3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr("string", "3"); echo substr("string", "string");
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
ing Fatal error: Uncaught TypeError: substr(): Argument #2 ($offset) must be of type int, string given in /in/IXVLA:5 Stack trace: #0 /in/IXVLA(5): substr('string', 'string') #1 {main} thrown in /in/IXVLA on line 5
Process exited with code 255.
Output for 7.3.16 - 7.3.33, 7.4.0 - 7.4.33
ing Warning: substr() expects parameter 2 to be int, string given in /in/IXVLA on line 5
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33
ing Warning: substr() expects parameter 2 to be integer, string given in /in/IXVLA on line 5
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.28
ing Warning: substr() expects parameter 2 to be long, string given in /in/IXVLA on line 5
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
ingstring

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