PHP Source Code Analysis DZX1.5 random number function _php Tutorial

PHP Source Code Analysis DZX1.5 random number function

The example of PHP source code Analysis of the DZX1.5 random number function. Share to everyone for your reference. Specific as follows:

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/** * @param int $length: Random number length * @param int $numeric: 0 or not 0, where 0 means that the random number consists of a full number, not 0 means that the random number consists of a full letter * @return string: Returns the generated random number */ function random ($length, $numeric = 0) { $seed = Base_convert (MD5 (microtime () $_server[' Document_root '), $numeric? 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 ' '; echo Random (' 15 '); /*end of php*/

The results of the operation are as follows:

228283270677112

Sjqffsu76994qfs

I hope this article is helpful to everyone's PHP programming.

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