3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(substr(array(1,2,3)));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Fatal error: Uncaught ArgumentCountError: substr() expects at least 2 arguments, 1 given in /in/Wv7mR:3 Stack trace: #0 /in/Wv7mR(3): substr(Array) #1 {main} thrown in /in/Wv7mR on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: substr() expects at least 2 parameters, 1 given in /in/Wv7mR on line 3 NULL
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Warning: Wrong parameter count for substr() in /in/Wv7mR on line 3 NULL

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