3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $str = array('test' => 'some ©', 'hello' => 'json' . pack("H*" ,'c32e') ); var_dump(json_encode($str)); $str = htmlentities( (string) $str['test'], ENT_QUOTES, 'utf-8', FALSE);
based on 9EiIr
Output for 5.5.0 - 7.2.6
bool(false)
Output for 5.2.7 - 5.3.13, 5.3.15 - 5.4.45
string(35) "{"test":"some \u00a9","hello":null}"
Output for 5.3.14
Warning: json_encode(): Invalid UTF-8 sequence in argument in /in/OhtmN on line 5 bool(false)
Output for 5.2.3 - 5.2.6
string(37) "{"test":"some \u00a9","hello":"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/OhtmN on line 7
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/OhtmN 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/OhtmN 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/OhtmN 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/OhtmN on line 5