diff options
Diffstat (limited to 'include/functions.inc.php')
| -rw-r--r-- | include/functions.inc.php | 223 |
1 files changed, 155 insertions, 68 deletions
diff --git a/include/functions.inc.php b/include/functions.inc.php index a34215fd5..50bb81757 100644 --- a/include/functions.inc.php +++ b/include/functions.inc.php @@ -299,27 +299,169 @@ function get_picture_size( $original_width, $original_height, return $picture_size; } +/* Returns true if the string appears to be encoded in UTF-8. (from wordpress) + * @param string Str + */ +function seems_utf8($Str) { # by bmorel at ssi dot fr + for ($i=0; $i<strlen($Str); $i++) { + if (ord($Str[$i]) < 0x80) continue; # 0bbbbbbb + elseif ((ord($Str[$i]) & 0xE0) == 0xC0) $n=1; # 110bbbbb + elseif ((ord($Str[$i]) & 0xF0) == 0xE0) $n=2; # 1110bbbb + elseif ((ord($Str[$i]) & 0xF8) == 0xF0) $n=3; # 11110bbb + elseif ((ord($Str[$i]) & 0xFC) == 0xF8) $n=4; # 111110bb + elseif ((ord($Str[$i]) & 0xFE) == 0xFC) $n=5; # 1111110b + else return false; # Does not match any model + for ($j=0; $j<$n; $j++) { # n bytes matching 10bbbbbb follow ? + if ((++$i == strlen($Str)) || ((ord($Str[$i]) & 0xC0) != 0x80)) + return false; + } + } + return true; +} + +/* Remove accents from a UTF-8 or ISO-859-1 string (from wordpress) + * @param string sstring - an UTF-8 or ISO-8859-1 string + */ +function remove_accents($string) +{ + if ( !preg_match('/[\x80-\xff]/', $string) ) + return $string; + + if (seems_utf8($string)) { + $chars = array( + // Decompositions for Latin-1 Supplement + chr(195).chr(128) => 'A', chr(195).chr(129) => 'A', + chr(195).chr(130) => 'A', chr(195).chr(131) => 'A', + chr(195).chr(132) => 'A', chr(195).chr(133) => 'A', + chr(195).chr(135) => 'C', chr(195).chr(136) => 'E', + chr(195).chr(137) => 'E', chr(195).chr(138) => 'E', + chr(195).chr(139) => 'E', chr(195).chr(140) => 'I', + chr(195).chr(141) => 'I', chr(195).chr(142) => 'I', + chr(195).chr(143) => 'I', chr(195).chr(145) => 'N', + chr(195).chr(146) => 'O', chr(195).chr(147) => 'O', + chr(195).chr(148) => 'O', chr(195).chr(149) => 'O', + chr(195).chr(150) => 'O', chr(195).chr(153) => 'U', + chr(195).chr(154) => 'U', chr(195).chr(155) => 'U', + chr(195).chr(156) => 'U', chr(195).chr(157) => 'Y', + chr(195).chr(159) => 's', chr(195).chr(160) => 'a', + chr(195).chr(161) => 'a', chr(195).chr(162) => 'a', + chr(195).chr(163) => 'a', chr(195).chr(164) => 'a', + chr(195).chr(165) => 'a', chr(195).chr(167) => 'c', + chr(195).chr(168) => 'e', chr(195).chr(169) => 'e', + chr(195).chr(170) => 'e', chr(195).chr(171) => 'e', + chr(195).chr(172) => 'i', chr(195).chr(173) => 'i', + chr(195).chr(174) => 'i', chr(195).chr(175) => 'i', + chr(195).chr(177) => 'n', chr(195).chr(178) => 'o', + chr(195).chr(179) => 'o', chr(195).chr(180) => 'o', + chr(195).chr(181) => 'o', chr(195).chr(182) => 'o', + chr(195).chr(182) => 'o', chr(195).chr(185) => 'u', + chr(195).chr(186) => 'u', chr(195).chr(187) => 'u', + chr(195).chr(188) => 'u', chr(195).chr(189) => 'y', + chr(195).chr(191) => 'y', + // Decompositions for Latin Extended-A + chr(196).chr(128) => 'A', chr(196).chr(129) => 'a', + chr(196).chr(130) => 'A', chr(196).chr(131) => 'a', + chr(196).chr(132) => 'A', chr(196).chr(133) => 'a', + chr(196).chr(134) => 'C', chr(196).chr(135) => 'c', + chr(196).chr(136) => 'C', chr(196).chr(137) => 'c', + chr(196).chr(138) => 'C', chr(196).chr(139) => 'c', + chr(196).chr(140) => 'C', chr(196).chr(141) => 'c', + chr(196).chr(142) => 'D', chr(196).chr(143) => 'd', + chr(196).chr(144) => 'D', chr(196).chr(145) => 'd', + chr(196).chr(146) => 'E', chr(196).chr(147) => 'e', + chr(196).chr(148) => 'E', chr(196).chr(149) => 'e', + chr(196).chr(150) => 'E', chr(196).chr(151) => 'e', + chr(196).chr(152) => 'E', chr(196).chr(153) => 'e', + chr(196).chr(154) => 'E', chr(196).chr(155) => 'e', + chr(196).chr(156) => 'G', chr(196).chr(157) => 'g', + chr(196).chr(158) => 'G', chr(196).chr(159) => 'g', + chr(196).chr(160) => 'G', chr(196).chr(161) => 'g', + chr(196).chr(162) => 'G', chr(196).chr(163) => 'g', + chr(196).chr(164) => 'H', chr(196).chr(165) => 'h', + chr(196).chr(166) => 'H', chr(196).chr(167) => 'h', + chr(196).chr(168) => 'I', chr(196).chr(169) => 'i', + chr(196).chr(170) => 'I', chr(196).chr(171) => 'i', + chr(196).chr(172) => 'I', chr(196).chr(173) => 'i', + chr(196).chr(174) => 'I', chr(196).chr(175) => 'i', + chr(196).chr(176) => 'I', chr(196).chr(177) => 'i', + chr(196).chr(178) => 'IJ',chr(196).chr(179) => 'ij', + chr(196).chr(180) => 'J', chr(196).chr(181) => 'j', + chr(196).chr(182) => 'K', chr(196).chr(183) => 'k', + chr(196).chr(184) => 'k', chr(196).chr(185) => 'L', + chr(196).chr(186) => 'l', chr(196).chr(187) => 'L', + chr(196).chr(188) => 'l', chr(196).chr(189) => 'L', + chr(196).chr(190) => 'l', chr(196).chr(191) => 'L', + chr(197).chr(128) => 'l', chr(197).chr(129) => 'L', + chr(197).chr(130) => 'l', chr(197).chr(131) => 'N', + chr(197).chr(132) => 'n', chr(197).chr(133) => 'N', + chr(197).chr(134) => 'n', chr(197).chr(135) => 'N', + chr(197).chr(136) => 'n', chr(197).chr(137) => 'N', + chr(197).chr(138) => 'n', chr(197).chr(139) => 'N', + chr(197).chr(140) => 'O', chr(197).chr(141) => 'o', + chr(197).chr(142) => 'O', chr(197).chr(143) => 'o', + chr(197).chr(144) => 'O', chr(197).chr(145) => 'o', + chr(197).chr(146) => 'OE',chr(197).chr(147) => 'oe', + chr(197).chr(148) => 'R',chr(197).chr(149) => 'r', + chr(197).chr(150) => 'R',chr(197).chr(151) => 'r', + chr(197).chr(152) => 'R',chr(197).chr(153) => 'r', + chr(197).chr(154) => 'S',chr(197).chr(155) => 's', + chr(197).chr(156) => 'S',chr(197).chr(157) => 's', + chr(197).chr(158) => 'S',chr(197).chr(159) => 's', + chr(197).chr(160) => 'S', chr(197).chr(161) => 's', + chr(197).chr(162) => 'T', chr(197).chr(163) => 't', + chr(197).chr(164) => 'T', chr(197).chr(165) => 't', + chr(197).chr(166) => 'T', chr(197).chr(167) => 't', + chr(197).chr(168) => 'U', chr(197).chr(169) => 'u', + chr(197).chr(170) => 'U', chr(197).chr(171) => 'u', + chr(197).chr(172) => 'U', chr(197).chr(173) => 'u', + chr(197).chr(174) => 'U', chr(197).chr(175) => 'u', + chr(197).chr(176) => 'U', chr(197).chr(177) => 'u', + chr(197).chr(178) => 'U', chr(197).chr(179) => 'u', + chr(197).chr(180) => 'W', chr(197).chr(181) => 'w', + chr(197).chr(182) => 'Y', chr(197).chr(183) => 'y', + chr(197).chr(184) => 'Y', chr(197).chr(185) => 'Z', + chr(197).chr(186) => 'z', chr(197).chr(187) => 'Z', + chr(197).chr(188) => 'z', chr(197).chr(189) => 'Z', + chr(197).chr(190) => 'z', chr(197).chr(191) => 's', + // Euro Sign + chr(226).chr(130).chr(172) => 'E', + // GBP (Pound) Sign + chr(194).chr(163) => ''); + + $string = strtr($string, $chars); + } else { + // Assume ISO-8859-1 if not UTF-8 + $chars['in'] = chr(128).chr(131).chr(138).chr(142).chr(154).chr(158) + .chr(159).chr(162).chr(165).chr(181).chr(192).chr(193).chr(194) + .chr(195).chr(196).chr(197).chr(199).chr(200).chr(201).chr(202) + .chr(203).chr(204).chr(205).chr(206).chr(207).chr(209).chr(210) + .chr(211).chr(212).chr(213).chr(214).chr(216).chr(217).chr(218) + .chr(219).chr(220).chr(221).chr(224).chr(225).chr(226).chr(227) + .chr(228).chr(229).chr(231).chr(232).chr(233).chr(234).chr(235) + .chr(236).chr(237).chr(238).chr(239).chr(241).chr(242).chr(243) + .chr(244).chr(245).chr(246).chr(248).chr(249).chr(250).chr(251) + .chr(252).chr(253).chr(255); + + $chars['out'] = "EfSZszYcYuAAAAAACEEEEIIIINOOOOOOUUUUYaaaaaaceeeeiiiinoooooouuuuyy"; + + $string = strtr($string, $chars['in'], $chars['out']); + $double_chars['in'] = array(chr(140), chr(156), chr(198), chr(208), chr(222), chr(223), chr(230), chr(240), chr(254)); + $double_chars['out'] = array('OE', 'oe', 'AE', 'DH', 'TH', 'ss', 'ae', 'dh', 'th'); + $string = str_replace($double_chars['in'], $double_chars['out'], $string); + } + + return $string; +} + /** * simplify a string to insert it into an URL * - * based on str2url function from Dotclear - * * @param string * @return string */ function str2url($str) { - $str = strtr( - $str, - 'ÀÁÂÃÄÅàáâãäåÇçÒÓÔÕÖØòóôõöøÈÉÊËèéêëÌÍÎÏìíîïÙÚÛÜùúûü¾ÝÿýÑñ', - 'AAAAAAaaaaaaCcOOOOOOooooooEEEEeeeeIIIIiiiiUUUUuuuuYYyyNn' - ); - - $str = str_replace('Æ', 'AE', $str); - $str = str_replace('æ', 'ae', $str); - $str = str_replace('¼', 'OE', $str); - $str = str_replace('½', 'oe', $str); - + $str = remove_accents($str); $str = preg_replace('/[^a-z0-9_\s\'\:\/\[\],-]/','',strtolower($str)); $str = preg_replace('/[\s\'\:\/\[\],-]+/',' ',trim($str)); $res = str_replace(' ','_',$str); @@ -355,61 +497,6 @@ function get_languages() return $languages; } -/** - * replaces the $search into <span style="$style">$search</span> in the - * given $string. - * - * case insensitive replacements, does not replace characters in HTML tags - * - * @param string $string - * @param string $search - * @param string $style - * @return string - */ -function add_style( $string, $search, $style ) -{ - //return $string; - $return_string = ''; - $remaining = $string; - - $start = 0; - $end = 0; - $start = strpos ( $remaining, '<' ); - $end = strpos ( $remaining, '>' ); - while ( is_numeric( $start ) and is_numeric( $end ) ) - { - $treatment = substr ( $remaining, 0, $start ); - $treatment = preg_replace( '/('.$search.')/i', - '<span style="'.$style.'">\\0</span>', - $treatment ); - $return_string.= $treatment.substr( $remaining, $start, $end-$start+1 ); - $remaining = substr ( $remaining, $end + 1, strlen( $remaining ) ); - $start = strpos ( $remaining, '<' ); - $end = strpos ( $remaining, '>' ); - } - $treatment = preg_replace( '/('.$search.')/i', - '<span style="'.$style.'">\\0</span>', - $remaining ); - $return_string.= $treatment; - - return $return_string; -} - -// replace_search replaces a searched words array string by the search in -// another style for the given $string. -function replace_search( $string, $search ) -{ - // FIXME : with new advanced search, this function needs a rewrite - return $string; - - $words = explode( ',', $search ); - $style = 'background-color:white;color:red;'; - foreach ( $words as $word ) { - $string = add_style( $string, $word, $style ); - } - return $string; -} - function pwg_log($image_id = null, $image_type = null) { global $conf, $user, $page; |