PHP array_rand() Function

The array_rand() function returns a random key from an array, or it returns an array of random keys if you specify that the function should return more than one key.

Returns a random key from an array, or an array of random keys if you specify that the function should return more than one key

Parameter Description
array Required. Specifies an array
number Optional. Specifies how many random keys to return

Syntax

 array_rand(array,number) 

Example

$array = array("Samuel","Cooper","Lachlan","James","Prince");
$random_keys=array_rand($array,3);
echo $array[$random_keys[0]]."<br>";
echo $array[$random_keys[1]]."<br>";
echo $array[$random_keys[2]];

Output random so, does not fix

Samuel
James
Prince

More Example (Return a random key from an array)

$array=array("a"=>"Samuel","b"=>"Cooper","c"=>"Lachlan","d"=>"James");
print_r(array_rand($array,1));

Output random so, does not fix

c

More Example (Return an array of random string keys)

$array=array("a"=>"Samuel","b"=>"Cooper","c"=>"Lachlan","d"=>"James");
print_r(array_rand($array,2));

Output random so, does not fix

Array ( [0] => b [1] => c ) 

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