A handy function to check for an array if all key do exist and none of them has an empty value

array_keys_not_empty.php

/**
 * Check an array if all key to exists and none of them has an empty value
 *
 * @param array $array The array.
 * @param array $keys The searched keys.
 * @return boolean returns true, if all keys existed in the array and none of them had empty values
 */
function array_keys_not_empty($keys, $array){
	
	foreach($keys as $key){
		if(!array_key_exists($key, $array) || empty($array[$key])){
			return false;
		}
	}
	
	return true;
}