How to discard key in php

To delete the element of the specified key in the array, you can use unset directly:

Related recommendations: "php Basic Tutorial"

<?php 
$arr = array(&#39;a&#39;,&#39;b&#39;,&#39;c&#39;,&#39;d&#39;); 
unset($arr[1]); 
print_r($arr);  
?>

The result is Array ([0] => a [2] => c [3] => d )

The above is the detailed content of How to discard key in php. For more information, please follow other related articles on the PHP Chinese website!