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run code in 200+ php & hhvm versions
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<?php class utils { private static function replace_unicode_escape_sequence($match) { return mb_convert_encoding(pack('H*', $match[1]), 'UTF-8', 'UCS-2BE'); } public static function to_decode($str) { return preg_replace_callback('/\\\\u([0-9a-f]{4})/i', 'utils::replace_unicode_escape_sequence', $str); } } $str = '{"name":"F\u00f6retag: Betalning"}'; echo utils::to_decode($str);
Output for 5.2.2 - 7.2.0
{"name":"Företag: Betalning"}
Output for 5.1.0 - 5.2.1
Warning: preg_replace_callback(): Unable to call custom replacement function in /in/JKuui on line 9 {"name":"F\u00f6retag: Betalning"}
Output for 5.0.0 - 5.0.5
Warning: preg_replace_callback(): requires argument 2, 'utils::replace_unicode_escape_sequence', to be a valid callback in /in/JKuui on line 9 {"name":"F\u00f6retag: Betalning"}
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/JKuui 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/JKuui 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/JKuui on line 4
Process exited with code 255.