PHP Manual Prev Next srand (PHP 3, PHP 4 ) srand -- Seed the random number generator Description void srand (int seed) Seeds the random number generator with seed. // seed with microseconds since last "whole" second srand ((double) microtime() * 1000000); $randval = rand(); See also rand(), getrandmax(), mt_rand(), mt_srand(), and mt_getrandmax(). Prev Home Next sqrt Up tan

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