php array_rand() function

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n. The padding between the heel of the shoe and the sole, edge

Plural: rands rand

php array_rand() function syntax

Function:Returns a random key name in the array, or if you specify that the function returns more than one key name, returns an array containing random key names.

Syntax:array_rand(array,number)

##Parameters:

Description:Randomly select one or more elements from the array and return it. The second parameter is used to determine how many elements to select. If more than one element is selected, an array containing a random key is returned, otherwise the key of the element is returned.

php array_rand() function example

"; echo $a[$rand_keys[1]]."
"; echo $a[$rand_keys[2]]; ?>

Output:

php中文网 讲师 无忌哥哥

"; echo $a[$random_keys[1]]."
"; echo $a[$random_keys[2]]; ?>

Output:

red green brown