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Seeds the random number generator with seed. Since PHP 4.2.0, the seed becomes optional and defaults to a random value if omitted.
Not: As of PHP 4.2.0, there is no need to seed the random number generator with srand() or mt_srand() as this is now done automatically.
See also: mt_rand(), mt_getrandmax(), and srand().
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mt_rand | Upp | octdec |