Monday, June 15, 2026
HomeLanguagesRemoving Array Element and Re-Indexing in PHP

Removing Array Element and Re-Indexing in PHP

In order to remove an element from an array, we can use unset() function which removes the element from an array and then use array_values() function which indexes the array numerically automatically.

Function Used:

  1. unset(): This function unsets a given variable.
    Syntax:

    void unset ( mixed $var [, mixed $... ] )
  2. array_values(): This function returns all the values from the array and indexes the array numerically.
    Syntax:

    array array_values ( array $array )

Example 1:




<?php 
$arr1 = array(
  
    'neveropen', // [0]
    'for', // [1]
    'neveropen' // [2]
  
);
  
// remove item at index 1 which is 'for'
unset($arr1[1]); 
  
// Print modified array
var_dump($arr1);
  
// Re-index the array elements
$arr2 = array_values($arr1);
  
// Print re-indexed array
var_dump($arr2);
?>


Output:

array(2) {
  [0]=>
  string(5) "neveropen"
  [2]=>
  string(5) "neveropen"
}
array(2) {
  [0]=>
  string(5) "neveropen"
  [2]=>
  string(5) "neveropen"
}

We can also use array_splice() function which removes a portion of the array and replaces it with something else.
Example 2:




<?php 
$arr1 = array(
    'neveropen', // [0]
    'for', // [1]
    'neveropen' // [2]
);
  
// remove item at index 1 which is 'for'
array_splice($arr1, 1, 1); 
  
// Print modified array
var_dump($arr1);
?>


Output:

array(2) {
  [0]=>
  string(5) "neveropen"
  [1]=>
  string(5) "neveropen"
}

PHP is a server-side scripting language designed specifically for web development. You can learn PHP from the ground up by following this PHP Tutorial and PHP Examples.

RELATED ARTICLES

Most Popular

Dominic
32515 POSTS0 COMMENTS
Milvus
131 POSTS0 COMMENTS
Nango Kala
6897 POSTS0 COMMENTS
Nicole Veronica
12013 POSTS0 COMMENTS
Nokonwaba Nkukhwana
12109 POSTS0 COMMENTS
Shaida Kate Naidoo
7019 POSTS0 COMMENTS
Ted Musemwa
7262 POSTS0 COMMENTS
Thapelo Manthata
6976 POSTS0 COMMENTS
Umr Jansen
6964 POSTS0 COMMENTS