How php modifies a value in an array

This article mainly introduces "php how to modify a value in the array" related knowledge, editor through the actual case to show you the operation process, the method of operation is simple and fast, practical, I hope that this "php how to modify a value in the array" article can help you solve the problem.

Two modification methods: 1, access the specified array elements and re-assign values, the syntax "array name [subscript] = new value;" or "array name [" key name] = new value; "; 2, with array_splice () from the specified location to replace a specified element, syntax" array_splice (array, start position, 1, replace value) ".

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

Two methods for php to modify a value in an array

Method 1: access the specified array elements and reassign them

Syntax:

Array name [subscript] = new value; / / indexed array name ["key name"] = new value; / / associative array

Example 1:

Example 2:

Method 2: using array_splice ()

Use array_splice () to modify a value in the array by replacing a specified element from the specified location.

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