php array only get first array code example

Example 1: get first key of array php

$firstKey = array_key_first($array);

Example 2: php get first element of array

<?php
$stack = array("orange", "banana", "apple", "raspberry");
$fruit = array_shift($stack); //Remove "orange" from array and return it
print_r($stack);
/** OUTPUT:
Array
(
    [0] => banana
    [1] => apple
    [2] => raspberry
)
*/
?>