3v4l.org

run code in 300+ PHP versions simultaneously
<?php $haystack = [0,0,0,1,1,0,1,1,0,0,1,1,0,0,1]; $needle = [1,1,0]; $needleCount = count($needle); $result = []; foreach ($haystack as $i => $straw) { $start = $i - $needleCount; if ( $start >= 0 && $needle === array_slice($haystack, $start, $needleCount) ) { $result[] = $straw; } } var_export($result);

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133.38 ms | 405 KiB | 5 Q