diff -up squirrelmail-webmail-1.4.22/functions/decode/iso_8859_1.php.pregfix squirrelmail-webmail-1.4.22/functions/decode/iso_8859_1.php --- squirrelmail-webmail-1.4.22/functions/decode/iso_8859_1.php.pregfix 2011-01-06 03:44:03.000000000 +0100 +++ squirrelmail-webmail-1.4.22/functions/decode/iso_8859_1.php 2014-04-10 14:24:37.794911237 +0200 @@ -23,12 +23,16 @@ function charset_decode_iso_8859_1 ($str if (! sq_is8bit($string,'iso-8859-1')) return $string; - $string = preg_replace("/([\201-\237])/e","'&#' . ord('\\1') . ';'",$string); + $string = preg_replace_callback("/([\201-\237])/", + create_function ('$matches', 'return \'&#\' . ord($matches[1]) . \';\';'), + $string); /* I don't want to use 0xA0 (\240) in any ranges. RH73 may dislike it */ $string = str_replace("\240", ' ', $string); - $string = preg_replace("/([\241-\377])/e","'&#' . ord('\\1') . ';'",$string); + $string = preg_replace_callback("/([\241-\377])/", + create_function ('$matches', 'return \'&#\' . ord($matches[1]) . \';\';'), + $string); return $string; } diff -up squirrelmail-webmail-1.4.22/functions/decode/us_ascii.php.pregfix squirrelmail-webmail-1.4.22/functions/decode/us_ascii.php --- squirrelmail-webmail-1.4.22/functions/decode/us_ascii.php.pregfix 2011-01-06 03:44:03.000000000 +0100 +++ squirrelmail-webmail-1.4.22/functions/decode/us_ascii.php 2014-04-10 14:24:37.791911211 +0200 @@ -26,11 +26,11 @@ function charset_decode_us_ascii ($strin if (! sq_is8bit($string,'us-ascii')) return $string; - $string = preg_replace("/([\201-\237])/e","'?'",$string); + $string = preg_replace("/([\201-\237])/","'?'",$string); /* I don't want to use 0xA0 (\240) in any ranges. RH73 may dislike it */ $string = str_replace("\240", '?', $string); - $string = preg_replace("/([\241-\377])/e","'?'",$string); + $string = preg_replace("/([\241-\377])/","'?'",$string); return $string; } diff -up squirrelmail-webmail-1.4.22/functions/decode/utf_8.php.pregfix squirrelmail-webmail-1.4.22/functions/decode/utf_8.php --- squirrelmail-webmail-1.4.22/functions/decode/utf_8.php.pregfix 2011-01-06 03:44:03.000000000 +0100 +++ squirrelmail-webmail-1.4.22/functions/decode/utf_8.php 2014-04-10 14:24:37.789911194 +0200 @@ -60,31 +60,31 @@ function charset_decode_utf_8 ($string) // decode six byte unicode characters /* (i think currently there is no such symbol) - $string = preg_replace("/([\374-\375])([\200-\277])([\200-\277])([\200-\277])([\200-\277])([\200-\277])/e", - "'&#'.((ord('\\1')-252)*1073741824+(ord('\\2')-200)*16777216+(ord('\\3')-200)*262144+(ord('\\4')-128)*4096+(ord('\\5')-128)*64+(ord('\\6')-128)).';'", + $string = preg_replace_callback("/([\374-\375])([\200-\277])([\200-\277])([\200-\277])([\200-\277])([\200-\277])/", + create_function ('$matches', 'return \'&#\'.((ord($matches[1])-252)*1073741824+(ord($matches[2])-200)*16777216+(ord($matches[3])-200)*262144+(ord($matches[4])-128)*4096+(ord($matches[5])-128)*64+(ord($matches[6])-128)).\';\';'), $string); */ // decode five byte unicode characters /* (i think currently there is no such symbol) - $string = preg_replace("/([\370-\373])([\200-\277])([\200-\277])([\200-\277])([\200-\277])/e", - "'&#'.((ord('\\1')-248)*16777216+(ord('\\2')-200)*262144+(ord('\\3')-128)*4096+(ord('\\4')-128)*64+(ord('\\5')-128)).';'", + $string = preg_replace_callback("/([\370-\373])([\200-\277])([\200-\277])([\200-\277])([\200-\277])/", + create_function ('$matches', 'return \'&#\'.((ord($matches[1])-248)*16777216+(ord($matches[2])-200)*262144+(ord($matches[3])-128)*4096+(ord($matches[4])-128)*64+(ord($matches[5])-128)).\';\';'), $string); */ - + // decode four byte unicode characters - $string = preg_replace("/([\360-\367])([\200-\277])([\200-\277])([\200-\277])/e", - "'&#'.((ord('\\1')-240)*262144+(ord('\\2')-128)*4096+(ord('\\3')-128)*64+(ord('\\4')-128)).';'", + $string = preg_replace_callback("/([\360-\367])([\200-\277])([\200-\277])([\200-\277])/", + create_function ('$matches', 'return \'&#\'.((ord($matches[1])-240)*262144+(ord($matches[2])-128)*4096+(ord($matches[3])-128)*64+(ord($matches[4])-128)).\';\';'), $string); // decode three byte unicode characters - $string = preg_replace("/([\340-\357])([\200-\277])([\200-\277])/e", - "'&#'.((ord('\\1')-224)*4096+(ord('\\2')-128)*64+(ord('\\3')-128)).';'", + $string = preg_replace_callback("/([\340-\357])([\200-\277])([\200-\277])/", + create_function ('$matches', 'return \'&#\'.((ord($matches[1])-224)*4096+(ord($matches[2])-128)*64+(ord($matches[3])-128)).\';\';'), $string); // decode two byte unicode characters - $string = preg_replace("/([\300-\337])([\200-\277])/e", - "'&#'.((ord('\\1')-192)*64+(ord('\\2')-128)).';'", + $string = preg_replace_callback("/([\300-\337])([\200-\277])/", + create_function ('$matches', 'return \'&#\'.((ord($matches[1])-192)*64+(ord($matches[2])-128)).\';\';'), $string); // remove broken unicode diff -up squirrelmail-webmail-1.4.22/functions/encode/cp1251.php.pregfix squirrelmail-webmail-1.4.22/functions/encode/cp1251.php --- squirrelmail-webmail-1.4.22/functions/encode/cp1251.php.pregfix 2011-01-06 03:44:03.000000000 +0100 +++ squirrelmail-webmail-1.4.22/functions/encode/cp1251.php 2014-04-10 14:27:19.502258209 +0200 @@ -22,7 +22,7 @@ function charset_encode_cp1251 ($string) // don't run encoding function, if there is no encoded characters if (! preg_match("'&#[0-9]+;'",$string) ) return $string; - $string=preg_replace("/&#([0-9]+);/e","unicodetocp1251('\\1')",$string); + $string=preg_replace_callback("/&#([0-9]+);/", 'unicodetocp1251', $string); // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetocp1251(hexdec('\\1'))",$string); return $string; @@ -36,10 +36,11 @@ function charset_encode_cp1251 ($string) * Don't use it or make sure, that functions/encode/cp1251.php is * included. * - * @param int $var decimal unicode value + * @param array $matches array with first element a decimal unicode value * @return string cp1251 character */ -function unicodetocp1251($var) { +function unicodetocp1251($matches) { + $var = $matches[1]; $cp1251chars=array('160' => "\xA0", '164' => "\xA4", diff -up squirrelmail-webmail-1.4.22/functions/encode/cp1255.php.pregfix squirrelmail-webmail-1.4.22/functions/encode/cp1255.php --- squirrelmail-webmail-1.4.22/functions/encode/cp1255.php.pregfix 2011-01-06 03:44:03.000000000 +0100 +++ squirrelmail-webmail-1.4.22/functions/encode/cp1255.php 2014-04-10 14:28:03.385623744 +0200 @@ -22,7 +22,7 @@ function charset_encode_cp1255 ($string) // don't run encoding function, if there is no encoded characters if (! preg_match("'&#[0-9]+;'",$string) ) return $string; - $string=preg_replace("/&#([0-9]+);/e","unicodetocp1255('\\1')",$string); + $string=preg_replace_callback("/&#([0-9]+);/",'unicodetocp1255',$string); // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetocp1255(hexdec('\\1'))",$string); return $string; @@ -36,10 +36,11 @@ function charset_encode_cp1255 ($string) * Don't use it or make sure, that functions/encode/cp1255.php is * included. * - * @param int $var decimal unicode value + * @param array $matches array with first element a decimal unicode value * @return string cp1255 character */ -function unicodetocp1255($var) { +function unicodetocp1255($matches) { + $var = $matches[1]; $cp1255chars=array('160' => "\xA0", '161' => "\xA1", diff -up squirrelmail-webmail-1.4.22/functions/encode/cp1256.php.pregfix squirrelmail-webmail-1.4.22/functions/encode/cp1256.php --- squirrelmail-webmail-1.4.22/functions/encode/cp1256.php.pregfix 2011-01-06 03:44:03.000000000 +0100 +++ squirrelmail-webmail-1.4.22/functions/encode/cp1256.php 2014-04-10 14:28:40.979936894 +0200 @@ -22,7 +22,7 @@ function charset_encode_cp1256 ($string) // don't run encoding function, if there is no encoded characters if (! preg_match("'&#[0-9]+;'",$string) ) return $string; - $string=preg_replace("/&#([0-9]+);/e","unicodetocp1256('\\1')",$string); + $string=preg_replace_callback("/&#([0-9]+);/",'unicodetocp1256',$string); // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetocp1256(hexdec('\\1'))",$string); return $string; @@ -36,10 +36,11 @@ function charset_encode_cp1256 ($string) * Don't use it or make sure, that functions/encode/cp1256.php is * included. * - * @param int $var decimal unicode value + * @param array $matches array with first element a decimal unicode value * @return string cp1256 character */ -function unicodetocp1256($var) { +function unicodetocp1256($matches) { + $var = $matches[1]; $cp1256chars=array('160' => "\xA0", '162' => "\xA2", diff -up squirrelmail-webmail-1.4.22/functions/encode/iso_8859_15.php.pregfix squirrelmail-webmail-1.4.22/functions/encode/iso_8859_15.php --- squirrelmail-webmail-1.4.22/functions/encode/iso_8859_15.php.pregfix 2011-01-06 03:44:03.000000000 +0100 +++ squirrelmail-webmail-1.4.22/functions/encode/iso_8859_15.php 2014-04-10 14:30:13.779709887 +0200 @@ -22,7 +22,7 @@ function charset_encode_iso_8859_15 ($st // don't run encoding function, if there is no encoded characters if (! preg_match("'&#[0-9]+;'",$string) ) return $string; - $string=preg_replace("/&#([0-9]+);/e","unicodetoiso885915('\\1')",$string); + $string=preg_replace_callback("/&#([0-9]+);/",'unicodetoiso885915',$string); // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetoiso885915(hexdec('\\1'))",$string); return $string; @@ -36,10 +36,11 @@ function charset_encode_iso_8859_15 ($st * Don't use it or make sure, that functions/encode/iso_8859_15.php is * included. * - * @param int $var decimal unicode value + * @param array $matches array with first element a decimal unicode value * @return string iso-8859-15 character */ -function unicodetoiso885915($var) { +function unicodetoiso885915($matches) { + $var = $matches[1]; $iso885915chars=array('160' => "\xA0", '161' => "\xA1", diff -up squirrelmail-webmail-1.4.22/functions/encode/iso_8859_1.php.pregfix squirrelmail-webmail-1.4.22/functions/encode/iso_8859_1.php --- squirrelmail-webmail-1.4.22/functions/encode/iso_8859_1.php.pregfix 2011-01-06 03:44:03.000000000 +0100 +++ squirrelmail-webmail-1.4.22/functions/encode/iso_8859_1.php 2014-04-10 14:26:36.378899004 +0200 @@ -22,7 +22,7 @@ function charset_encode_iso_8859_1 ($str // don't run encoding function, if there is no encoded characters if (! preg_match("'&#[0-9]+;'",$string) ) return $string; - $string=preg_replace("/&#([0-9]+);/e","unicodetoiso88591('\\1')",$string); + $string=preg_replace_callback("/&#([0-9]+);/",'unicodetoiso88591',$string); // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetoiso88591(hexdec('\\1'))",$string); return $string; @@ -36,10 +36,11 @@ function charset_encode_iso_8859_1 ($str * Don't use it or make sure, that functions/encode/iso_8859_1.php is * included. * - * @param int $var decimal unicode value + * @param array $matches array with first element a decimal unicode value * @return string iso-8859-1 character */ -function unicodetoiso88591($var) { +function unicodetoiso88591($matches) { + $var = $matches[1]; if ($var < 256) { $ret = chr ($var); diff -up squirrelmail-webmail-1.4.22/functions/encode/iso_8859_2.php.pregfix squirrelmail-webmail-1.4.22/functions/encode/iso_8859_2.php --- squirrelmail-webmail-1.4.22/functions/encode/iso_8859_2.php.pregfix 2011-01-06 03:44:03.000000000 +0100 +++ squirrelmail-webmail-1.4.22/functions/encode/iso_8859_2.php 2014-04-10 14:26:59.036087732 +0200 @@ -22,7 +22,7 @@ function charset_encode_iso_8859_2 ($str // don't run encoding function, if there is no encoded characters if (! preg_match("'&#[0-9]+;'",$string) ) return $string; - $string=preg_replace("/&#([0-9]+);/e","unicodetoiso88592('\\1')",$string); + $string=preg_replace_callback("/&#([0-9]+);/",'unicodetoiso88592',$string); // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetoiso88592(hexdec('\\1'))",$string); return $string; @@ -36,10 +36,11 @@ function charset_encode_iso_8859_2 ($str * Don't use it or make sure, that functions/encode/iso_8859_2.php is * included. * - * @param int $var decimal unicode value + * @param array $matches array with first element a decimal unicode value * @return string iso-8859-2 character */ -function unicodetoiso88592($var) { +function unicodetoiso88592($matches) { + $var = $matches[1]; $iso88592chars=array('160' => "\xA0", '164' => "\xA4", diff -up squirrelmail-webmail-1.4.22/functions/encode/iso_8859_7.php.pregfix squirrelmail-webmail-1.4.22/functions/encode/iso_8859_7.php --- squirrelmail-webmail-1.4.22/functions/encode/iso_8859_7.php.pregfix 2011-01-06 03:44:03.000000000 +0100 +++ squirrelmail-webmail-1.4.22/functions/encode/iso_8859_7.php 2014-04-10 14:27:42.475449569 +0200 @@ -22,7 +22,7 @@ function charset_encode_iso_8859_7 ($str // don't run encoding function, if there is no encoded characters if (! preg_match("'&#[0-9]+;'",$string) ) return $string; - $string=preg_replace("/&#([0-9]+);/e","unicodetoiso88597('\\1')",$string); + $string=preg_replace_callback("/&#([0-9]+);/",'unicodetoiso88597',$string); // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetoiso88597(hexdec('\\1'))",$string); return $string; @@ -36,10 +36,11 @@ function charset_encode_iso_8859_7 ($str * Don't use it or make sure, that functions/encode/iso_8859_7.php is * included. * - * @param int $var decimal unicode value + * @param array $matches array with first element a decimal unicode value * @return string iso-8859-7 character */ -function unicodetoiso88597($var) { +function unicodetoiso88597($matches) { + $var = $matches[1]; $iso88597chars=array('160' => "\xA0", '163' => "\xA3", diff -up squirrelmail-webmail-1.4.22/functions/encode/iso_8859_9.php.pregfix squirrelmail-webmail-1.4.22/functions/encode/iso_8859_9.php --- squirrelmail-webmail-1.4.22/functions/encode/iso_8859_9.php.pregfix 2011-01-06 03:44:03.000000000 +0100 +++ squirrelmail-webmail-1.4.22/functions/encode/iso_8859_9.php 2014-04-10 14:28:20.373765251 +0200 @@ -22,7 +22,7 @@ function charset_encode_iso_8859_9 ($str // don't run encoding function, if there is no encoded characters if (! preg_match("'&#[0-9]+;'",$string) ) return $string; - $string=preg_replace("/&#([0-9]+);/e","unicodetoiso88599('\\1')",$string); + $string=preg_replace_callback("/&#([0-9]+);/",'unicodetoiso88599',$string); // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetoiso88599(hexdec('\\1'))",$string); return $string; @@ -36,10 +36,11 @@ function charset_encode_iso_8859_9 ($str * Don't use it or make sure, that functions/encode/iso_8859_9.php is * included. * - * @param int $var decimal unicode value + * @param array $matches array with first element a decimal unicode value * @return string iso-8859-9 character */ -function unicodetoiso88599($var) { +function unicodetoiso88599($matches) { + $var = $matches[1]; $iso88599chars=array('160' => "\xA0", '161' => "\xA1", diff -up squirrelmail-webmail-1.4.22/functions/encode/koi8_r.php.pregfix squirrelmail-webmail-1.4.22/functions/encode/koi8_r.php --- squirrelmail-webmail-1.4.22/functions/encode/koi8_r.php.pregfix 2011-01-06 03:44:03.000000000 +0100 +++ squirrelmail-webmail-1.4.22/functions/encode/koi8_r.php 2014-04-10 14:29:55.484557494 +0200 @@ -22,7 +22,7 @@ function charset_encode_koi8_r ($string) // don't run encoding function, if there is no encoded characters if (! preg_match("'&#[0-9]+;'",$string) ) return $string; - $string=preg_replace("/&#([0-9]+);/e","unicodetokoi8r('\\1')",$string); + $string=preg_replace_callback("/&#([0-9]+);/",'unicodetokoi8r',$string); // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetokoi8r(hexdec('\\1'))",$string); return $string; @@ -36,10 +36,11 @@ function charset_encode_koi8_r ($string) * Don't use it or make sure, that functions/encode/koi8_r.php is * included. * - * @param int $var decimal unicode value + * @param array $matches array with first element a decimal unicode value * @return string koi8-r character */ -function unicodetokoi8r($var) { +function unicodetokoi8r($matches) { + $var = $matches[1]; $koi8rchars=array('160' => "\x9A", '169' => "\xBF", diff -up squirrelmail-webmail-1.4.22/functions/encode/koi8_u.php.pregfix squirrelmail-webmail-1.4.22/functions/encode/koi8_u.php --- squirrelmail-webmail-1.4.22/functions/encode/koi8_u.php.pregfix 2011-01-06 03:44:03.000000000 +0100 +++ squirrelmail-webmail-1.4.22/functions/encode/koi8_u.php 2014-04-10 14:30:26.995819974 +0200 @@ -22,7 +22,7 @@ function charset_encode_koi8_u ($string) // don't run encoding function, if there is no encoded characters if (! preg_match("'&#[0-9]+;'",$string) ) return $string; - $string=preg_replace("/&#([0-9]+);/e","unicodetokoi8u('\\1')",$string); + $string=preg_replace_callback("/&#([0-9]+);/",'unicodetokoi8u',$string); // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetokoi8u(hexdec('\\1'))",$string); return $string; @@ -36,10 +36,11 @@ function charset_encode_koi8_u ($string) * Don't use it or make sure, that functions/encode/koi8_u.php is * included. * - * @param int $var decimal unicode value + * @param array $matches array with first element a decimal unicode value * @return string koi8-u character */ -function unicodetokoi8u($var) { +function unicodetokoi8u($matches) { + $var = $matches[1]; $koi8uchars=array('160' => "\x9A", '169' => "\xBF", diff -up squirrelmail-webmail-1.4.22/functions/encode/tis_620.php.pregfix squirrelmail-webmail-1.4.22/functions/encode/tis_620.php --- squirrelmail-webmail-1.4.22/functions/encode/tis_620.php.pregfix 2011-01-06 03:44:03.000000000 +0100 +++ squirrelmail-webmail-1.4.22/functions/encode/tis_620.php 2014-04-10 14:29:31.893360987 +0200 @@ -22,7 +22,7 @@ function charset_encode_tis_620 ($string // don't run encoding function, if there is no encoded characters if (! preg_match("'&#[0-9]+;'",$string) ) return $string; - $string=preg_replace("/&#([0-9]+);/e","unicodetotis620('\\1')",$string); + $string=preg_replace_callback("/&#([0-9]+);/",'unicodetotis620',$string); // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetotis620(hexdec('\\1'))",$string); return $string; @@ -36,10 +36,11 @@ function charset_encode_tis_620 ($string * Don't use it or make sure, that functions/encode/tis_620.php is * included. * - * @param int $var decimal unicode value + * @param array $matches array with first element a decimal unicode value * @return string tis-620 character */ -function unicodetotis620($var) { +function unicodetotis620($matches) { + $var = $matches[1]; $tis620chars=array('3585' => "\xA1", '3586' => "\xA2", diff -up squirrelmail-webmail-1.4.22/functions/encode/us_ascii.php.pregfix squirrelmail-webmail-1.4.22/functions/encode/us_ascii.php --- squirrelmail-webmail-1.4.22/functions/encode/us_ascii.php.pregfix 2011-01-06 03:44:03.000000000 +0100 +++ squirrelmail-webmail-1.4.22/functions/encode/us_ascii.php 2014-04-10 14:25:56.333565439 +0200 @@ -22,8 +22,7 @@ function charset_encode_us_ascii ($strin // don't run encoding function, if there is no encoded characters if (! preg_match("'&#[0-9]+;'",$string) ) return $string; - $string=preg_replace("/&#([0-9]+);/e","unicodetousascii('\\1')",$string); - // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetousascii(hexdec('\\1'))",$string); + $string=preg_replace_callback("/&#([0-9]+);/",'unicodetousascii',$string); return $string; } @@ -36,10 +35,11 @@ function charset_encode_us_ascii ($strin * Don't use it or make sure, that functions/encode/us_ascii.php is * included. * - * @param int $var decimal unicode value + * @param array $matches array with first element a decimal unicode value * @return string us-ascii character */ -function unicodetousascii($var) { +function unicodetousascii($matches) { + $var = $matches[1]; if ($var < 128) { $ret = chr ($var); diff -up squirrelmail-webmail-1.4.22/functions/encode/utf_8.php.pregfix squirrelmail-webmail-1.4.22/functions/encode/utf_8.php --- squirrelmail-webmail-1.4.22/functions/encode/utf_8.php.pregfix 2011-01-06 03:44:03.000000000 +0100 +++ squirrelmail-webmail-1.4.22/functions/encode/utf_8.php 2014-04-10 14:29:01.201105329 +0200 @@ -26,7 +26,7 @@ function charset_encode_utf_8 ($string) // don't run encoding function, if there is no encoded characters if (! preg_match("'&#[0-9]+;'",$string) ) return $string; - $string=preg_replace("/&#([0-9]+);/e","unicodetoutf8('\\1')",$string); + $string=preg_replace_callback("/&#([0-9]+);/",'unicodetoutf8',$string); // $string=preg_replace("/&#[xX]([0-9A-F]+);/e","unicodetoutf8(hexdec('\\1'))",$string); return $string; @@ -40,10 +40,11 @@ function charset_encode_utf_8 ($string) * Don't use it or make sure, that functions/encode/utf_8.php is * included. * - * @param int $var decimal unicode value + * @param array $matches array with first element a decimal unicode value * @return string utf8 character */ -function unicodetoutf8($var) { +function unicodetoutf8($matches) { + $var = $matches[1]; if ($var < 128) { $ret = chr ($var); diff -up squirrelmail-webmail-1.4.22/functions/mime.php.pregfix squirrelmail-webmail-1.4.22/functions/mime.php --- squirrelmail-webmail-1.4.22/functions/mime.php.pregfix 2014-04-10 14:24:00.585601294 +0200 +++ squirrelmail-webmail-1.4.22/functions/mime.php 2014-04-10 14:24:37.793911228 +0200 @@ -714,7 +714,8 @@ function decodeHeader ($string, $utfenco break; case 'Q': $replace = str_replace('_', ' ', $res[4]); - $replace = preg_replace('/=([0-9a-f]{2})/ie', 'chr(hexdec("\1"))', + $replace = preg_replace_callback('/=([0-9a-f]{2})/i', + create_function ('$matches', 'return chr(hexdec($matches[1]));'), $replace); if ($can_be_encoded) { // string is converted from one charset to another. sanitizing depends on $htmlsave