PHP array_rand () function usage and Examples

PHP array_rand () function usage and Examples

Definition and usage
The array_rand () function returns a random key from an array or an array of random keys. If you specify a function, it should return to more than one key.

Syntax

Array_rand (array, number)

Parameter description
Array required. Specify an array
Optional. The default value is 1. Number of random keys returned
 
<? Php $ a = array ("a" => "Dog", "B" => "Cat", "c" => "Horse "); print_r (array_rand ($ a, 1);?>
 
The result is B;
 
Array and string:
 


  
  


   
   
 
    
 
     
<? Php $ a = array ("a" => "Dog", "B" => "Cat", "c" => "Horse "); print_r (array_rand ($ a, 2);?>
 
    
 
   

  
  
 
Output result. array ([0] => c [1] => B)