What is the function of the "= & gt;" symbol in PHP

This article mainly explains "what is the function of symbols in PHP". Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Next let the editor to take you to learn "PHP" = > "what is the role of the symbol"!

The "= >" symbol of PHP

In PHP, the "= >" symbol is used to assign key-value pairs in arrays, mainly in associative arrays.

Basic sentence patterns:

Key = > value

Note: the left value of the "= >" symbol is called the key, and the right value is called the key value.

Examples of the use of the "= >" symbol

The following is a simple code example to introduce the use of the "= >" symbol.

Example 1: create an associative array using the "= >" symbol

Output:

Example 2: create a numeric indexed array using the "= >" symbol

Output:

Example 3: used to assign a numeric index without using the "= >" symbol

Output:

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