3v4l.org

run code in 300+ PHP versions simultaneously
<?php $json = <<<JSON [ { "foo": "bar", "subject": "some subject" }, { "qux": "baz", "subject": "some other subject" } ] JSON; $data = json_decode($json, true); // true is important otherwise will get a stdObject - not an array $subjects = array(); foreach ($data as $a) { $subjects[] = $a['subject']; } var_dump($subjects);
Output for 5.2.0 - 5.2.17, 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
array(2) { [0]=> string(12) "some subject" [1]=> string(18) "some other subject" }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.1, 5.1.3 - 5.1.6
Fatal error: Call to undefined function json_decode() in /in/AIr3N on line 16
Process exited with code 255.
Output for 5.1.2
Fatal error: Call to undefined function json_decode() in /in/AIr3N on line 17
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_decode() in /in/AIr3N on line 16
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.1, 4.4.3 - 4.4.4
Fatal error: Call to undefined function: json_decode() in /in/AIr3N on line 16
Process exited with code 255.
Output for 4.4.2
Fatal error: Call to undefined function: json_decode() in /in/AIr3N on line 17
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_decode() in /in/AIr3N on line 16
preferences:
268.45 ms | 401 KiB | 460 Q