Hướng dẫn php random array
(PHP 4, PHP 5, PHP 7, PHP 8) array_rand — Pick one or more random keys out of an array array_rand(array The input array. Specifies how many entries should
be picked. When picking only one entry, array_rand() returns the key for a random entry. Otherwise, an array of keys for the random entries is returned. This is done so that random keys can be picked from the array as well as random values. If multiple keys are returned, they will be returned in the order they were present in the original array. Trying to pick more elements than there are in the array will result in
an Example #1 array_rand() example Anonymous ¶ 12 years ago Anonymous ¶ 10 years ago
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