PHP generates a custom length random string function _php Tutorial

This article mainly describes the PHP generation of custom-length random string function sharing, the need for friends can refer to the following

PHP randomly generated string can define its own length, in the actual application development, often encountered.

The code is as follows:

Randomly generated string

function Random ($length) {

Srand (Date ("S"));

$possible _charactors = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";

$string = "";

while (strlen ($string) < $length) {

$string. = substr ($possible _charactors, (rand ()% (strlen ($possible _charactors)), 1);

}

return ($string);

}

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