How to remove values ​​from an array in php

The way PHP removes values ​​from an array is through the array_splice() function. This function removes a selected element from an array and replaces it with a new element. The specific usage method is: [array_splice($a1,0,2,$a2);].

array_splice() function removes the selected element from an array and replaces it with a new element. The function will also return an array of removed elements.

(Recommended tutorial: php tutorial)

Function syntax:

array_splice(array,start,length,array)

Code implementation:

<?php
$a1=array("a"=>"red","b"=>"green","c"=>"blue","d"=>"yellow");
$a2=array("a"=>"purple","b"=>"orange");
array_splice($a1,0,2,$a2);
print_r($a1);
?>

Print results:

Array ( [0] => purple [1] => orange [c] => blue [d] => yellow )

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