1--TEST-- 2Test srand() - basic function test for srand() 3--FILE-- 4<?php 5/* Prototype : void srand ([ int $seed ] ) 6 * Description: Seed the random number generator. 7 * Source code: ext/standard/rand.c 8 */ 9 10echo "*** Testing srand() : basic functionality ***\n"; 11 12// Should return NULL if given anything that it can convert to long 13// This doesn't actually test what it does with the input :-\ 14var_dump(srand()); 15var_dump(srand(500)); 16var_dump(srand(500.1)); 17var_dump(srand("500")); 18var_dump(srand("500E3")); 19var_dump(srand(true)); 20var_dump(srand(false)); 21var_dump(srand(NULL)); 22?> 23===Done=== 24--EXPECTF-- 25*** Testing srand() : basic functionality *** 26NULL 27NULL 28NULL 29NULL 30NULL 31NULL 32NULL 33NULL 34===Done=== 35