How to change the value of element array in php

How to change the value of an element array in php: first declare a multi-dimensional array of multiple data types; then modify the value of the element with index 0 through "$data[0] = 'hello world';" ;Finally output the modified structure of the entire array.

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

How does php change the value of an element array?

Let’s go directly to the example:

<?php
//声明一个多数据类型的多维数组
$data = array( &#39;hello&#39;, 2008, array(8,&#39;NBA&#39;), 5 );
//输出原数组
print_r($data); echo "<hr>";
//修改下标为0的元素的值
$data[0] = &#39;hello world&#39;;
//修改下标为2的元素中下标为1的元素的值
$data[2][1] = &#39;FIFA&#39;;
//输出修改后整个数组的结构
print_r("新数组: ".$data);
?>

Output result:

Array ( [0] => hello [1] => 2008 [2] => Array ( [0] => 8 [1] => NBA ) [3] => 5 )
Array ( [0] => hello world [1] => 2008 [2] => Array ( [0] => 8 [1] => FIFA ) [3] => 5 )

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