Online PHP editor | refs for VAdQ6

<?php $source = <<<HTML [nav id="1"] [nav id="2"] [nav id="текстовоезначение"] HTML; $source = preg_replace( "#\\[nav id=\"(.+?)\"\\]#is", "<span id=\"\\1\"></span>", $source ); echo $source . PHP_EOL . PHP_EOL; $source = preg_replace( "#<span id=\"(.+?)\"></span>#", "[nav id=\"\\1\"]", $source ); echo $source;