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run code in 200+ php & hhvm versions
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<?php $str = array('test' => 'some ©', 'hello' => 'json' . pack("H*" ,'c32e') ); var_dump(json_encode($str)); // $str['test'] = htmlentities( (string) $str['test'], ENT_QUOTES, 'utf-8', FALSE); // $str['test'] = iconv('UTF-8', 'ISO-8859-1', $str['test']); $str['test'] = utf8_encode( $str['test'] ); var_dump(json_encode($str));
based on o5OO4
Output for 5.5.0 - 7.2.0
bool(false) bool(false)
Output for 5.2.7 - 5.3.13, 5.3.15 - 5.4.45
string(35) "{"test":"some \u00a9","hello":null}" string(41) "{"test":"some \u00c2\u00a9","hello":null}"
Output for 5.3.14
Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/dj2JZ on line 5 bool(false) Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/dj2JZ on line 12 bool(false)
Output for 5.2.0 - 5.2.6
string(37) "{"test":"some \u00a9","hello":"json"}" string(43) "{"test":"some \u00c2\u00a9","hello":"json"}"
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/dj2JZ on line 5
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/dj2JZ on line 5
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/dj2JZ on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/dj2JZ on line 5