Php Array Random Function, array_rand(), Returns element Keys, Syntax Example

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Php Array Random Function

Tutorials »Php »

Topic

What is array_rand Function?

Explanation

The "array_rand" function returns a random element key from an array, or it returns an array of random keys if required. This has to be specified.

Syntax:

    array_rand(array,number)

In the above syntax "array" specifies the array from which the "number" of keys to be displayed, by default is its 1.

Example:

    <?php
    $b=array("c"=>"Cherry","b"=>"Strawberry");
    print_r(array_rand($b,1));
    ?>

Result:

In the above example a random key is displayed as the "number" of keys is specified as 1.

A Note

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