3v4l.org

run code in 300+ PHP versions simultaneously
<?php if (preg_match_all("/([*+\/-]?)([0-9]+\.?[0-9]*)/", "+100*25-30", $match)) { print_r( $match); }
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
Array ( [0] => Array ( [0] => +100 [1] => *25 [2] => -30 ) [1] => Array ( [0] => + [1] => * [2] => - ) [2] => Array ( [0] => 100 [1] => 25 [2] => 30 ) )
preferences:
166.11 ms | 408 KiB | 5 Q