What Does `=>` Mean in PHP Associative Arrays and `foreach` Loops?

` Mean in PHP Associative Arrays and `foreach` Loops? " />

Understanding the Purpose of "=>" in PHP

The => operator in PHP is commonly used to represent "equal or greater than" in comparisons. However, it can have a different meaning when used in the context of associative arrays.

In the provided code:

the => separator assigns the key of the associative array to the variable $user and the corresponding value to $pass.

For example, consider the following associative array:

When iterating over this array using the provided code, the following output will be generated:

This demonstrates how the => operator allows us to access both the keys and values of an associative array within the foreach loop.

It's important to note that the => separator can also be used with numerically indexed arrays. In such cases, it assigns the index value to $user and the corresponding element value to $pass.

The above is the detailed content of What Does `=>` Mean in PHP Associative Arrays and `foreach` Loops?. For more information, please follow other related articles on the PHP Chinese website!