3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo preg_match('/[0-9]+{2}/', 2222); ?>
Output for 7.3.12 - 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
Warning: preg_match(): Compilation failed: quantifier does not follow a repeatable item at offset 8 in /in/MFghV on line 1
Output for 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, 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 - 7.1.20, 7.2.0 - 7.2.33
Warning: preg_match(): Compilation failed: nothing to repeat at offset 8 in /in/MFghV on line 1
Output for 4.3.0 - 4.3.10
Warning: Compilation failed: nothing to repeat at offset 8 in /in/MFghV on line 1

preferences:
260.47 ms | 401 KiB | 355 Q