Example of usage of list method in PHP

黄舟
Release: 2023-03-06 06:16:01
Original
1300 people have browsed it

The example in this article describes the usage of the list method in PHP. Share it with everyone for your reference, the details are 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);
?>
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Output:

int(0)
int(1)
int(2)
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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);
?>
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Output:

Notice: Undefined offset: 2 in D:\xampp\htdocs\t\test.php on line 6
int(0)
int(1)
NULL
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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);
?>
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Output:

int(0)
int(1)
int(2)
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Change it again and learn by drawing inferences

<?php
function small_numbers()
{
  return array (0, 1 , array(&#39;2&#39;));
}
list ($zero, $one, $two) = small_numbers();
var_dump($zero);
var_dump($one);
var_dump($two);
?>
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Output:

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