getrandmax

(PHP 4, PHP 5)

getrandmax — 显示随机数最大的可能值

int getrandmax ( void )

返回调用 rand() 可能返回的最大值。

Last updated: Mon, 26 Nov 2007

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getrandmax

siska dot jakub at gmail dot com
01-Sep-2008 09:03


under winXP, php5.2.6 

getrandmax() returns 32767 (2^15-1) while on that same machine 

mt_getrandmax() returns 2147483647 (2^31-1)

Anonymous
10-Apr-2008 04:06


it returns 2147483647: (2^31) - 1

stefan at aks-host dot de
02-Jan-2008 03:09


under win2k3, php5.2.5, it returns 32767...

chax-phpnet at i-rpg dot net
02-Dec-2007 11:27


it returns 2147483647 (2^31) for both i386 and x86_64 under GNU/Linux.

Last updated: Mon, 26 Nov 2007