Home > Article > Backend Development > How to use list method in PHP
This article mainly introduces the usage of the list method in PHP, and analyzes the relevant operating skills and precautions for assigning array values to variables using the list method in the form of examples. Friends in need can refer to the following
for details As follows:
<?php function small_numbers() { return array (0, 1, 2); } list ($zero, $one, $two) = small_numbers(); var_dump($zero); var_dump($one); var_dump($two); ?>
Output:
int(0) int(1) int(2)
Change it
<?php function small_numbers() { return array (0, 1); } list ($zero, $one, $two) = small_numbers(); var_dump($zero); var_dump($one); var_dump($two); ?>
Output:
Notice: Undefined offset: 2 in D:\xampp\htdocs\t\test.php on line 6 int(0) int(1) NULL
Change it again
<?php function small_numbers() { return array (0, 1 ,2 ,3); } list ($zero, $one, $two) = small_numbers(); var_dump($zero); var_dump($one); var_dump($two); ?>
Output:
int(0) int(1) int(2)
Change it again and learn by drawing inferences
<?php function small_numbers() { return array (0, 1 , array('2')); } list ($zero, $one, $two) = small_numbers(); var_dump($zero); var_dump($one); var_dump($two); ?>
Output:
int(0) int(1) array(1) { [0]=> string(1) "2" }
The above is the entire content of this article, I hope it will be helpful to everyone's learning.
Related recommendations: Detailed explanation of the usage of str_pad() function in
Detailed explanation of bind_param() function usage inphpMethod to implement PDO-based preprocessing
The above is the detailed content of How to use list method in PHP. For more information, please follow other related articles on the PHP Chinese website!