3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = array( array( 'name' => 'Test', 'md5' => md5('Test'), 'priority' => 0 ), array( 'name' => 'Test 2', 'md5' => md5('Test 2'), 'priority' => 1 ), ); echo json_encode($x);
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 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 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
[{"name":"Test","md5":"0cbc6611f5540bd0809a388dc95a615b","priority":0},{"name":"Test 2","md5":"605e79544a68819ce664c088aba92658","priority":1}]
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6
Fatal error: Call to undefined function json_encode() in /in/rhXWL on line 16
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: json_encode() in /in/rhXWL on line 16
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_encode() in /in/rhXWL on line 16
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: json_encode() in /in/rhXWL on line 16
preferences:
273.99 ms | 401 KiB | 355 Q