3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr_compare('routes', '[]', -2,2);
Output for 7.3.30 - 7.3.33, 7.4.5, 7.4.20, 7.4.23 - 7.4.33, 8.0.1, 8.0.5 - 8.0.7, 8.0.9 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
661014
Output for 5.1.0 - 5.1.2, 5.1.5 - 5.1.6, 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 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.29, 7.4.0 - 7.4.4, 7.4.6 - 7.4.16, 7.4.21 - 7.4.22, 8.0.0, 8.0.2 - 8.0.3, 8.0.8
10
Output for 5.1.3 - 5.1.4
Warning: substr_compare(): The start position cannot exceed initial string length in /in/c9Gc5 on line 2
Output for 5.0.0 - 5.0.5
-91
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: substr_compare() in /in/c9Gc5 on line 2
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/c9Gc5 on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: substr_compare() in /in/c9Gc5 on line 2

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243.75 ms | 401 KiB | 366 Q