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The PHP array_splice() function removes a part of an array and replaces it with other values
array_splice ( $input, $offset [,$length [,$replacement]] );
This function frominputelements fromoffsetandlengthspecified elements, andreplacementArray elements (if provided) replace them. It returns an array containing the extracted elements.
Note that the numeric keys in input are not retained.
| Number | Parameters and descriptions |
|---|---|
| 1 | input(required) It specifies an array |
| 2 | offset It specifies where the function will start deleting elements. 0=first element. |
| 3 | length(optional) It specifies the number of elements to delete and the length of the returned array. |
| 4 | replacement(optional) It specifies an array that contains the elements to be inserted into the original array. |
Returns an array containing the removed elements.
Using array_splice to modify an array
<?php
$input = array("red", "black", "pink", "white");
array_splice($input, 2);
print_r($input);
print_r("<br />)
$input = array("red", "black", "pink", "white");
array_splice($input, 1, -1);
print_r($input);
print_r("<br />)
$input = array("red", "black", "pink", "white");
array_splice($input, 1, count($input), "orange");
print_r($input);
print_r("<br />)
$input = array("red", "black", "pink", "white");
array_splice($input, -1, 1, array("black", "maroon"));
print_r($input);
print_r("<br />)
$input = array("red", "black", "pink", "white");
array_splice($input, 3, 0, "purple");
print_r($input);
print_r("<br />)
?>Test and see‹/›Output result:
Array ( [0]=>red [1] =>black ) Array ( [0]=>red [1] =>white ) Array ( [0]=>red [1] =>orange ) Array ( [0]=>red [1] =>black [2pink [3] =>black [4maroon ) Array ( [0]=>red [1] =>black [2pink [3purple [4white )