PHP srand() Function
Definition and Usage
The srand() function seeds the random number generator (rand()).
Tip: From PHP 4.2.0, the random number generator is seeded automatically and there is no need to use this function.
Syntax
srand(seed);
Parameter Values
| Parameter | Description |
|---|---|
| seed | Optional. Specifies the seed value |
Technical Details
| Return Value: | None |
|---|---|
| Return Type: | - |
| PHP Version: | 4+ |
| PHP Changelog: | PHP 7.1.0: srand() has been an alias of
mt_srand(). PHP 4.2.0: Random number generator is now seeded automatically. |
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