shuffle

(PHP 3>= 3.0.8, PHP 4 )

shuffle -- Shuffle an array

설명

void shuffle ( array array)

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

예 1. shuffle() example

$numbers = range (1,20);

srand ((double)microtime()*1000000);

shuffle ($numbers);

while (list (, $number) = each ($numbers)) {

    echo "$number ";

}

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