How to delete the specified key value in the array in php

The method for PHP to delete the specified key value in the array is: [unset(array name[key name]);]. The unset() function is used to destroy a given variable. For example, if we want to destroy a single array element, the specific code is as follows: [unset ($bar['quux']);].

Function introduction:

(Recommended tutorial: php tutorial)

unset() function Used to destroy the given variable.

Syntax:

void unset ( mixed $var [, mixed $... ])

For example, if we want to destroy a single array element, the specific code is:

unset ($bar['quux']);

Code implementation:

<?php
$data=array (“0”=>1,“1”=>1,“2”=>1);
unset($data[0]);	
print_r($data);    
array (“1”=>1,“2”=>1);

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