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In php, we can get a random value from an array with this function “array_rand()”. this is an inbuilt function in php which is used to fetch a random number of elements from an array.
This function accepts two parameters $array and $num. The $array variable store the array elements and $num parameter holds the number of elements need to fetch. By default value of this parameter is 1.
syntax
array_rand( $array, $num )
example
<?php
$color = array( "yellow","red","orange","black","white","blue","pink");
$rcolor = array_rand( $color, 2 );
echo "<pre>";
print_r($rcolor);
echo "</pre>";
echo $color[$rcolor[0]]. "<br>";
echo $color[$rcolor[1]]
?>output
Array
(
[0] => 5
[1] => 6
)
blue
pink