Program to delete an element from array using unset() function in PHP

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Given an array of elements, we have to delete an element from the array by using the unset() function.

Input : $arr = array(1, 2, 6, 7, 8, 9);
unset($arr[3]);
Output : Array
(
[0] => 1
[1] => 2
[2] => 6
[4] => 8
[5] => 9
)

<?php

$a = array(1, 8, 9, 7, 3, 5, 4, );

// unset command accepts 3rd index and
// thus removes the array element
// at that position
unset($a[5]);

print_r ($a);

Output:

Array
(
    [0] => 1
    [1] => 8
    [2] => 9
    [3] => 7
    [4] => 3
    [6] => 4
)

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