3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $str = '{ "key": "Hi!" }invalid'; $data = json_decode($str, true); if (JSON_ERROR_NONE === json_last_error()) { echo 'Invalid!'; } else { echo 'Valid'; }
Output for 5.3.0 - 7.1.0
Valid
Output for 5.2.0 - 5.2.17
Notice: Use of undefined constant JSON_ERROR_NONE - assumed 'JSON_ERROR_NONE' in /in/G5lG9 on line 4 Fatal error: Call to undefined function json_last_error() in /in/G5lG9 on line 4
Process exited with code 255.
Output for 5.0.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/G5lG9 on line 3
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/G5lG9 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/G5lG9 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/G5lG9 on line 3