shuffle

(PHP 3>= 3.0.8, PHP 4 , PHP 5)

shuffle -- Shuffle an array

Description

void shuffle ( array array)

This function shuffles (randomizes the order of the elements in) an array.

Example 1. shuffle() example

<?php
$numbers
= range(1, 20);
srand((float)microtime() * 1000000);
shuffle($numbers);
while (list(,
$number) = each($numbers)) {
    echo
"$number ";
}
?>

Note: As of PHP 4.2.0, there is no need to seed the random number generator with srand() or mt_srand() as this is now done automatically.

See also arsort(), asort(), ksort(), rsort(), sort(), and usort().


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