Top "Unset" questions

Removing the value associated with a variable or property from the current environment.

Removing http headers in Apache2

On an Apache2.2.9 hosted site, I would like to remove the headers below. Date Thu, 16 Dec 2010 17:49:45 GMT Server Apache Keep-Alive …

apache header unset
delete all keys except one in dictionary

I have a dictionary lang = {'ar':'arabic', 'ur':'urdu','en':'english'} What I want to do is to delete all …

python dictionary unset
unset variable in php

I just read about unset variable through php manual. The php manual says "unset() destroys the specified variables" This def …

php static unset
Remove element from bash array by content (stored in variable) without leaving a blank slot

I have an array list in a bash script, and a variable var. I know that $var appears in ${list[@]}, …

arrays bash unset
How to reset all environment variables?

I want to do : env | egrep -o '^\w+=' | unset The problem is that : env | egrep -o '^\w+=…

linux environment-variables unset linux-mint
php - unset $this

I've made a class that acts like an file wrapper. When user call delete method, i want to unset the …

php file wrapper this unset
Unset an array element inside a foreach loop

I'm accessing an array by reference inside a foreach loop, but the unset() function doesn't seem to be working: foreach ( $…

php arrays reference foreach unset
What is the best method for memory cleanup in PHP? (5.2)

I have two simple questions. What is better/useful for memory cleanup. $var = null; or unset($var); I have one …

php memory-leaks unset
Rearrange array index Eloquent Laravel

I have an error after delete an element from an array of laravel eloquent A property has rooms foreach ($property-&…

php arrays json laravel unset
unset() static variable doesn't work?

See this code: http://codepad.org/s8XnQJPN function getvalues($delete = false) { static $x; if($delete) { echo "array before deleting:\…

php unset