3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'hello world, world!'; var_dump(preg_match('/\Gworld/', $string, $matches, 0, 6));
Output for 4.3.3, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
int(1)
Output for 4.3.2
Warning: Wrong parameter count for preg_match() in /in/JnMvP on line 5 NULL
preferences:
90.7 ms | 2306 KiB | 4 Q