PHP generates a custom length random string function

This article mainly introduces PHP to generate custom length random string function sharing, need friends can refer to the following

PHP randomly generated strings can define their own required 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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