3v4l.org

run code in 300+ PHP versions simultaneously
<?php $json = '{"multicast_id":123456,"success":0,"failure":1,"canonical_ids":0,"results":[{"error":"InvalidRegistration"}]}'; $b = json_decode($json); print_r($b); var_dump($b["results"]); ?>
Output for 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
stdClass Object ( [multicast_id] => 123456 [success] => 0 [failure] => 1 [canonical_ids] => 0 [results] => Array ( [0] => stdClass Object ( [error] => InvalidRegistration ) ) ) Fatal error: Uncaught Error: Cannot use object of type stdClass as array in /in/Q3tO6:5 Stack trace: #0 {main} thrown in /in/Q3tO6 on line 5
Process exited with code 255.
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
stdClass Object ( [multicast_id] => 123456 [success] => 0 [failure] => 1 [canonical_ids] => 0 [results] => Array ( [0] => stdClass Object ( [error] => InvalidRegistration ) ) ) Fatal error: Cannot use object of type stdClass as array in /in/Q3tO6 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/Q3tO6 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/Q3tO6 on line 3
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/Q3tO6 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/Q3tO6 on line 3

preferences:
265.05 ms | 401 KiB | 459 Q