Online PHP editor | refs for iDcLR

<?php $config = array( 'ciao' => 'come', 'va' => 'bene', 'tu' => 'ok' ); $configString = ' '; $configArray = array(); array_walk($config, function($value, $key) use(&$configString, &$configArray) { $configString .= $key . '=' . $value . ' '; $configArray[] = $key . '=' . $value; }); echo $configString; print_r($configArray);