The array_rand function returns a random key or array of random keys (in the case of multiple keys) from an array. You will get more understanding after going through the syntax and example of the function.
What is the syntax of the array_rand function in PHP?
array_rand(array, number)
| Parameter | Description |
|---|---|
| array | The array from which the random key is to be selected – Required |
| number | Number of random keys to return from array – Optional |
Examples of array_rand function
<?php
$arr=array("a"=>"1","b"=>"2","c"=>"3","d"=>"4");
print_r(array_rand($arr,1));
?>In the above example, the output will contain random keys from the given array.
<?php
$arr=array("blue","green","red","pink","brown");
$random=array_rand($arr,3);
echo $a[$random[0]];
echo $a[$random[1]];
echo $a[$random[2]];
?>In the above example, we return multiple random keys from the array.
