array_values returns an operation instance of an array in php

Some people don’t understand key values very well when it comes to some operations on arrays. In order to facilitate everyone to better return some values, this article introduces the array_values() function, which can directly return the array after use. Let’s introduce the definition, syntax, parameters, return values, and instances of the array_values() function. Let’s take a look at the method of returning an array.

1. Definition

The array_values() function returns an array containing all key values in a given array, but does not retain the key names.

2. Syntax

array_values(array)

3. Parameters

array

4. Return value

Returns an array containing all the values in the array.

5. Example

<?php
$lu='';
$js= file_get_contents($lu);
$okjson=json_decode($js,true);
var_dump($okjson);
/*array(1) { ["this"]=> array(3) {
[0]=> array(2) { ["name"]=> string(1) "a" ["url"]=> string(2) "aa" }
[1]=> array(2) { ["name"]=> string(1) "b" ["url"]=> string(2) "bb" }
[2]=> array(2) { ["name"]=> string(1) "c" ["url"]=> string(2) "cc" } } }
*/
unset($okjson["this"][1]);
var_dump($okjson);
/*
array(1) { ["this"]=> array(2) {
[0]=> array(2) { ["name"]=> string(1) "a" ["url"]=> string(2) "aa" }
[2]=> array(2) { ["name"]=> string(1) "c" ["url"]=> string(2) "cc" } } }
*/
$okjson['this'] = array_values($okjson['this']);
var_dump($okjson);
/*
array(1) { ["this"]=> array(2) {
[0]=> array(2) { ["name"]=> string(1) "a" ["url"]=> string(2) "aa" }
[1]=> array(2) { ["name"]=> string(1) "c" ["url"]=> string(2) "cc" } } }
*/
?>

PHP array_values() function instance extension:

Example

Returns all values of the array (non-key names):

<?php
$a=array("Name"=>"Bill","Age"=>"60","Country"=>"USA");
print_r(array_values($a));
?>