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run code in 300+ PHP versions simultaneously
<?php function isJson($string) { json_decode($string); return (json_last_error() == JSON_ERROR_NONE); } $str1 = '{ "firstName": "Bidhan" "lastName": "Chatterjee", "age": 40, "email":"bidhan@example.com" }'; $x=isJson($str1); echo $x; ?>
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 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
Output for 5.2.0 - 5.2.17
Fatal error: Call to undefined function json_last_error() in /in/cabK8 on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/cabK8 on line 4
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/cabK8 on line 4
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_decode() in /in/cabK8 on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/cabK8 on line 4
preferences:
260.31 ms | 401 KiB | 457 Q