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<?php function startsWith($haystack, $needle) { // search backwards starting from haystack length characters from the end return $needle === "" || strrpos($haystack, $needle, -strlen($haystack)) !== false; } $mustcontain = 'url/sub/dir/'; $links = array ( 0 => 'url/sub/dir/1234', 1 => 'url/sub/dir/', 2 => 'url/13214124', 3 => 'url/sub/123123123123', ); $finalArr = array(); foreach($links as $v){ if(startsWith($v, $mustcontain)){ $finalArr[] = $v; } } print_r($finalArr);
Output for 5.5.0 - 7.2.6
Array ( [0] => url/sub/dir/1234 [1] => url/sub/dir/ )