Question

How to check if an array is associative or sequential (list) array in PHP

Answer 1

$array_list = array('a', 'b', 'c', 'd');
$associative_array = array(1 => "php", "a" => "javascript", 3 => "css");
   
  
if (array_values($array_list) !== $array_list)
    echo "yes <br />";
else
    echo "no <br />";
    
    
if (array_values($associative_array) !== $associative_array)
    echo "yes <br />";
else
    echo "no <br />";


   
/*
run:
    
no 
yes
    
*/

 

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