Question

How to use array_rand() function to returns one or more random keys from an array in PHP

Answer 1

$arr = array("a"=>"ddd", "b"=>"ccc", "c"=>"aaa", "d"=>"bbb", "e"=>"eee");
print_r(array_rand($arr));
 
 
/*
run:

b 
   
*/

 

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Answer 2

$arr = array("a"=>"ddd", "b"=>"ccc", "c"=>"aaa", "d"=>"bbb", "e"=>"eee");
print_r(array_rand($arr, 2));
 
 
/*
run:

Array ( [0] => a [1] => d ) 
   
*/

 

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