3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php function isJson($string) { json_decode($string); return (json_last_error() == JSON_ERROR_NONE); } $a=['arraiii'=>['dentro'=>234]]; echo isJson($a);
Output for 5.4.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Warning: json_decode() expects parameter 1 to be string, array given in /in/SPH9O on line 6 1
Output for hhvm-3.10.0
Warning: json_decode() expects parameter 1 to be string, array given in /in/SPH9O on line 26 1
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/SPH9O on line 12
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/SPH9O on line 12
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/SPH9O on line 12
Process exited with code 255.