first item in array that code example

Example 1: php get first element of array

$colors = array(2=>"blue",3 =>"green",1=>"red");
$firstValue = reset($colors); //blue
$firstKey = key($colors); //2

Example 2: javascript get first element of array

let array = [1,2,3] // makes your array
array[0] // returns first element of your array.