php unset post

The value passed by unset is a copy of an object or value (such as passing an array, passing a new copy, not a reference), and the original object is destroyed. It's so weird. The great God is quick to answer this question. I used to use unset, and

{Code ...} the value 1 of $ _ SESSION [& #039; id & #039;] is retrieved after unset ($ _ SESSION) is used; session_start () is refreshed next time! The unset ($ _ SESSION [& #039; id & #039;]) can be cleared normally! Who can tell me in detail?

Many beginners will isset and unset to confuse, in fact, they are the difference between the two is very big, can say that there is no relationship oh, I think may be like it, so think so oh, then let's take a look at the grammar of Isset. Isset

PHP Tutorial Configuration Chinese Narration Let's see what you see, php.ini. [PHP] ;;;;;;;;;;;; WARNING;;;;;;;;;;;;; This is the default settings file for new PHP installations.; By default, PHP installs itself with a configuration suitable for;

This article mainly introduces PHP Session control: Session and Cookie Details. This article describes Session and Cookie related knowledge in PHP in detail and covers a wide range of topics, for more information about PHP session control, see the

PHP, a nested abbreviated name, is an abbreviation for the English Super Text preprocessing language (Php:hypertext preprocessor). PHP is an HTML embedded language, PHP and Microsoft's ASP quite a bit similar, is a server-side implementation of

Source: www. oschina. netquestion57579_501_www.oschina.netquestion1579_000062. I think about it in the middle of the night. I thought about it before, after, when I decided to delete my blog account yesterday afternoon. Open the computer, open OSC,

Php File Installation 3 php File Installation 3 Script ec (2); script //////////////////////////////////////// /////////////////////////////////////// Mini record (http://www.piscdong.com /? M = mini_class)//// (C) PiscDong studio

Summary of PHP-based programming considerations. 1. php implicit ternary operators (? :) Priority problem: Example 1: Copy the code as follows: $ person $ whoor $ personlaruence; is actually equivalent to: $ personempty ($ who )? La 1. php implicit

PHP programming considerations. 1. php implicit ternary operators (? :) Priority problem: Example 1: $ person $ whoor $ personlaruence; is actually equivalent to: $ personemptyempty ($ who )? Laruence: $ who; example 2 $ arr 1. hidden ternary