Руководство по PHP
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shuffle

(PHP 3>= 3.0.8, PHP 4 )

shuffle -- Shuffle an array

Description

void shuffle ( array array)

This function shuffles (randomizes the order of the elements in) an array. You must use srand() to seed this function.

Пример 1. shuffle() example

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

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

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