Online PHP editor | refs for kP2eI

<?php $text = '[_wc_acof_6] i want to convert this and it contains also this [_wc_acof_9] or can be this [_wc_acof_11] number can never be static'; $replacements = [ '6' => 'NEW_VALUE_FOR_6_KEY', '9' => 'NEW_VALUE_FOR_9_KEY' ]; echo preg_replace_callback('~\[_wc_acof_(\d+)]~', function($m) use ($replacements){ return isset($replacements[$m[1]]) ? $replacements[$m[1]] : $m[0]; }, $text);