3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = array('test' => 'some ©', 'hello' => 'json' . pack("H*" ,'c32e') ); var_dump(json_encode($str)); $str['test'] = htmlentities( (string) $str['test'], ENT_QUOTES, 'utf-8', FALSE); var_dump($str);
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
bool(false) array(2) { ["test"]=> string(11) "some &copy;" ["hello"]=> string(6) "json�." }
Output for 5.2.7 - 5.2.17, 5.3.0 - 5.3.13, 5.3.15 - 5.3.29, 5.4.0 - 5.4.45
string(35) "{"test":"some \u00a9","hello":null}" array(2) { ["test"]=> string(11) "some &copy;" ["hello"]=> string(6) "json�." }
Output for 5.3.14
Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/VI3PB on line 5 bool(false) array(2) { ["test"]=> string(11) "some &copy;" ["hello"]=> string(6) "json�." }
Output for 5.2.3 - 5.2.6
string(37) "{"test":"some \u00a9","hello":"json"}" array(2) { ["test"]=> string(11) "some &copy;" ["hello"]=> string(6) "json�." }
Output for 5.2.0 - 5.2.2
string(37) "{"test":"some \u00a9","hello":"json"}" Warning: htmlentities() expects at most 3 parameters, 4 given in /in/VI3PB on line 7 array(2) { ["test"]=> NULL ["hello"]=> string(6) "json�." }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/VI3PB 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/VI3PB on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: json_encode() in /in/VI3PB 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/VI3PB on line 5
preferences:
245.62 ms | 401 KiB | 351 Q