<?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] : [] );
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