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run code in 150+ php & hhvm versions
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<?php class utils { public static function replace_unicode_escape_sequence($str) { return preg_replace_callback('/\\\\u([0-9a-f]{4})/i', function ($match) { return mb_convert_encoding(pack('H*', $match[1]), 'iso-8859-1', 'UCS-2BE'); }, $str); } } header('Content-Type: text/plain; charset=iso-8859-1'); $strs = 'F\u00f6retag: Betalning'; /*echo utils::replace_unicode_escape_sequence($str);*/ function unicode_escape_sequences($str){return preg_replace('/\\\u([0-9a-z]{4})/', '&#x$1;', $str);} echo unicode_escape_sequences(htmlentities($strs));
Output for 5.3.0 - 7.1.0
F&#x00f6;retag: Betalning
Output for 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_FUNCTION in /in/qLYSv on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_FUNCTION in /in/qLYSv on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/qLYSv on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/qLYSv on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/qLYSv on line 4
Process exited with code 255.