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n. ??? ???? ?? ??? ??, ????

???: rands rand

PHP mt_rand() ?? ???

mt_rand() ??? ??? ??????

php mt_rand() ??? ???? ???? ??? ???? ?? ?????. ??? mt_rand(X,Y)???. ? ???? ???? ??? X?? ??? ????. ?? Y

??

X

? ???? ?? ?? ??? ?????.

Y

? ???? ?? ??? ?????. ? ???? ???? ??? ?????. ??? ??? ????. X?? ??? ??? Y?? ??? ??

PHP mt_rand() ?? ?

<?php
$i = 1;
$j = 9;
$k = mt_rand($i,$j);
echo "取得的隨機數(shù)為".$k;
?>
rerun ?????

??? ????? ??? "???? ??"??? ??????. ??? ????? ???

??: 

取得的隨機數(shù)為5
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??:

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