3v4l.org

run code in 500+ PHP versions simultaneously
<?php $haystack = [0,0,0,1,1,0,1,1,0,0,1,1,0,0,1]; $needle = [1,1,0]; $regex = sprintf( '/(?<=%s,)\d+/', implode(',', $needle) ); var_export( preg_match_all($regex, implode(',', $haystack), $m) ? $m[0] : [] );
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.21, 8.5.0 - 8.5.7
array ( 0 => '1', 1 => '0', 2 => '0', )

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87.1 ms | 1258 KiB | 4 Q