PHP中list方法用法示例

<?phpfunction small_numbers(){  return array (0, 1, 2);}list ($zero, $one, $two) = small_numbers();var_dump($zero);var_dump($one);var_dump($two);?>

int(0)int(1)int(2)

<?phpfunction small_numbers(){  return array (0, 1);}list ($zero, $one, $two) = small_numbers();var_dump($zero);var_dump($one);var_dump($two);?>

Notice: Undefined offset: 2 in D:/xampp/htdocs/t/test.php on line 6int(0)int(1)NULL

<?phpfunction small_numbers(){  return array (0, 1 ,2 ,3);}list ($zero, $one, $two) = small_numbers();var_dump($zero);var_dump($one);var_dump($two);?>

int(0)int(1)int(2)

<?phpfunction small_numbers(){  return array (0, 1 , array('2'));}list ($zero, $one, $two) = small_numbers();var_dump($zero);var_dump($one);var_dump($two);?>

int(0)int(1)array(1) {[0]=>string(1) "2"}