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run code in 150+ php & hhvm versions
Bugs & Features
<?php function isJson($string) { json_decode($string); return (json_last_error() == JSON_ERROR_NONE); } $a=['arraiii'=>['dentro'=>234]]; var_dump(isJson($a));
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Warning: json_decode() expects parameter 1 to be string, array given in /in/80SOE on line 6 bool(true)
Output for 5.2.3 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/80SOE on line 12
Process exited with code 255.
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.2
<br /> <b>Parse error</b>: syntax error, unexpected '[' in <b>/in/80SOE</b> on line <b>12</b><br />
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
<br /> <b>Parse error</b>: parse error, unexpected '[' in <b>/in/80SOE</b> on line <b>12</b><br />
Process exited with code 255.
Output for 4.3.2 - 4.3.4
<br /> <b>Parse error</b>: parse error in <b>/in/80SOE</b> on line <b>12</b><br />
Process exited with code 255.