3v4l.org

run code in 300+ PHP versions simultaneously
<?php $payload = array( 'email' => 'void@example.com', 'password' => 'mysupersecretpassword', 'key' => API_KEY );
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Uncaught Error: Undefined constant "API_KEY" in /in/Fcvsc:5 Stack trace: #0 {main} thrown in /in/Fcvsc on line 5
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Use of undefined constant API_KEY - assumed 'API_KEY' (this will throw an Error in a future version of PHP) in /in/Fcvsc on line 5
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Notice: Use of undefined constant API_KEY - assumed 'API_KEY' in /in/Fcvsc on line 5
Output for 5.6.0 - 5.6.40
Notice: Use of undefined constant API_KEY - assumed 'API_KEY' in /in/Fcvsc on line 6
preferences:
230.82 ms | 401 KiB | 291 Q