How to modify the value of an array in php

How to modify the value of an array in php: first create a new php file, and use the header() method to set the encoding format of the page to utf-8; then create an array; finally use a foreach loop to traverse the array, and reassign the value.

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

Create a new php file and name it test.php. Used to explain how PHP modifies the values ​​in the array.

In the test.php file, use the header() method to set the encoding format of the page to utf-8.

In the test.php file, create an array for testing.

In the test.php file, use a foreach loop to traverse the array, find the index whose element value is b, and then reassign the index position to modify the elements of the array. value. For example, change array element b to bb.

In the test.php file, use print_r to output the array.

Open the test.php file in the browser to view the results.

Recommended study: "PHP Video Tutorial"

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