Online PHP editor | refs for k7Tfd

<?php $string = 'print the imprint with the imprinted printing paper'; $replacements = array( 'print' => 'imprint', 'imprint' => 'print', 'paper' => 'machine' ); $delimiter = '/'; $words = array_keys( $replacements); $regex = $delimiter . '(' . implode('|', array_map( 'preg_quote', $words, array_fill( 0, count( $words), $delimiter))) . ')' . $delimiter; $result = preg_replace_callback( $regex, function( $match) use( $replacements) { return $replacements[$match[1]]; }, $string); echo $result;