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run code in 300+ PHP versions simultaneously
<?php $name = 'a'; echo substr_compare($name, '[]', -2, 2);
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 - 7.1.33, 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 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
6
Output for 5.2.2 - 5.2.17
Warning: substr_compare(): The length cannot exceed initial string length in /in/jdOJe on line 3
Output for 5.1.3 - 5.1.6, 5.2.0 - 5.2.1
Warning: substr_compare(): The start position cannot exceed initial string length in /in/jdOJe on line 3
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.2
-91
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: substr_compare() in /in/jdOJe 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: substr_compare() in /in/jdOJe on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: substr_compare() in /in/jdOJe on line 3

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249.58 ms | 401 KiB | 338 Q