How to delete the first element of an array in PHP?

#PHP How to delete the first element of an array?

In PHP, you can delete the first element of the array by using the "array_shift()" function. The function of this function is to move the unit at the beginning of the array out of the array. Its syntax is "array_shift($array)" ”, its parameter $array represents the input array, and the return value is the removed element value.

Sample code

<?php
$stack = array("orange", "banana", "apple", "raspberry");
$fruit = array_shift($stack);
print_r($stack);
?>

Result

Array
(
    [0] => banana
    [1] => apple
    [2] => raspberry
)

<?php

function array_kshift(&$arr)
{
  list($k) = array_keys($arr);
  $r  = array($k=>$arr[$k]);
  unset($arr[$k]);
  return $r;
}

// test it on a simple associative array
$arr = array(&#39;x&#39;=>&#39;ball&#39;,&#39;y&#39;=>&#39;hat&#39;,&#39;z&#39;=>&#39;apple&#39;);

print_r($arr);
print_r(array_kshift($arr));
print_r($arr);

?>

Output:

Array
(
    [x] => ball
    [y] => hat
    [z] => apple
)
Array
(
    [x] => ball
)
Array
(
    [y] => hat
    [z] => apple

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