Explain the difference between cookie and session in PHP and cookie and Session usage Summary _php example

Specifically, cookies are stored in the "client" and the session is stored on the "server" Cookies are implemented by extending the HTTP protocol Cookies mainly include: name, value, expiration time, path and domain; If the cookie is not set to a

PHP Analog post_ Validation page return status (instance explanation) _php instance

1. The main document, accessed by the page, sets the return status header (' http/1.1 '. $code. ') of this file according to the return result of the "Validate page". '. $_status[$code]) Copy Code code as follows: Ini_set (' Max_execution_

Http 1.1 Etag and last-modified improve PHP efficiency _php skills

In today's Blog, some Web applications need to parse a lot of RSS feeds. How to improve efficiency is a very important issue. This is listed in Magpierss 's Features: HTTP Conditional GETs Save bandwidth and speed up download Intelligent use of last-

PHP error Log Simple configuration method _php Tips

This example describes the method for configuring the error log in PHP. Share to everyone for your reference, specific as follows: Ini: ; Error log log_errors = on ; display error display_errors = off ; log path error_log = "/usr/local/lnmp/

PHP encapsulated Database Save session function class _php tips

This example describes the PHP encapsulated database save session function class. Share to everyone for your reference, specific as follows: PHP saves the session class with the database: table = new Table ("Safe_session"); Private

Also talk about the online number of PHP site statistics _php Skills

function Checkonline ($userid, $tempid =null) { $conn = connect (); For all users First set yourself up for online $stmt = "UPDATE". Db_name. ". USER SET isonline= ' Y ' WHERE userid= '. $userid; $result = Query ($stmt, $conn); info ($stmt); If the

How to invoke asscess database and COM program _php base in PHP via ADO

Author: John Lim. Translation: Znsoft (http://www.phpease.com znsoftm@21cn.com) PHP4 already supports Microsoft's COM technology. However, the documentation is rarely mentioned in the COM section. Here are a few examples that I have tried. I hope

Introduction to XML-read-related functions in PHP a _php technique

Object XML parsing function description Start and end of element Xml_set_element_handler () element Start of character data Xml_set_character_data_handler () character data External entity Xml_set_external_entity_ref_handler () external entity

CodeIgniter PHP MVC framework China site _php Tips

We are pleased to announce the official release of CodeIgniter 1.6.2 Edition. This release includes more than 29 BUG fixes and 34 feature supplements and enhancements. These include improving the interaction of Active record with transactional

Full-featured PHP send mail class code with detailed instructions _php tips

Class Email { ---set global variables var $mailTo = ""; Recipient var $mailCC = ""; Cc var $mailBCC = ""; Secret CC var $mailFrom = ""; Sender var $mailSubject = ""; Theme var $mailText = ""; Letter Body in text format var $mailHTML = ""; Letter

Simple generalization of the difference between single and double quotes in a PHP string _php tips

Today, a friend asked, the next difference, by the way review. Single quotes differ from double quotes: The fields inside the double quotes are interpreted by the compiler and then exported as HTML code. ' Single quotes inside without

100 lines of PHP code to implement SOCKS5 proxy server _php skills

Two days ago in B station to see a small group of paper 100 to assemble a computer hit LOL quality fluent, whim 100 lines of code can (simple) realize what fun. I mainly do PHP development, so there is the article. Of course, because PHP (not

PHP use Phpmailer to send messages using a simple method _php instance

The recent need to use the function of sending mail, originally from the PHP with the Mail () function sent. PHP mail () This method is very simple, convenient, easy to use, but in addition to NetEase mailbox, QQ mailbox, Gmail mailbox and other

PHP template engine smarty Built-in variable mediator usage detailed _php instance

This example describes the PHP template engine smarty built-in variable mediator usage. Share to everyone for your reference, specific as follows: The variable mediator in Smarty is equivalent to a function, which is called by the following "|"

PHP Single case mode is what PHP implements a singleton mode _php instance

One, what is a single case mode? 1, meaning as an object's creation pattern, the singleton pattern ensures that a class has only one instance, and instantiates it and provides it globally to the entire system. Instead of creating an instance copy,

PHP comparison operation and logical operation _php Example

1. The following values are judged to be true with empty (): Unassigned variables, undeclared variables, 0, "0", "", false, NULL, empty array array (), magic Method of Objects __get () value returned by In versions below PHP5.0, objects that do

PHP multidimensional array Sorting implementation code _php skills

Array_multisort (PHP 4, PHP 5) Array_multisort--Sort multiple arrays or multidimensional arrays Description BOOL Array_multisort (array ar1 [, mixed arg [, mixed ... [, array ...]] ) Returns TRUE if successful, and returns FALSE if it

PHP Closed-Package function and the method of using external variables _php tips

This article describes the PHP closure function parameters and the use of external variables method. Share to everyone for your reference, specific as follows: Write two methods in the Laravel controller, one is to create a closure function

PHP template engine smarty The configuration file in the template variable use Method Example _php instance

This example describes how to use the configuration file of the PHP template engine smarty in the template variable. Share to everyone for your reference, specific as follows: The role of a profile in a template is to design the page definition

50 Practical tips for high quality PHP code (top) _php tips

50 of High-quality PHP code practical skills, I hope you like. 1. Do not use relative pathsyou will often see: Require_once ('.. /.. /lib/some_class.php '); This approach has many drawbacks: it first finds the specified PHP include

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