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How to convert associative array into index array in php

青灯夜游
青灯夜游Original
2021-06-25 17:36:594562browse

In PHP, you can use the array_values() function to convert an associative array into an index array, the syntax is "array_values(array)"; the array_values() function can return an array containing the values ​​of all array elements, and the returned Arrays will use numeric keys.

How to convert associative array into index array in php

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

What are associative arrays and index arrays

  • Index array: the subscript of the array is a number;

  • Associative array: the subscript of the array is the character

php method to convert an associative array into an index array

In PHP, you can use the array_values() function to convert an associative array into an index array.

array_values() function can get the values ​​of all elements in the array and return an array containing all the values ​​in the array. (The returned array will use numeric keys, starting from 0 and increasing by 1.)

The syntax format of this function is as follows:

array_values(array)

The parameter array is the array being operated on.

array_values() function is to return the values ​​of all elements in the array. It is very simple to use. With only one required parameter, it can return an array containing all the values ​​in the given array, but does not retain the keys. name. The returned array will be in the form of an indexed array, with array indices starting at 0 and increasing by 1.

array_values() function is particularly suitable for arrays with confusing element subscripts, or for converting associative arrays into indexed arrays.

Example: Convert associative array to index array

<?php
header("Content-type:text/html;charset=utf-8");
    $array = array(
        &#39;name&#39;  => &#39;php中文网&#39;,
        &#39;url&#39;   => &#39;http://www.php.cn&#39;,
        &#39;title&#39; => &#39;PHP教程&#39;,
        &#39;article&#39; => &#39;array_rand()函数&#39;
    );
    echo &#39;<pre class="brush:php;toolbar:false">&#39;;
	var_dump($array);
    var_dump(array_values($array));

?>

Output:

How to convert associative array into index array in php

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