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

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 )