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<?php function unsetMultidimensional(&$array, $keys) { $key = array_shift($keys); echo $key."\n"; if(isset($array[$key])) { if(count($keys) === 0) { //Logger::info('Key is successfully removed'); unset($array[$key]); } else if(is_array($array[$key])) { unsetMultidimensional($array[$key], $keys); } else { //Logger::error('Key doesn\'t exist'): $array = false; } } } $array = array( 'foo' => array( 'bar' => 'xyz', 'foo' => array( 'foo' => 'xyz'; ) ) ); $keys = explode('/', 'foo'); unsetMultidimensional($array, $keys); var_dump($keys); var_dump($array); unsetMultidimensional($array, $keys); var_dump($array);