<?php
/**
 * Downgraded for PHP 5.6 compatibility. Do not edit.
 * @noinspection ALL
 */
interface LocoArrayInterface extends ArrayAccess, Iterator, Countable, JsonSerializable { 
public function getArrayCopy(); }
class LocoHeaders extends ArrayIterator implements LocoArrayInterface { 
private  $map = []; 
public function __construct(array $raw = [] ){ if( $raw ){ $keys = array_keys( $raw ); $this->map = array_combine( array_map( 'strtolower', $keys ), $keys ); parent::__construct($raw); } } 
public function normalize(  $k ) { $k = strtolower($k); return array_key_exists($k,$this->map) ? $this->map[$k] : null; } 
public function add($key, $val ) { $this->offsetSet( $key, $val ); return $this; } 
public function __toString() { $pairs = []; foreach( $this as $key => $val ){ $pairs[] = $key.': '.$val; } return implode("\n", $pairs ); } 
public function trimmed(  $prop ) { return trim( $this->__get($prop) ); } 
public function has(  $key) { return array_key_exists( strtolower($key), $this->map ); } 
public function __get(  $key ){ return $this->offsetGet( $key ); } 
public function __set(  $key,  $val ) { $this->offsetSet( $key, $val ); } 
#[ReturnTypeWillChange]
public function offsetExists(  $key ) { return $this->has($key); } 
#[ReturnTypeWillChange]
public function offsetGet(  $key ) { $k = $this->normalize($key); if( is_null($k) ){ return ''; } return parent::offsetGet($k); } 
#[ReturnTypeWillChange]
public function offsetSet(  $key,  $value ) { $k = strtolower($key); if( isset($this->map[$k]) && $key !== $this->map[$k] ){ parent::offsetUnset( $this->map[$k] ); } $this->map[$k] = $key; parent::offsetSet( $key, $value ); } 
#[ReturnTypeWillChange]
public function offsetUnset(  $key ) { $k = strtolower($key); if( isset($this->map[$k]) ){ parent::offsetUnset( $this->map[$k] ); unset( $this->map[$k] ); } } 
#[ReturnTypeWillChange]
public function jsonSerialize() { return $this->getArrayCopy(); } }
function loco_normalize_charset(  $cs ) { if( preg_match('/^UTF-?8$/i',$cs) ){ return 'UTF-8'; } try { $aliases = @mb_encoding_aliases($cs); } catch( ValueError $e ){ $aliases = false; } if( false === $aliases ){ throw new InvalidArgumentException('Unsupported character encoding: '.$cs ); } if( preg_grep('/^ISO[-_]\\d+[-_]\\d+$/i',$aliases) ){ $cs = current($aliases); $cs = strtr( strtoupper($cs), '_', '-' ); } else if( in_array('US-ASCII',$aliases,true) ){ $cs = 'US-ASCII'; } return $cs; }
class LocoPoHeaders extends LocoHeaders { 
private  $cs = null; 
public function getCharset(){ $cs = $this->cs; if( is_null($cs) ){ $cs = ''; $raw = $this->offsetGet('content-type'); if( $raw && preg_match('!\\bcharset[= ]+([-\\w]+)!',$raw,$r) ){ try { $cs = loco_normalize_charset($r[1]); } catch( InvalidArgumentException $e ){ $cs = null; } catch( Exception $e ){ trigger_error( $e->getMessage(), E_USER_NOTICE ); $cs = null; } } $this->cs = $cs; } return $cs; } 
public function setCharset(  $to ){ $to = loco_normalize_charset($to); $from = $this->getCharset(); $this->cs = $to; $this['Content-Type'] = 'text/plain; charset='.$to; if( $from && $from !== $to ){ foreach( $this as $key => $val ){ $this[$key] = mb_convert_encoding($val,$to,$from); } } return $to; } 
public static function fromMsgstr(  $str ){ $headers = new LocoPoHeaders; $key = ''; foreach( preg_split('/[\\r\\n]+/',$str) as $line ){ $i = strpos($line,':'); if( is_int($i) ){ $key = trim( substr($line,0,$i), " \t" ); $headers->offsetSet( $key, ltrim( substr($line,++$i)," \t" ) ); } else if( '' !== $key ){ $headers->offsetSet( $key, $headers->offsetGet($key)."\n".$line ); } } $cs = $headers->getCharset(); if( $cs && 'UTF-8' !== $cs && 'UTF-8' !== mb_detect_encoding($str,['UTF-8',$cs],true) ){ foreach( $headers as $key => $val ){ $headers[$key] = mb_convert_encoding($val,'UTF-8',[$cs]); } } return $headers; } 
public static function fromSource(  $raw ){ $po = new LocoPoParser($raw); $po->parse(0); return $po->getHeader(); } }
function loco_convert_utf8(  $str,  $enc,  $strict ){ if( '' === $enc || 'UTF-8' === $enc || 'US-ASCII' === $enc ){ if( false === preg_match('//u',$str) ){ if( $strict ){ $e = new Loco_error_ParseException( $enc ? 'Invalid '.$enc.' encoding' : 'Unknown character encoding' ); if( preg_match('/^(?:[\\x00-\\x7F]|[\\xC0-\\xDF][\\x80-\\xBF]|[\\xE0-\\xEF][\\x80-\\xBF]{2}|[\\xF0-\\xFF][\\x80-\\xBF]{3})*/',$str,$r) && $str !== $r[0] ){ $e->setOffsetContext( strlen($r[0]), $str ); } throw $e; } $str = loco_fix_utf8($str); } } else if( 'ISO-8859-1' === $enc ) { $str = mb_convert_encoding( $str, 'UTF-8', 'cp1252' ); } else { $str = mb_convert_encoding( $str, 'UTF-8', $enc ); } return $str; }
function loco_fix_utf8(  $str ){ $fix = ''; while( is_string($str) && '' !== $str ){ if( preg_match('/^(?:[\\x00-\\x7F]|[\\xC0-\\xDF][\\x80-\\xBF]|[\\xE0-\\xEF][\\x80-\\xBF]{2}|[\\xF0-\\xFF][\\x80-\\xBF]{3})+/',$str,$r) ){ $fix .= $r[0]; $str = substr($str, strlen($r[0]) ); } else { $fix.= mb_convert_encoding( $str[0], 'UTF-8', 'cp1252' ); $str = substr($str,1); } } return loco_convert_utf8($fix,'',true); }
abstract class LocoGettextParser { 
private  $head = null; 
private  $cs = ''; 
abstract public function parse(  $limit = -1 ); 
protected function setHeader( LocoPoHeaders $head ){ $this->head = $head; $cs = $head->getCharset(); if( is_string($cs) && '' !== $cs ){ if( '' === $this->cs ){ $this->setCharset($cs); } } return $head; } 
public function getHeader(){ return $this->head; } 
protected function setCharset(  $cs ){ $this->cs = $cs; } 
protected function getCharset(){ return $this->cs; } 
protected function str(  $str ){ if( '' !== $str ){ $str = loco_convert_utf8($str,$this->cs,false); } return $str; } }
function loco_remove_bom(  $s, &$c ){ $bom = substr($s,0,2); if( "\xFF\xFE" === $bom ){ $c = 'UTF-16LE'; return substr($s,2); } if( "\xFE\xFF" === $bom ){ $c = 'UTF-16BE'; return substr($s,2); } if( "\xEF\xBB" === $bom && "\xBF" === $s[2] ){ $c = 'UTF-8'; return substr($s,3); } $c = ''; return $s; }
function loco_parse_reference_id(  $refs, &$_id ) { if( false === ( $n = strpos($refs,'loco:') ) ){ $_id = ''; return $refs; } $_id = substr($refs, $n+5, 24 ); $refs = substr_replace( $refs, '', $n, 29 ); return trim( $refs ); }
class LocoPoParser extends LocoGettextParser implements Iterator { 
private  $lines = []; 
private  $i; 
private  $k; 
private  $m; 
public function __construct(  $src ){ if( '' !== $src ){ $src = loco_remove_bom($src,$cs); if( $cs && 'UTF-8' !== $cs ){ $src = mb_convert_encoding( $src, 'UTF-8', $cs ); $cs = 'UTF-8'; } if( 'UTF-8' === $cs ){ $this->setCharset('UTF-8'); } $this->lines = preg_split('/(\\r\\n?|\\n)/', $src ); } } 
#[ReturnTypeWillChange]
public function rewind() { $this->i = -1; $this->k = -1; $this->next(); } 
#[ReturnTypeWillChange]
public function valid() { return is_int($this->i); } 
#[ReturnTypeWillChange]
public function key() { return $this->k; } 
#[ReturnTypeWillChange]
public function current() { return $this->m; } 
#[ReturnTypeWillChange]
public function next() { $valid = false; $entry = [ '#' => [], 'id' => [null], 'str' => [null] ]; $i = $this->i; while( array_key_exists(++$i,$this->lines) ){ $line = $this->lines[$i]; try { if( '' === $line ){ if( $valid ){ break; } continue; } $c = $line[0]; if( '#' === $c ){ if( $valid ){ $i--; break; } if( '#' === $line ){ continue; } $f = $line[1]; $entry['#'][$f][] = trim( substr( $line, 1+strlen($f) ), "/ \n\r\t" ); } else if( preg_match('/^msg(id(?:_plural)?|ctxt|str(?:\\[(\\d+)])?)[ \\t]*/', $line, $r ) ){ if( isset($r[2]) ){ $key = 'str'; $idx = (int) $r[2]; } else { $key = $r[1]; $idx = 0; } if( $valid && 'str' !== $key && null !== $entry['str'][0] ){ $i--; break; } $snip = strlen($r[0]); if( '"' !== substr($line,$snip,1) ){ throw new Exception('Expected " to follow msg'.$key); } $val = ''; $line = substr($line,$snip); while( true ){ if( '"' === $line || ! substr($line,-1) == '"' ){ throw new Exception('Unterminated msg'.$key ); } $val .= substr( $line, 1, -1 ); $j = $i + 1; if( array_key_exists($j,$this->lines) && ( $line = $this->lines[$j] ) && '"' === $line[0] ){ $i = $j; } else { break; } } if( ! $valid ){ $valid = true; } if( 'id_plural' === $key ){ $key = 'id'; $idx = 1; } $entry[$key][$idx] = stripcslashes($val); } else if( preg_match('/^[ \\t]+$/',$line) ){ if( $valid ) { break; } } else if( '"' === $c ){ throw new Exception('String encountered without keyword'); } else { throw new Exception('Junk'); } } catch( Exception $e ){ } } if( $valid ){ ++$this->k; $this->i = $i; $this->m = $entry; } else { $this->i = null; $this->k = null; $this->m = null; } } 
public function parse(  $limit = -1 ) { $this->rewind(); if( ! $this->valid() ){ throw new Loco_error_ParseException('Invalid PO file'); } $entry = $this->current(); if( '' !== $entry['id'][0] || isset($entry['ctxt']) || is_null($entry['str'][0]) ){ $head = $this->setHeader( new LocoPoHeaders ); } else { $head = $this->setHeader( LocoPoHeaders::fromMsgstr($entry['str'][0]) ); } if( 0 === $limit ){ return []; } $i = -1; $assets = []; $lk = $head['X-Loco-Lookup']; while( $this->valid() ){ $entry = $this->current(); $msgid = $entry['id'][0]; if( is_null($msgid) ){ $this->next(); continue; } if( ++$i === $limit ){ return $assets; } $asset = [ 'source' => $this->str( $msgid ), 'target' => $this->str( (string) $entry['str'][0] ), 'context' => null, ]; $prev_entry = null; if( isset($entry['ctxt']) ){ $asset['context'] = $this->str( $entry['ctxt'][0] ); } $cmt = $entry['#']; if( isset($cmt[' ']) ){ $asset['comment'] = $this->str( implode("\n", $cmt[' '] ) ); } if( isset($cmt['.']) ){ $asset['notes'] = $this->str( implode("\n", $cmt['.'] ) ); } if( isset($cmt[':']) ){ if( $refs = implode( ' ', $cmt[':'] ) ) { $refs = $this->str($refs); if( $refs = loco_parse_reference_id( $refs, $_id ) ){ $asset['refs'] = $refs; } if( $_id ){ $asset['_id'] = $_id; } } } if( isset($cmt[',']) ){ foreach( $cmt[','] as $flags ){ foreach( explode(',',$flags) as $flag ){ if( $flag = trim($flag," \t") ){ if( preg_match('/^((?:no-)?\w+)-format/', $flag, $r ) ){ $asset['format'] = $r[1]; } else if( 'fuzzy' === $flag ){ $asset['flag'] = 4; } } } } } if( isset($cmt['|']) ){ $p = new LocoPoParser(''); $p->lines = $cmt['|']; $p->setCharset( $this->getCharset() ); try { $prev_entry = $p->parse(); } catch( Loco_error_ParseException $e ){ } if( $prev_entry ){ $msgid = $prev_entry[0]['source']; if( $lk && 'text' !== $lk ){ $asset[$lk] = $asset['source']; $asset['source'] = $msgid; } else if( substr($msgid,0,1) == 'loco:' ){ $asset['_id'] = substr($msgid,5); } else { $asset['prev'] = $prev_entry; $prev_entry = null; } } } $assets[] = $asset; if( isset($entry['id'][1]) ){ $idx = 0; $pidx = count($assets) - 1; $num = max( 2, count($entry['str']) ); while( ++$idx < $num ){ $plural = [ 'source' => '', 'target' => isset($entry['str'][$idx]) ? $this->str($entry['str'][$idx]) : '', 'plural' => $idx, 'parent' => $pidx, ]; if( 1 === $idx ){ $plural['source'] = $this->str($entry['id'][1]); if( is_array($prev_entry) && isset($prev_entry[1]) ){ if( $lk && 'text' !== $lk ){ $plural[$lk] = $plural['source']; $plural['source'] = $prev_entry[1]['source']; } } } if( isset($asset['flag']) ){ $plural['flag'] = $asset['flag']; } $assets[] = $plural; } } $this->next(); } if( -1 === $i ){ throw new Loco_error_ParseException('Invalid PO file'); } else if( 0 === $i && '' === $assets[0]['source'] && '' === $assets[0]['target'] ){ throw new Loco_error_ParseException('Invalid PO file' ); } return $assets; } }
class LocoMoParser extends LocoGettextParser { 
private $bin; 
private $be; 
private $n; 
private $o; 
private $t; 
private $v; 
public function __construct(  $bin ){ $this->bin = $bin; } 
public function getAt(  $idx ){ $offset = $this->targetOffset(); $offset += ( $idx * 8 ); $len = $this->integerAt( $offset ); $idx = $this->integerAt( $offset + 4 ); $txt = $this->bytes( $idx, $len ); if( false === strpos( $txt, "\0") ){ return $txt; } return explode( "\0", $txt ); } 
public function parse(  $limit = -1 ){ $i = -1; $r = []; $sourceOffset = $this->sourceOffset(); $targetOffset = $this->targetOffset(); $soffset = $sourceOffset; $toffset = $targetOffset; while( $soffset < $targetOffset ){ $len = $this->integerAt( $soffset ); $idx = $this->integerAt( $soffset + 4 ); $src = $this->bytes( $idx, $len ); $eot = strpos( $src, "\x04" ); if( false === $eot ){ $context = null; } else { $context = $this->str( substr($src, 0, $eot ) ); $src = substr( $src, $eot+1 ); } $sources = explode( "\0", $src, 2 ); $len = $this->integerAt( $toffset ); $idx = $this->integerAt( $toffset + 4 ); $targets = explode( "\0", $this->bytes( $idx, $len ) ); if( -1 === $i && '' === $sources[0] && is_null($context) ){ $this->setHeader( LocoPoHeaders::fromMsgstr($targets[0]) ); } if( ++$i === $limit ){ break; } $r[$i] = [ 'source' => $this->str( $sources[0] ), 'target' => $this->str( $targets[0] ), 'context' => $context, ]; if( isset($sources[1]) ){ $p = count($r) - 1; $nforms = max( 2, count($targets) ); for( $i = 1; $i < $nforms; $i++ ){ $r[] = [ 'source' => isset($sources[$i]) ? $this->str( $sources[$i] ) : sprintf('%s (plural %u)',$r[$p]['source'],$i), 'target' => isset($targets[$i]) ? $this->str( $targets[$i] ) : '', 'parent' => $p, 'plural' => $i, ]; } } $soffset += 8; $toffset += 8; } return $r; } 
public function isBigendian(){ if( is_null($this->be) ){ $str = $this->words( 0, 1 ); if( "\xDE\x12\x04\x95" === $str ){ $this->be = false; } else if( "\x95\x04\x12\xDE" === $str ){ $this->be = true; } else { throw new Loco_error_ParseException('Invalid MO format'); } } return $this->be; } 
public function version(){ if( is_null($this->v) ){ $this->v = $this->integerWord(1); } return $this->v; } 
#[ReturnTypeWillChange]
public function count(){ if( is_null($this->n) ){ $this->n = $this->integerWord(2); } return $this->n; } 
public function sourceOffset(){ if( is_null($this->o) ){ $this->o = $this->integerWord(3); } return $this->o; } 
public function targetOffset(){ if( is_null($this->t) ){ $this->t = $this->integerWord(4); } return $this->t; } 
public function getHashTable(){ $s = $this->integerWord(5); $h = $this->integerWord(6); return $this->bytes( $h, $s * 4 ); } 
private function bytes( $offset, $length ){ $s = substr( $this->bin, $offset, $length ); if( strlen($s) !== $length ){ throw new Loco_error_ParseException('Failed to read '.$length.' bytes at ['.$offset.']' ); } return $s; } 
private function words( $offset, $length ){ return $this->bytes( $offset * 4, $length * 4 ); } 
private function integerWord( $offset ){ return $this->integerAt( $offset * 4 ); } 
private function integerAt( $offset ){ $str = $this->bytes( $offset, 4 ); $fmt = $this->isBigendian() ? 'N' : 'V'; $arr = unpack( $fmt, $str ); if( ! isset($arr[1]) || ! is_int($arr[1]) ){ throw new Loco_error_ParseException('Failed to read integer at byte '.$offset); } return $arr[1]; } }
abstract class LocoPo { 
public static function pair(  $key,  $text,  $width = 79,  $eol = "\n",  $esc = '\\n' ) { if( '' === $text ){ return $key.' ""'; } $text = addcslashes( $text, "\t\x0B\x0C\x07\x08\\\"" ); if( $esc ) { $text = preg_replace('/\\r\\n?|\\n/', $esc.$eol, $text, -1, $nbr ); } else { $eol = "\n"; $text = preg_replace_callback('/\\r\\n?|\\n/',[__CLASS__,'replace_br'], $text, -1, $nbr ); } if( $nbr ){ } else if( $width && $width < mb_strlen($text,'UTF-8') + strlen($key) + 3 ){ } else { return $key.' "'.$text.'"'; } $lines = [ $key.' "' ]; if( $width ){ $width -= 2; $a = '/^.{0,'.($width-1).'}[-– .,:;?!)\\]}>]/u'; $b = '/^[^-– .,:;?!)\\]}>]+/u'; foreach( explode($eol,$text) as $unwrapped ){ $length = mb_strlen( $unwrapped, 'UTF-8' ); while( $length > $width ){ if( preg_match( $a, $unwrapped, $r ) ){ $line = $r[0]; } else if( preg_match( $b, $unwrapped, $r ) ){ $line = $r[0]; } else { throw new Exception('Wrapping error'); } $lines[] = $line; $trunc = mb_strlen($line,'UTF-8'); $length -= $trunc; $unwrapped = (string) substr( $unwrapped, strlen($line) ); if( ( '' === $unwrapped && 0 !== $length ) || ( 0 === $length && '' !== $unwrapped ) ){ throw new Exception('Truncation error'); } } if( 0 !== $length ){ $lines[] = $unwrapped; } } } else { foreach( explode($eol,$text) as $unwrapped ){ $lines[] = $unwrapped; } } return implode('"'.$eol.'"',$lines).'"'; } 
private static function replace_br( array $r ) { return addcslashes($r[0],"\r\n")."\n"; } 
public static function refs(  $text,  $width = 76,  $eol = "\n" ) { $text = preg_replace('/\\s+/u', ' ', $text ); if( $width ){ $text = wordwrap( $text, $width, $eol.'#: ' ); } return '#: '.$text; } 
public static function prefix(  $text,  $prefix,  $eol = "\n" ) { return $prefix . implode($eol.$prefix, self::split($text) ); } 
public static function split(  $text ) { $lines = preg_split('/\\R/u', $text ); if( false === $lines ){ if( false === preg_match('//u',$text) ){ $text = mb_convert_encoding( $text, 'UTF-8', 'cp1252' ); } $lines = preg_split('/\\r?\\n+/', $text ); } return $lines; } 
public static function trim(  $text ) { $lines = []; $deferred = null; foreach( explode("\n",$text) as $line ){ if( '' === $line ){ continue; } if( preg_match('/^msg[a-z]+(?:\\[\\d+])? ""/',$line) ){ $deferred = $line; continue; } if( $deferred && '"' === $line[0] ){ $lines[] = $deferred; $deferred = null; } $lines[] = $line; } return implode("\n",$lines); } }
class LocoPoIndex extends ArrayIterator { 
public function compare( LocoPoMessage $a, LocoPoMessage $b ){ $h = $a->getHash(); if( ! isset($this[$h]) ){ return 1; } $j = $b->getHash(); if( ! isset($this[$j]) ){ return -1; } return $this[$h] > $this[$j] ? 1 : -1; } }
class LocoPoMessage extends ArrayObject { 
public function __construct( array $r ){ $r['key'] = $r['source']; parent::__construct($r); } 
public function __get(  $prop ) { return $this->offsetExists($prop) ? $this->offsetGet($prop) : null; } 
private function getPoFlags() { $flags = []; $plurals = $this->__get('plurals'); if( 4 === $this->__get('flag') ){ $flags[] = 'fuzzy'; } else if( $plurals ){ foreach( $plurals as $child ){ if( 4 === $child->__get('flag') ){ $flags[] = 'fuzzy'; break; } } } if( $f = $this->__get('format') ){ $flags[] = $f.'-format'; } else if( isset($plurals[0]) && ( $f = $plurals[0]->format ) ){ $flags[] = $f.'-format'; } return $flags; } 
public function getHash() { $hash = $this->getKey(); if( $this->offsetExists('plurals') ){ foreach( $this->offsetGet('plurals') as $p ){ $hash .= "\0".$p->getHash(); break; } } return $hash; } 
public function getKey() { $msgid = (string) $this['source']; $msgctxt = (string) $this->__get('context'); if( '' !== $msgctxt ){ if( '' === $msgid ){ $msgid = '('.$msgctxt.')'; } $msgid = $msgctxt."\4".$msgid; } return $msgid; } 
public function exportSerial() { $a = [ $this['target'] ]; if( $this->offsetExists('plurals') ){ $plurals = $this->offsetGet('plurals'); if( is_array($plurals) ){ foreach( $plurals as $p ){ $a[] = $p['target']; } } } return $a; } 
public function __toString(){ return $this->render( 79, 76 ); } 
public function render(  $width,  $ref_width,  $max_forms = 0 ) { $s = []; try { if( $text = $this->__get('comment') ) { $s[] = LocoPo::prefix( $text, '# '); } if( $text = $this->__get('notes') ) { $s[] = LocoPo::prefix( $text, '#. '); } if( $text = $this->__get('refs') ){ $s[] = LocoPo::refs( $text, $ref_width ); } if( $texts = $this->getPoFlags() ){ $s[] = '#, '.implode(', ',$texts); } $prev = $this->__get('prev'); if( is_array($prev) && $prev ){ foreach( new LocoPoIterator($prev) as $p ){ $text = $p->render( max(0,$width-3), 0 ); $s[] = LocoPo::prefix( LocoPo::trim($text),'#| '); break; } } $text = $this->__get('context'); if( is_string($text) && '' !== $text ){ $s[] = LocoPo::pair('msgctxt', $text, $width ); } $s[] = LocoPo::pair( 'msgid', $this['source'], $width ); $target = $this['target']; $plurals = $this->__get('plurals'); if( is_array($plurals) ){ if( array_key_exists(0,$plurals) ){ $p = $plurals[0]; $s[] = LocoPo::pair('msgid_plural', $p['source'], $width ); $s[] = LocoPo::pair('msgstr[0]', $target, $width ); $i = 0; while( array_key_exists($i,$plurals) ){ $p = $plurals[$i]; if( ++$i === $max_forms ){ break; } $s[] = LocoPo::pair('msgstr['.$i.']', $p['target'], $width ); } } else if( isset($this['plural_key']) ){ $s[] = LocoPo::pair('msgid_plural', $this['plural_key'], $width ); $s[] = LocoPo::pair('msgstr[0]', $target, $width ); } else { trigger_error('Missing plural_key in zero plural export'); $s[] = LocoPo::pair('msgstr', $target, $width ); } } else { $s[] = LocoPo::pair('msgstr', $target, $width ); } } catch( Exception $e ){ trigger_error( $e->getMessage(), E_USER_WARNING ); } return implode("\n",$s)."\n"; } 
public function merge( LocoPoMessage $def,  $translate = false ) { if( $def->getHash() !== $this->getHash() ){ $prev = [ 'source' => '', 'target' => '' ]; $prev = $this->diff('source',$def,$prev); $prev = $this->diff('context',$def,$prev); $this['flag'] = 4; $this['prev'] = [ $prev ]; $defPlural = $def->getPlural(0); $ourPlural = $this->getPlural(0); if( $defPlural && $ourPlural ) { $ourPlural->merge($defPlural); if( $ourPlural->offsetExists('prev') ) { $this['prev'][] = $ourPlural->prev[0]+['parent'=>0,'plural'=>1]; $ourPlural->offsetUnset('prev'); } } else if( $defPlural ){ $this['plurals'] = [ clone $defPlural ]; } else if( $ourPlural ){ $this['prev'][] = $ourPlural->exportBasic() + ['parent'=>0,'plural'=>1]; $this->offsetUnset('plurals'); } } foreach( ['notes','refs','format'] as $f ){ if( $def->offsetExists($f) ){ $this->offsetSet($f,$def->offsetGet($f)); } else if( $this->offsetExists($f) ){ $this->offsetUnset($f); } } if( $translate && '' === $this['target'] && '' !== $def['target'] ){ $this['target'] = $def['target']; if( $def->offsetExists('comment') ) { $this['comment'] = $def['comment']; } if( $this->offsetExists('plurals') ){ foreach( $this['plurals'] as $i => $ourPlural ){ if( '' === $ourPlural['target'] ){ $defPlural = $def->getPlural($i); if( $defPlural ){ $ourPlural['target'] = $defPlural['target']; } } } } } } 
private function diff(  $key, LocoPoMessage $def, array $prev ) { $old = $this->__get($key); $new = $def->__get($key); if( $new !== $old ){ $this->offsetSet($key,$new); if( is_string($old) && '' !== $old ){ $prev[$key] = $old; } } return $prev; } 
private function getPlural(  $i ) { if( $this->offsetExists('plurals') ){ $plurals = $this->offsetGet('plurals'); if( is_array($plurals) && array_key_exists($i,$plurals) ){ return $plurals[$i]; } } return null; } 
private function exportBasic() { return [ 'source' => $this['source'], 'context' => $this->context, 'target' => '', ]; } 
public function export() { $a = $this->getArrayCopy(); unset($a['key']); if( array_key_exists('plurals',$a) ){ foreach( $a['plurals'] as $i => $p ){ if( $p instanceof ArrayObject ){ $a['plurals'][$i] = $p->getArrayCopy(); } } } return $a; } 
public function strip() { $this['target'] = ''; $plurals = $this->plurals; if( is_array($plurals) ){ foreach( $plurals as $p ){ $p->strip(); } } return $this; } 
public function translated() { $n = 0; if( '' !== (string) $this['target'] ){ $n++; } if( $this->offsetExists('plurals') ){ foreach( $this->offsetGet('plurals') as $plural ) { if( '' !== (string) $plural['target']) { $n++; } } } return $n; } }
class LocoPoIterator implements Iterator, Countable { 
private  $po; 
private  $headers = null; 
private  $i; 
private  $t; 
private  $j; 
private  $z = 0; 
private  $w = 79; 
public function __construct(  $po ){ if( is_array($po) ){ $this->po = $po; } else if( $po instanceof Traversable ){ $this->po = iterator_to_array($po,false); } else { throw new InvalidArgumentException('PO data must be array or iterator'); } $this->t = count( $this->po ); if( 0 === $this->t ){ throw new InvalidArgumentException('Empty PO data'); } $h = $po[0]; if( '' !== $h['source'] || ( isset($h['context']) && '' !== $h['context'] ) || ( isset($po[1]['parent']) && 0 === $po[1]['parent'] ) ){ $this->z = -1; } } 
public function push( LocoPoMessage $p ) { $raw = $p->export(); $plurals = $p->plurals; unset($raw['plurals']); $i = count($this->po); $this->po[$i] = $raw; $this->t++; if( is_array($plurals) ) { $j = 0; foreach( $plurals as $p ) { $raw = $p->export(); $raw['parent'] = $i; $raw['plural'] = ++$j; $this->po[] = $raw; $this->t++; } } } 
public function concat( LocoPoIterator $more ) { foreach( $more as $message ){ $this->push($message); } return $this; } 
public function __clone() { if( $this->headers ){ $this->headers = new LocoPoHeaders( $this->headers->getArrayCopy() ); } } 
#[ReturnTypeWillChange]
public function count() { return $this->t - ( $this->z + 1 ); } 
public function wrap(  $width ) { if( $width > 0 ){ $this->w = max( 15, $width ); } else { $this->w = 0; } return $this; } 
#[ReturnTypeWillChange]
public function rewind() { $this->i = $this->z; $this->j = -1; $this->next(); } 
#[ReturnTypeWillChange]
public function key() { return $this->j; } 
#[ReturnTypeWillChange]
public function valid() { return is_int($this->i); } 
#[ReturnTypeWillChange]
public function next() { $i = $this->i; while( ++$i < $this->t ){ if( array_key_exists('parent',$this->po[$i]) ){ continue; } $this->j++; $this->i = $i; return; } $this->i = null; $this->j = null; } 
#[ReturnTypeWillChange]
public function current() { return $this->item( $this->i ); } 
private function item(  $i ) { $po = $this->po; $parent = new LocoPoMessage( $po[$i] ); $plurals = []; $nonseq = $parent->offsetExists('child'); $j = $nonseq ? $parent['child'] : $i+1; while( isset($po[$j]['parent']) && $i === $po[$j]['parent'] ){ $plurals[] = new LocoPoMessage($po[$j++]); } if( $plurals ){ $parent['plurals'] = $plurals; } return $parent; } 
public function exportEntry(  $i ) { return $this->item( $i + ( 1-$this->z) ); } 
public function getArrayCopy() { $po = $this->po; if( 0 === $this->z ){ $po[0]['target'] = (string) $this->getHeaders(); } return $po; } 
public function clear() { if( 0 === $this->z ){ $this->po = [ $this->po[0] ]; $this->t = 1; } else { $this->po = []; $this->t = 0; } } 
public function getHeaders() { if( is_null($this->headers) ){ $header = $this->po[0]; if( 0 === $this->z ){ $this->headers = LocoPoHeaders::fromMsgstr( $header['target'] ); } else { $this->headers = new LocoPoHeaders; } } return $this->headers; } 
public function setHeaders( LocoPoHeaders $head ) { $this->headers = $head; if( 0 === $this->z ){ $this->po[0]['target'] = null; } return $this; } 
public function initPo() { if( 0 === $this->z ){ unset( $this->po[0]['flag'] ); } return $this; } 
public function initPot() { if( 0 === $this->z ){ $this->po[0]['flag'] = 4; } return $this; } 
public function strip() { $po = $this->po; $i = count($po); $z = $this->z; while( --$i > $z ){ $po[$i]['target'] = ''; } $this->po = $po; return $this; } 
public function __toString() { try { return $this->render(); } catch( Exception $e ){ trigger_error( $e->getMessage(), E_USER_WARNING ); return ''; } } 
public function render( callable $sorter = null ) { $width = $this->w; $ref_width = max( 0, $width - 3 ); $h = $this->exportHeader(); $msg = new LocoPoMessage( $h ); $s = $msg->render( $width, $ref_width ); if( $sorter ){ $msgs = []; foreach( $this as $msg ){ $msgs[] = $msg; } usort( $msgs, $sorter ); } else { $msgs = $this; } $h = $this->getHeaders()->offsetGet('Plural-Forms'); if( is_string($h) && preg_match('/nplurals\\s*=\\s*(\\d)/',$h,$r) ){ $max_pl = (int) $r[1]; } else { $max_pl = 0; } foreach( $msgs as $msg ){ $s .= "\n".$msg->render( $width, $ref_width, $max_pl ); } return $s; } 
public function exportJed() { $head = $this->getHeaders(); $a = [ '' => [ 'domain' => $head['domain'], 'lang' => $head['language'], 'plural-forms' => $head['plural-forms'], ] ]; foreach( $this as $message ){ if( $message->translated() ){ $a[ $message->getKey() ] = $message->exportSerial(); } } return $a; } 
private function exportHeader() { if( 0 === $this->z ){ $h = $this->po[0]; } else { $h = [ 'source' => '', 'target' => '' ]; } if( $this->headers ){ $h['target'] = (string) $this->headers; } return $h; } 
public function exportRefs(  $grep = '' ) { $a = []; if( '' === $grep ) { $grep = '/(\\S+):\\d+/'; } else { $grep = '/(\\S*'.$grep.'):\\d+/'; } $self = get_class($this); $base = [ $this->exportHeader() ]; foreach( $this as $message ){ if( preg_match_all( $grep, (string) $message->refs, $r ) ){ foreach( $r[1] as $ref ) { if( array_key_exists($ref,$a) ){ $po = $a[$ref]; } else { $po = new $self($base); $a[$ref] = $po; } $po->push($message); } } } return $a; } 
public function splitRefs( array $map = null ) { $a = []; $self = get_class($this); $base = [ $this->exportHeader() ]; if( is_array($map) ){ $grep = implode('|',array_keys($map)); } else { $grep = '[a-z]+'; } foreach( $this as $message ){ $refs = ltrim( (string) $message->refs ); if( '' !== $refs ){ if( preg_match_all('/\\S+\\.('.$grep.'):\\d+/', $refs, $r, PREG_SET_ORDER ) ){ $tmp = []; foreach( $r as $rr ) { list( $ref, $ext ) = $rr; $tmp[$ext][$ref] = true; } foreach( $tmp as $ext => $refs ){ if( is_array($map) ){ $ext = $map[$ext]; } if( array_key_exists($ext,$a) ){ $po = $a[$ext]; } else { $po = new $self($base); $a[$ext] = $po; } $message = clone $message; $message['refs'] = implode(' ',array_keys($refs) ); $po->push($message); } } } } return $a; } 
public function getHashes() { $a = []; foreach( $this as $msg ){ $a[] = $msg->getHash(); } sort( $a, SORT_STRING ); return $a; } 
public function equalSource( LocoPoIterator $that ) { $a = $this->getHashes(); $b = $that->getHashes(); if( count($a) !== count($b) ){ return false; } foreach( $a as $i => $hash ){ if( $hash !== $b[$i] ){ return false; } } return true; } 
public function equal( LocoPoIterator $that ) { if( $this->t !== $that->t ){ return false; } $i = $this->z; $fields = [ 'source', 'context', 'notes', 'refs', 'target', 'comment', 'flag', 'parent', 'plural' ]; while( ++$i < $this->t ){ $a = $this->po[$i]; $b = $that->po[$i]; foreach( $fields as $f ){ $af = isset($a[$f]) ? $a[$f] : ''; $bf = isset($b[$f]) ? $b[$f] : ''; if( $af !== $bf ){ return false; } } } return true; } 
public function sort( callable $func = null ) { $order = []; foreach( $this as $msg ){ $order[] = $msg; } usort( $order, $func ?: [__CLASS__,'compare'] ); $this->clear(); foreach( $order as $p ){ $this->push($p); } return $this; } 
public static function compare( LocoPoMessage $a, LocoPoMessage $b ) { $h = $a->getHash(); $j = $b->getHash(); $n = strcasecmp( $h, $j ); if( 0 === $n ){ $n = strcmp( $h, $j ); if( 0 === $n ){ return 0; } } return $n > 0 ? 1 : -1; } 
public function createSorter() { $index = []; foreach( $this as $i => $msg ){ $index[ $msg->getHash() ] = $i; } $obj = new LocoPoIndex( $index ); return [ $obj, 'compare' ]; } }
class LocoMoTable { 
private  $size = 0; 
private  $bin = ''; 
private  $map = null; 
public function __construct(  $data = '' ){ if( is_array($data) ){ $this->compile( $data ); } else if( '' !== $data ){ $this->parse( $data ); } } 
#[ReturnTypeWillChange]
public function count() { if( is_null($this->size) ){ if( $this->bin ){ $this->size = (int) ( strlen( $this->bin ) / 4 ); } else if( is_array($this->map) ){ $this->size = count($this->map); } else { return 0; } if( ! self::is_prime($this->size) || $this->size < 3 ){ throw new Exception('Size expected to be prime number above 2, got '.$this->size); } } return $this->size; } 
public function bytes() { return $this->count() * 4; } 
public function __toString() { return $this->bin; } 
public function export() { if( is_null($this->map) ){ $this->parse($this->bin); } return $this->map; } 
private function reset(  $length ) { $this->size = max( 3, self::next_prime( $length * 4 / 3 ) ); $this->bin = ''; $this->map = []; return $this->size; } 
public function compile( array $msgids ) { $hash_tab_size = $this->reset( count($msgids) ); $packed = array_fill( 0, $hash_tab_size, "\0\0\0\0" ); $j = 0; foreach( $msgids as $msgid ){ $hash_val = self::hashpjw( $msgid ); $idx = $hash_val % $hash_tab_size; if( array_key_exists($idx, $this->map) ){ $incr = 1 + ( $hash_val % ( $hash_tab_size - 2 ) ); do { $idx += $incr; if( $hash_val === $idx ){ throw new Exception('Unable to find empty slot in hash table'); } $idx %= $hash_tab_size; } while( array_key_exists($idx, $this->map ) ); } $this->map[$idx] = $j; $packed[$idx] = pack('V', ++$j ); } $this->bin = implode('',$packed); } 
public function lookup(  $msgid, array $msgids ) { $hash_val = self::hashpjw( $msgid ); $idx = $hash_val % $this->size; $incr = 1 + ( $hash_val % ( $this->size - 2 ) ); while( true ){ if( ! array_key_exists($idx, $this->map) ){ break; } $j = $this->map[$idx]; if( isset($msgids[$j]) && $msgid === $msgids[$j] ){ return $j; } $idx += $incr; if( $idx === $hash_val ){ break; } $idx %= $this->size; } return -1; } 
private function parse(  $bin ) { $this->bin = $bin; $this->size = null; $hash_tab_size = $this->count(); $this->map = []; $idx = -1; $byte = 0; while( ++$idx < $hash_tab_size ){ $word = substr( $this->bin, $byte, 4 ); if( "\0\0\0\0" !== $word ){ list(,$j) = unpack('V', $word ); $this->map[$idx] = $j - 1; } $byte += 4; } } 
public static function hashpjw(  $str ) { $i = -1; $hval = 0; $len = strlen($str); while( ++$i < $len ){ $ord = ord( substr($str,$i,1) ); $hval = ( $hval << 4 ) + $ord; $g = $hval & 0xf0000000; if( $g !== 0 ){ $hval ^= $g >> 24; $hval ^= $g; } } return $hval; } 
private static function next_prime(  $seed ) { $seed = (int) floor($seed); $seed |= 1; while ( ! self::is_prime($seed) ){ $seed += 2; } return $seed; } 
private static function is_prime(  $num ) { if( 1 === $num ){ return false; } if( 2 === $num ){ return true; } if( $num % 2 == 0 ) { return false; } for( $i = 3; $i <= ceil(sqrt($num)); $i = $i + 2) { if($num % $i == 0 ){ return false; } } return true; } }
class LocoMo { 
private  $bin; 
private  $msgs; 
private  $head; 
private  $hash = null; 
private  $use_fuzzy = false; 
private  $cs = null; 
public function __construct( Iterator $export, LocoPoHeaders $head = null ){ if( $head ){ $this->head = $head; } else { $this->head = new LocoPoHeaders; $this->setHeader('Project-Id-Version','Loco'); } $this->msgs = $export; $this->bin = ''; } 
public function setCharset(  $cs ) { $cs = $this->head->setCharset($cs); $this->cs = 'UTF-8' === $cs ? null : $cs; } 
public function enableHash() { $this->hash = new LocoMoTable; } 
public function useFuzzy() { $this->use_fuzzy = true; } 
public function setHeader(  $key,  $val ) { $this->head->add($key,$val); return $this; } 
private function str(  $s ) { if( $cs = $this->cs ){ $s = mb_convert_encoding($s,$cs,['UTF-8']); } return $s; } 
public function compile() { $table = ['']; $sources = ['']; $targets = [ (string) $this->head ]; $fuzzy_flag = 4; $skip_fuzzy = ! $this->use_fuzzy; if( $this->head->has('Plural-Forms') && preg_match('/^nplurals=(\\d)/',$this->head->trimmed('Plural-Forms'), $r) ){ $nplurals = (int) $r[1]; $maxplural = max( 0, $nplurals-1 ); } else { $maxplural = 1; } foreach( $this->msgs as $r ){ if( $skip_fuzzy && isset($r['flag']) && $fuzzy_flag === $r['flag'] ){ continue; } $msgid = $this->str( $r['key'] ); if( isset($r['context']) ){ $msgctxt = $this->str( $r['context'] ); if( '' !== $msgctxt ){ if( '' === $msgid ){ $msgid = '('.$msgctxt.')'; } $msgid = $msgctxt."\x04".$msgid; } } if( '' === $msgid ){ continue; } $msgstr = $this->str( $r['target'] ); if( '' === $msgstr ){ continue; } $table[] = $msgid; if( isset($r['plurals']) ){ if( $r['plurals'] ){ $i = 0; foreach( $r['plurals'] as $i => $p ){ if( $i === 0 ){ $msgid .= "\0".$this->str($p['key']); } $msgstr .= "\0".$this->str($p['target']); } while( $maxplural > ++$i ){ $msgstr .= "\0"; } } else if( isset($r['plural_key']) ){ $msgid .= "\0".$this->str($r['plural_key']); } } $sources[] = $msgid; $targets[] = $msgstr; } asort( $sources, SORT_STRING ); $this->bin = "\xDE\x12\x04\x95\x00\x00\x00\x00"; $n = count($sources); $this->writeInteger( $n ); $offset = 28; $this->writeInteger( $offset ); $offset += $n * 8; $this->writeInteger( $offset ); if( $this->hash ){ sort( $table, SORT_STRING ); $this->hash->compile( $table ); $s = $this->hash->count(); } else { $s = 0; } $this->writeInteger( $s ); $offset += $n * 8; $this->writeInteger( $offset ); if( $s ){ $offset += $s * 4; } $source = ''; foreach( $sources as $str ){ $source .= $str."\0"; $this->writeInteger( $strlen = strlen($str) ); $this->writeInteger( $offset ); $offset += $strlen + 1; } $target = ''; foreach( array_keys($sources) as $i ){ $str = $targets[$i]; $target .= $str."\0"; $this->writeInteger( $strlen = strlen($str) ); $this->writeInteger( $offset ); $offset += $strlen + 1; } if( $this->hash ){ $this->bin .= $this->hash->__toString(); } $this->bin .= $source; $this->bin .= $target; return $this->bin; } 
private function writeInteger(  $num ) { $this->bin .= pack( 'V', $num ); } }
interface LocoTokensInterface extends Iterator { 
public function advance(); 
public function ignore( array $a ); }
class LocoTokenizer implements LocoTokensInterface { const T_LITERAL = 0; const T_UNKNOWN = -1; 
private  $src; 
private  $pos; 
private  $line; 
private  $col; 
private  $max; 
private  $rules = []; 
private  $skip = []; 
private  $tok; 
private  $len; 
public function __construct(  $src = '' ){ $this->init($src); } 
public function parse(  $src ) { $tokens = []; $this->init($src); while( $tok = $this->advance() ){ $tokens[] = $tok; } return $tokens; } 
public function init(  $src ) { $this->src = $src; $this->rewind(); return $this; } 
public function define(  $grep,  $t = 0 ) { if('^' !== $grep[1] ){ throw new InvalidArgumentException('Expression '.$grep.' isn\'t anchored'); } if( ! is_int($t) && ! is_callable($t) ){ throw new InvalidArgumentException('Non-integer token must be valid callback'); } $sniff = $grep[2]; if( $sniff === preg_quote($sniff,$grep[0]) ){ $this->rules[$sniff][] = [ $grep, $t ]; } else { $this->rules[''][] = [ $grep, $t ]; } return $this; } 
public function ignore( array $a ) { foreach( $a as $t ){ $this->skip[$t] = true; } return $this; } 
#[ReturnTypeWillChange]
public function current() { return $this->tok; } 
public function advance() { $tok = $this->current(); $this->next(); return $tok; } 
#[ReturnTypeWillChange]
public function next() { $tok = null; $offset = $this->pos; $column = $this->col; $line = $this->line; while( $offset <= $this->max ){ $t = null; $s = ''; $text = substr($this->src,$offset); foreach( [$text[0],''] as $k ){ if( isset($this->rules[$k]) ) { foreach( $this->rules[$k] as $rule) { if( preg_match($rule[0], $text, $match ) ) { $s = $match[0]; $t = $rule[1]; if( ! is_int($t) ) { $t = call_user_func( $t, $s, $match ); } break 2; } } } } if( is_null($t) ){ $n = preg_match('/^./u',$text,$match); if( false === $n ){ $s = $text[0]; $match = [ mb_convert_encoding($s,'UTF-8','cp1252') ]; } $s = (string) $match[0]; $t = self::T_UNKNOWN; } $length = strlen($s); if( 0 === $length ){ throw new Loco_error_ParseException('Failed to match anything'); } $offset += $length; $lines = preg_split('/\\r?\\n/',$s); $nlines = count($lines); if( $nlines > 1 ){ $next_line = $line + ( $nlines - 1 ); $next_column = strlen( end($lines) ); } else { $next_line = $line; $next_column = $column + $length; } if( array_key_exists($t,$this->skip) ){ $line = $next_line; $column = $next_column; continue; } $tok = self::T_LITERAL === $t ? $s : [ $t, $s, $line, $column ]; $line = $next_line; $column = $next_column; $this->len++; break; } $this->tok = $tok; $this->pos = $offset; $this->col = $column; $this->line = $line; } 
#[ReturnTypeWillChange]
public function key() { return $this->len ? $this->len-1 : null; } 
#[ReturnTypeWillChange]
public function valid() { return null !== $this->tok; } 
#[ReturnTypeWillChange]
public function rewind() { $this->len = 0; $this->pos = 0; $this->col = 0; $this->line = 1; $this->max = strlen($this->src) - 1; $this->next(); } }
function loco_utf8_chr(  $u ){ if( $u < 0x80 ){ if( $u < 0 ){ throw new RangeException( sprintf('%d is out of Unicode range', $u ) ); } return chr($u); } if( $u < 0x800 ) { return chr( ($u>>6) & 0x1F | 0xC0 ).chr( $u & 0x3F | 0x80 ); } if( $u < 0x10000 ) { return chr( $u>>12 & 15 | 0xE0 ).chr( $u>>6 & 0x3F | 0x80 ).chr( $u & 0x3F | 0x80 ); } if( $u < 0x110000 ) { return chr( $u>>18 & 7 | 0xF0 ).chr( $u>>12 & 0x3F | 0x80 ).chr( $u>>6 & 0x3F | 0x80 ).chr( $u & 0x3F | 0x80 ); } throw new RangeException( sprintf('\\x%X is out of Unicode range', $u ) ); }
function loco_resolve_surrogates(  $s ){ return preg_replace_callback('/\\xED([\\xA0-\\xAF])([\\x80-\\xBF])\\xED([\\xB0-\\xBF])([\\x80-\\xBF])/', '_loco_resolve_surrogates', $s ); }
function _loco_resolve_surrogates( array $r ){ return loco_utf8_chr ( ( ( ( ( 832 | ( ord($r[1]) & 0x3F ) ) << 6 ) | ( ord($r[2]) & 0x3F ) ) - 0xD800 ) * 0x400 + ( ( ( ( 832 | ( ord($r[3]) & 0x3F ) ) << 6 ) | ( ord($r[4]) & 0x3F ) ) - 0xDC00 ) + 0x10000 ); }
class LocoEscapeParser { 
private  $map; 
private  $grep; 
public function __construct( array $map = [] ){ $this->map = $map; $rules = ['\\\\']; if( $map ){ $rules[] = '['.implode(array_keys($map)).']'; } if( ! isset($map['U']) ) { $rules[] = 'U[0-9A-Fa-f]{5,8}'; } if( ! isset($map['u']) ) { $rules[] = 'u(?:\\{[0-9A-Fa-f]+\\}|[0-9A-Fa-f]{1,4})(?:\\\\u(?:\\{[0-9A-Fa-f]+\\}|[0-9A-Fa-f]{1,4}))*'; } $this->grep = '/\\\\('.implode('|',$rules).')/'; } 
final public function unescape(  $s ) { if( '' !== $s ) { return $this->stripSlashes( preg_replace_callback($this->grep, [$this, 'unescapeMatch'], $s) ); } return ''; } 
final public function unescapeMatch( array $r ) { $s = $r[0]; $c = $s[1]; if( isset($this->map[$c]) ){ return $this->map[$c]; } if( 'u' === $c ){ $str = ''; $surrogates = false; foreach( explode('\\u',$s) as $i => $h ){ if( '' !== $h ){ $h = ltrim( trim($h,'{}'),'0'); $u = intval($h,16); $str.= loco_utf8_chr($u); if( ! $surrogates ){ $surrogates = $u >= 0xD800 && $u <= 0xDBFF; } } } if( $surrogates ){ $str = loco_resolve_surrogates($str); } return $str; } if( 'U' === $c ){ return loco_utf8_chr( intval(substr($s,2),16) ); } if( 'x' === $c ){ return chr( intval(substr($s,2),16) ); } if( ctype_digit($c) ){ return chr( intval(substr($s,1),8) ); } return $s; } 
protected function stripSlashes(  $s ) { return stripcslashes($s); } }
class LocoJsTokens extends LocoTokenizer { const T_KWORD = 1; const T_REGEX = 2; 
private static $lex; 
protected static $words = [ 'true' => 1, 'false' => 1, 'null' => 1, 'break' => T_BREAK, 'else' => T_ELSE, 'new' => T_NEW, 'var' => 1, 'case' => T_CASE, 'finally' => T_FINALLY, 'return' => T_RETURN, 'void' => 1, 'catch' => T_CATCH, 'for' => T_FOR, 'switch' => T_SWITCH, 'while' => T_WHILE, 'continue' => T_CONTINUE, 'function' => T_FUNCTION, 'this' => T_STRING, 'with' => 1, 'default' => T_DEFAULT, 'if' => T_IF, 'throw' => T_THROW, 'delete' => 1, 'in' => 1, 'try' => T_TRY, 'do' => T_DO, 'instanceof' => 1, 'typeof' => 1, ]; 
public static function decapse(  $encapsed ){ $s = substr($encapsed,1,-1); $l = self::$lex; if( is_null($l) ){ $l = new LocoEscapeParser( [ 'U' => 'U', 'a' => 'a', ] ); self::$lex = $l; } return $l->unescape($s); } 
public function __construct(  $src = '' ){ $this->define('/^(?:\\\\u[0-9A-F]{4,4}|[$_\\pL\\p{Nl}])(?:\\\\u[0-9A-F]{4}|[$_\\pL\\pN\\p{Mn}\\p{Mc}\\p{Pc}])*/ui', [$this,'matchWord'] ); $this->define('/^\\s+/u', T_WHITESPACE ); $this->define('!^//.*!', T_COMMENT ); $this->define('!^/\\*.*\\*/!Us', [$this,'matchComment'] ); $this->define('/^"(?:\\\\.|[^\\r\\n\\p{Zl}\\p{Zp}"\\\\])*"/u', T_CONSTANT_ENCAPSED_STRING ); $this->define('/^\'(?:\\\\.|[^\\r\\n\\p{Zl}\\p{Zp}\'\\\\])*\'/u', T_CONSTANT_ENCAPSED_STRING ); $this->define('/^[-+;,<>.=:|&^!?*%~(){}[\\]]/'); parent::__construct($src); } 
public function matchWord(  $s ){ if( array_key_exists($s,self::$words) ){ return self::$words[$s]; } return T_STRING; } 
public function matchComment(  $s ){ if( '/**' === substr($s,0,3) ){ return T_DOC_COMMENT; } return T_COMMENT; } }
interface LocoExtractorInterface { 
public function setDomain(  $default ); 
public function tokenize(  $src ); 
public function extract( LocoExtracted $strings, LocoTokensInterface $tokens,  $fileref = '' ); }
class LocoExtracted implements Countable { 
private  $exp = []; 
private  $reg = []; 
private  $dom = []; 
private  $dflt = ''; 
public function extractSource( LocoExtractorInterface $ext,  $src,  $fileref = '' ) { $ext->extract( $this, $ext->tokenize($src), $fileref ); return $this; } 
public function export() { return $this->exp; } 
#[ReturnTypeWillChange]
public function count() { return count( $this->exp ); } 
public function getDomainCounts() { return $this->dom; } 
public function setDomain(  $default ) { $this->dflt = $default; return $this; } 
public function getDomain() { return $this->dflt; } 
private function key( array $entry ) { $key = (string) $entry['source']; foreach( ['context','domain'] as $i => $prop ){ if( array_key_exists($prop,$entry) ) { $add = (string) $entry[$prop]; if( '' !== $add ){ $key .= ord($i).$add; } } } return $key; } 
public function pushEntry( array $entry,  $domain ) { if( '' === $domain || '*' === $domain ){ $domain = $this->dflt; } $entry['id'] = ''; $entry['target'] = ''; $entry['domain'] = $domain; $key = $this->key($entry); if( isset($this->reg[$key]) ){ $index = $this->reg[$key]; $clash = $this->exp[$index]; if( $value = $this->mergeField( $clash, $entry, 'refs', ' ') ){ $this->exp[$index]['refs'] = $value; } if( $value = $this->mergeField( $clash, $entry, 'notes', "\n") ){ $this->exp[$index]['notes'] = $value; } } else { $index = count($this->exp); $this->reg[$key] = $index; $this->exp[$index] = $entry; if( isset($this->dom[$domain]) ){ $this->dom[$domain]++; } else { $this->dom[$domain] = 1; } } return $index; } 
public function pushPlural( array $entry,  $sindex ) { $parent = $this->exp[$sindex]; $domain = $parent['domain']; $pkey = $this->key($parent)."\2"; if( ! array_key_exists($pkey,$this->reg) ){ $pindex = count($this->exp); $this->reg[$pkey] = $pindex; $entry += [ 'id' => '', 'target' => '', 'plural' => 1, 'parent' => $sindex, 'domain' => $domain, ]; $this->exp[$pindex] = $entry; if( isset($entry['format']) && ! isset( $parent['format']) ) { $this->exp[$sindex]['format'] = $entry['format']; } if( $pindex !== $sindex + $entry['plural']) { $this->exp[$sindex]['child'] = $pindex; } } } 
public function mergeField( array $old, array $new,  $field,  $glue ) { $prev = isset($old[$field]) ? $old[$field] : ''; if( isset($new[$field]) ){ $text = $new[$field]; if( '' !== $prev && $prev !== $text ){ if( 'notes' === $field && preg_match( '/^'.preg_quote( rtrim($text,'. '),'/').'[. ]*$/mu', $prev ) ) { $text = $prev; } else { $text = $prev.$glue.$text; } } return $text; } return $prev; } 
public function filter(  $domain ) { if( '' === $domain ){ $domain = $this->dflt; } $map = []; $newOffset = 1; $matchAll = '*' === $domain; $raw = [ [ 'id' => '', 'source' => '', 'target' => '', 'domain' => $matchAll ? '' : $domain, ] ]; foreach( $this->exp as $oldOffset => $r ){ if( isset($r['parent']) ){ if( isset($map[$r['parent']]) ){ $r['parent'] = $map[ $r['parent'] ]; $raw[ $newOffset++ ] = $r; } } else { if( $matchAll ){ $match = true; } else if( isset($r['domain']) ){ $match = $domain === $r['domain']; } else { $match = $domain === ''; } if( $match ){ $map[ $oldOffset ] = $newOffset; $raw[ $newOffset++ ] = $r; } } } return $raw; } }
abstract class LocoExtractor implements LocoExtractorInterface { 
private  $rules; 
private  $wp = []; 
private  $domain = ''; 
abstract protected function fsniff(  $str ); 
abstract protected function decapse(  $raw ); 
abstract protected function comment(  $comment ); 
public function __construct( array $rules ){ $this->rules = $rules; } 
public function setDomain(  $default ) { $this->domain = $default; return $this; } 
public function headerize( array $tags,  $domain = '' ) { if( isset($this->wp[$domain]) ){ $this->wp[$domain] += $tags; } else { $this->wp[$domain] = $tags; } return $this; } 
protected function getHeaders() { return $this->wp; } 
final public function extractSource(  $src,  $fileref ) { $strings = new LocoExtracted; $this->extract( $strings, $this->tokenize($src), $fileref ); return $strings; } 
public function rule(  $keyword ) { return isset($this->rules[$keyword]) ? $this->rules[$keyword] : ''; } 
protected function push( LocoExtracted $strings,  $rule, array $args,  $comment = '',  $ref = '' ) { $s = strpos( $rule, 's'); $p = strpos( $rule, 'p'); $c = strpos( $rule, 'c'); $d = strpos( $rule, 'd'); if( false === $s || ! isset($args[$s]) ){ return null; } $msgid = $args[$s]; if( ! is_string($msgid) ){ return null; } $entry = [ 'source' => $msgid, ]; if( is_int($c) && isset($args[$c]) ){ $entry['context'] = $args[$c]; } else if( '' === $msgid ){ return null; } if( $ref ){ $entry['refs'] = $ref; } if( is_int($d) && array_key_exists($d,$args) ){ $domain = $args[$d]; if( is_null($domain) ){ $domain = ''; } } else if( '' === $this->domain ) { $domain = $strings->getDomain(); } else { $domain = $this->domain; } $format = ''; $comment = $this->comment($comment); if( '' !== $comment ){ if( preg_match('/^xgettext:\\s*([-a-z]+)-format\\s*/mi', $comment, $r, PREG_OFFSET_CAPTURE ) ){ $format = $r[1][0]; $entry['format'] = $format; $comment = trim( substr_replace( $comment,'', $r[0][1], strlen($r[0][0]) ) ); } if( preg_match('/^references?:( *.+:\\d+)*\\s*/mi', $comment, $r, PREG_OFFSET_CAPTURE ) ){ $entry['refs'] = trim($r[1][0],' '); $comment = trim( substr_replace( $comment, '', $r[0][1], strlen($r[0][0]) ) ); } $entry['notes'] = $comment; } $msgid_plural = is_int($p) && isset($args[$p]) ? $args[$p] : ''; if( '' === $format ){ $format = $this->fsniff($msgid); if( '' !== $format ){ $entry['format'] = $format; } else if( '' !== $msgid_plural ){ $format = $this->fsniff($msgid_plural); if( '' !== $format ){ $entry['format'] = $format; } } } $index = $strings->pushEntry($entry,$domain); if( '' !== $msgid_plural ){ $entry = [ 'source' => $msgid_plural, ]; if( '' !== $format ) { $entry['format'] = $format; } $strings->pushPlural($entry,$index); } return $index; } 
protected function utf8(  $str ) { if( false === preg_match('//u',$str) ){ $str = mb_convert_encoding( $str, 'UTF-8', 'cp1252' ); } return $str; } }
class LocoPHPTokens implements LocoTokensInterface, Countable { 
private  $i = null; 
private  $tokens; 
private  $skip_tokens = []; 
private  $literal_tokens = []; 
public function __construct( array $tokens ){ $this->tokens = $tokens; $this->rewind(); } 
public function literal( array $a ) { foreach( $a as $t ){ $this->literal_tokens[ $t ] = 1; } return $this; } 
public function ignore( array $a ) { foreach( $a as $t ){ $this->skip_tokens[$t] = true; } return $this; } 
public function export() { $arr = []; $this->rewind(); while( $tok = $this->advance() ){ $arr[] = $tok; } return $arr; } 
public function advance() { $tok = $this->current(); $this->next(); return $tok; } 
#[ReturnTypeWillChange]
public function rewind() { $this->i = ( false === reset($this->tokens) ? null : key($this->tokens) ); } 
#[ReturnTypeWillChange]
public function valid() { while( isset($this->i) ){ $tok = $this->tokens[$this->i]; if( array_key_exists( is_array($tok) ? $tok[0] : $tok, $this->skip_tokens ) ){ $this->next(); } else { return true; } } return false; } 
#[ReturnTypeWillChange]
public function key() { return $this->i; } 
#[ReturnTypeWillChange]
public function next() { $this->i = ( false === next($this->tokens) ? null : key($this->tokens) ); } 
#[ReturnTypeWillChange]
public function current() { if( ! $this->valid() ){ return false; } $tok = $this->tokens[$this->i]; if( is_array($tok) && isset($this->literal_tokens[$tok[0]]) ){ return $tok[1]; } return $tok; } 
public function __toString() { $s = []; foreach( $this as $token ){ $s[] = is_array($token) ? $token[1] : $token; } return implode('',$s); } 
#[ReturnTypeWillChange]
public function count() { return count($this->tokens); } }
class LocoPHPEscapeParser extends LocoEscapeParser { 
public function __construct(){ parent::__construct( [ 'n' => "\n", 'r' => "\r", 't' => "\t", 'v' => "\x0B", 'f' => "\x0C", 'e' => "\x1B", '$' => '$', '\\' => '\\', '"' => '"', ] ); } 
protected function stripSlashes(  $s ) { return preg_replace_callback('/\\\\(x[0-9A-Fa-f]{1,2}|[0-3]?[0-7]{1,2})/', [$this,'unescapeMatch'], $s, -1, $n ); } }
function loco_unescape_php_string(  $s ) { static $l; if( is_null($l) ) { $l = new LocoPHPEscapeParser; } return $l->unescape($s); }
function loco_decapse_php_string(  $s ) { if( '' === $s ){ return ''; } $q = $s[0]; if( "'" === $q ){ return str_replace( ['\\'.$q, '\\\\'], [$q, '\\'], substr( $s, 1, -1 ) ); } if( '"' !== $q ){ return $s; } return loco_unescape_php_string( substr($s,1,-1) ); }
function loco_parse_php_comment(  $comment ) { $comment = trim( $comment,"/ \n\r\t" ); if( '' !== $comment && '*' === $comment[0] ){ $lines = []; $junk = "\r\t/ *"; foreach( explode("\n",$comment) as $line ){ $line = trim($line,$junk); if( '' !== $line ){ $lines[] = $line; } } $comment = implode("\n", $lines); } return $comment; }
function loco_parse_wp_comment(  $block ) { $header = []; if( '/*' === substr($block,0,2) ){ $junk = "\r\t/ *"; foreach( explode("\n", $block) as $line ){ if( false !== ( $i = strpos($line,':') ) ){ $key = substr($line,0,$i); $val = substr($line,++$i); $header[ trim($key,$junk) ] = trim($val,$junk); } } } return $header; }
class LocoPHPExtractor extends LocoExtractor { 
private  $defs = []; 
public function tokenize(  $src ) { return new LocoPHPTokens( token_get_all($src) ); } 
public function decapse(  $raw ) { return loco_decapse_php_string( $raw ); } 
public function fsniff(  $str ) { $format = ''; $offset = 0; while( preg_match('/%(?:[1-9]\\d*\\$)?(?:\'.|[-+0 ])*\\d*(?:\\.\\d+)?(.|$)/',$str,$r,PREG_OFFSET_CAPTURE,$offset) ){ $type = $r[1][0]; list($match,$offset) = $r[0]; if( '%' === $type && '%%' !== $match ){ return ''; } if( '' === $type || ! preg_match('/^[bcdeEfFgGosuxX%]/',$type) ){ return ''; } $offset += strlen($match); if( preg_match('/^% +[a-z]/i',$match) || preg_match('/^%[b-ou-x]/i',$match) ){ continue; } $format = 'php'; } return $format; } 
protected function comment(  $comment ) { return preg_replace('/^translators:\\s+/mi', '', loco_parse_php_comment($comment) ); } 
public function define(  $name,  $value ) { $this->defs[$name] = $value; return $this; } 
public function extract( LocoExtracted $strings, LocoTokensInterface $tokens,  $fileref = '' ) { $tokens->ignore( [T_WHITESPACE] ); $n = 0; $depth = 0; $comment = ''; $narg = 0; $args = []; $ref = ''; $rule = ''; $wp = $this->getHeaders(); $tokens->rewind(); while( $tok = $tokens->advance() ){ if( is_string($tok) ){ $s = $tok; $t = null; } else { $t = $tok[0]; $s = $tok[1]; } if( $depth ){ if( ')' === $s || ']' === $s ){ if( 0 === --$depth ){ if( $this->push( $strings, $rule, $args, $comment, $ref ) ){ $n++; } $comment = ''; } } else if( '(' === $s || '[' === $s ){ $depth++; $args[$narg] = null; } else if( 1 === $depth ){ if( ',' === $s ){ $narg++; } else if( T_CONSTANT_ENCAPSED_STRING === $t ){ $s = self::utf8($s); $args[$narg] = $this->decapse($s); } else if( T_STRING === $t && array_key_exists($s,$this->defs) ){ $args[$narg] = $this->defs[$s]; } else { $args[$narg] = null; } } } else if( T_COMMENT === $t || T_DOC_COMMENT === $t ){ $was_header = false; $s = self::utf8($s); if( 0 === $n ){ if( false !== strpos($s,'* @package') ){ $was_header = true; } if( $wp && ( $header = loco_parse_wp_comment($s) ) ){ foreach( $wp as $domain => $tags ){ foreach( array_intersect_key($header,$tags) as $tag => $text ){ $ref = $fileref ? $fileref.':'.$tok[2]: ''; $strings->pushEntry( ['source'=>$text,'refs'=>$ref]+$tags[$tag], (string) $domain ); $was_header = true; } } } } if( ! $was_header ) { $comment = $s; } } else if( T_STRING === $t && '(' === $tokens->advance() && ( $rule = $this->rule($s) ) ){ $ref = $fileref ? $fileref.':'.$tok[2]: ''; $depth = 1; $args = []; $narg = 0; } else if( '' !== $comment && ! preg_match('!^[/* ]+(translators|xgettext):!im',$comment) ){ $comment = ''; } } } }
class LocoJsExtractor extends LocoPHPExtractor { 
public function tokenize(  $src ) { return new LocoJsTokens($src); } 
public function fsniff(  $str ) { return parent::fsniff($str) ? 'javascript' : ''; } 
public function decapse(  $raw ) { return LocoJsTokens::decapse($raw); } }
class LocoTwigExtractor extends LocoPHPExtractor { 
public function tokenize(  $src ) { $src = '<?php '.preg_replace('/{#([^#]+)#}/su','/*\\1*/',$src); return parent::tokenize($src); } }
class LocoWpJsonExtractor implements LocoExtractorInterface { 
private static  $types = []; 
private  $base = '.'; 
private  $domain = ''; 
public function __construct() { if( defined('ABSPATH') ){ $this->setBase( rtrim(ABSPATH,'/').'/wp-includes' ); } } 
public function setBase(  $path ) { $this->base = $path; } 
private function getType(  $type ) { if( array_key_exists($type,self::$types) ){ return self::$types[$type]; } $path = $this->base.'/'.$type.'-i18n.json'; if ( ! file_exists($path) ) { throw new Exception( basename($path).' not found in '.$this->base ); } return json_decode( file_get_contents($path) ); } 
public function tokenize(  $src ) { $raw = json_decode($src,true); if( ! is_array($raw) || ! array_key_exists('$schema',$raw) ){ throw new InvalidArgumentException('Invalid JSON'); } if( ! preg_match('!^https?://schemas.wp.org/trunk/(block|theme)\\.json!', $raw['$schema'], $r ) ){ throw new InvalidArgumentException('Unsupported schema'); } if( '' === $this->domain && array_key_exists('textdomain',$raw) ){ $this->domain = $raw['textdomain']; } return new LocoWpJsonStrings( $raw, $this->getType($r[1]) ); } 
public function setDomain(  $default ) { $this->domain = $default; return $this; } 
public function extract( LocoExtracted $strings, LocoTokensInterface $tokens,  $fileref = '' ) { if( ! preg_match('/:\\d+$/',$fileref) ){ $fileref.=':1'; } $tokens->rewind(); while( $tok = $tokens->advance() ){ $tok['refs'] = $fileref; $strings->pushEntry( $tok, $this->domain ); } } }
class LocoWpJsonStrings extends ArrayIterator implements LocoTokensInterface { 
public function __construct( array $raw, stdClass $tpl ){ parent::__construct([]); $this->walk( $tpl, $raw ); } 
public function advance() { $tok = $this->current(); $this->next(); return $tok; } 
public function ignore(array $a) { return $this; } 
private function walk(  $tpl,  $raw ) { if( is_string($tpl) && is_string($raw) ) { $this->offsetSet( null, [ 'context' => $tpl, 'source' => $raw, ] ); return; } if( is_array($tpl) && is_array($raw) ) { foreach ( $raw as $value ) { self::walk( $tpl[0], $value ); } } else if( is_object($tpl) && is_array($raw) ) { $group_key = '*'; foreach ( $raw as $key => $value ) { if ( isset($tpl->$key) ) { $this->walk( $tpl->$key, $value ); } else if ( isset($tpl->$group_key) ) { $this->walk( $tpl->$group_key, $value ); } } } } }
function loco_wp_extractor(  $type = 'php' ) { if( 'json' === $type ){ return new LocoWpJsonExtractor; } static $rules = [ '__' => 'sd', '_e' => 'sd', '_c' => 'sd', '_n' => 'sp_d', '_n_noop' => 'spd', '_nc' => 'sp_d', '__ngettext' => 'spd', '__ngettext_noop' => 'spd', '_x' => 'scd', '_ex' => 'scd', '_nx' => 'sp_cd', '_nx_noop' => 'spcd', 'esc_attr__' => 'sd', 'esc_html__' => 'sd', 'esc_attr_e' => 'sd', 'esc_html_e' => 'sd', 'esc_attr_x' => 'scd', 'esc_html_x' => 'scd', ]; if( 'php' === $type ){ $extr = new LocoPHPExtractor($rules); } else if( 'twig' === $type ){ $extr = new LocoTwigExtractor($rules); } else if( 'js' === $type ){ $extr = new LocoJsExtractor($rules); } else { throw new InvalidArgumentException('No string extractor for '.$type); } return $extr; }
function loco_string_percent(  $n,  $t ) { if( ! $t || ! $n ){ $s = '0'; } else if( $t === $n ){ $s = '100'; } else { $dp = 0; $n = 100 * $n / $t; if( $n > 99 ){ $s = number_format( min( $n, 99.9 ), ++$dp ); } else if( $n < 0.5 ){ $n = max( $n, 0.0001 ); do { $s = number_format( $n, ++$dp ); } while( preg_match('/^0\\.0+$/',$s) && $dp < 4 ); $s = substr($s,1); } else { $s = number_format( $n, $dp ); } } return $s; }
function loco_print_progress( $translated, $untranslated, $flagged ) { $total = $translated + $untranslated; $complete = loco_string_percent( $translated - $flagged, $total ); $class = 'progress'; if( ! $translated && ! $flagged ){ $class .= ' empty'; } else if( '100' === $complete ){ $class .= ' done'; } echo '<div class="',$class,'"><div class="t">'; if( $flagged ){ $s = loco_string_percent( $flagged, $total ); echo '<div class="bar f" style="width:',$s,'%">&nbsp;</div>'; } if( '0' === $complete ){ echo '&nbsp;'; } else { $class = 'bar p'; $p = (int) $complete; $class .= sprintf(' p-%u', 10*floor($p/10) ); $style = 'width:'.$complete.'%'; if( $flagged ){ $remain = 100.0 - (float) $s; $style .= '; max-width: '.sprintf('%s',$remain).'%'; } echo '<div class="',$class,'" style="'.$style.'">&nbsp;</div>'; } echo '</div><div class="l">',$complete,'%</div></div>'; }
class LocoFuzzyMatcher implements Countable { 
private  $pot = []; 
private  $po = []; 
private  $diff = []; 
private  $dmax = .20; 
#[ReturnTypeWillChange]
public function count() { return count($this->pot); } 
public function unmatched() { return array_values($this->pot); } 
public function redundant() { return array_values($this->po); } 
public function setFuzziness( $s ) { if( $this->po ){ throw new LogicException('Cannot setFuzziness() after calling match()'); } $this->dmax = (float) max( 0, min( (int) $s, 100 ) ) / 100; } 
public function add(  $a ) { $source = isset($a['source']) ? (string) $a['source'] : ''; $context = isset($a['context']) ? (string) $a['context'] : ''; $key = $source."\4".$context; $this->pot[$key] = $a; } 
private function key(  $a ) { $source = isset($a['source']) ? (string) $a['source'] : ''; $context = isset($a['context']) ? (string) $a['context'] : ''; return $source."\4".$context; } 
protected function getRef(  $a ) { $key = $this->key($a); return array_key_exists($key,$this->pot) ? $this->pot[$key] : null; } 
public function match(  $a ) { $old = $this->key($a); if( isset($this->pot[$old]) ){ $new = $this->pot[$old]; unset($this->pot[$old]); return $new; } $this->po[$old] = $a; $target = isset($a['target']) ? (string) $a['target'] : ''; $comment = isset($a['comment']) ? (string) $a['comment'] : ''; if( '' === $target && '' === $comment ){ return null; } if( 0 < $this->dmax ){ foreach( $this->pot as $new => $_ ){ $dist = $this->distance($old,$new); if( -1 !== $dist ){ $this->diff[] = [ $old, $new, $dist ]; } } } return null; } 
private function distance(  $a,  $b ) { $a = strtolower($a); $b = strtolower($b); if( $a === $b ){ return 0; } $lenA = strlen($a); $lenB = strlen($b); $lenDiff = abs($lenA-$lenB); $max = min($lenA,$lenB) + $lenDiff; $max = (int) ceil( $this->dmax * $max ); if( $max < $lenDiff ) { return -1; } $len = max($lenA,$lenB); if( $len < 256 ){ $d = levenshtein($a,$b); return $d > $max ? -1 : $d; } $d = 0; for( $i = 0; $i < $len; $i+=$max ){ $aa = substr($a,$i,$max); $bb = substr($b,$i,$max); $d += levenshtein($aa,$bb); if( $d > $max ){ return -1; } } return $d; } 
public function getFuzzyMatches() { $pairs = []; usort( $this->diff, [__CLASS__,'compareDistance'] ); foreach( $this->diff as $pair ){ list($old,$new) = $pair; if( ! array_key_exists($new,$this->pot) || ! array_key_exists($old,$this->po) ){ continue; } $pairs[] = [ $this->po[$old], $this->pot[$new], ]; unset($this->po[$old]); unset($this->pot[$new]); if( ! $this->po || ! $this->pot ){ break; } } $this->diff = []; return $pairs; } 
private static function compareDistance( array $a, array $b ) { return $a[2] - $b[2]; } }
defined('T_FINALLY') || define('T_FINALLY',500); if( function_exists('loco_check_extension') ) { loco_check_extension('mbstring'); } 