DZX1.5 random number function random usage of PHP source code analysis

This article describes the PHP source code Analysis of DZX1.5 random number function random usage. Share to everyone for your reference. as follows:

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<?php/** * @param int $length: Random number length * @param int $numeric: 0 or not 0, where 0 indicates that the random number consists of a full number, and a non 0 indicates that the random number consists of a full letter * @return string: Returns the generated Number of machines/function random ($length, $numeric = 0) {$seed = Base_convert (MD5 (Microtime (). $_server[' Document_root ')), $numer Ic? 10:35); $seed = $numeric? (Str_replace (' 0 ', ', $seed). " 012340567890 '): ($seed. ' ZZ '. Strtoupper ($seed)); $hash = '; $max = strlen ($seed)-1; for ($i = 0; $i < $length; $i + +) {$hash. = $seed {mt_rand (0, $max)};} return $hash; } Echo Random (' 15 ', 1); echo ' <br/> '; echo Random (' 15 '); /*end of php*/

The results of the operation are as follows:

228283270677112

Sjqffsu76994qfs

I hope this article will help you with your PHP program design.