Tutorials | Application Example Php/mysql SHOPPING cart Program
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if (! $session &&! $scid) {
$session = MD5 (Uniqid (rand ());
Setcookie ("SCID", "$session", Time () + 14400);
}/* Last number are expiration time in seconds, 14400 sec = 4 hrs * *
Through previous studies, we learned about the basic components of YII Web applications and also wrote simple applications like hangman guessing word games. In the first example Yii Framework development Concise Tutorial (1) The first app Hello
Common Application of the CLI
What is PHP-CLI
PHP-CLI is php Command Line Interface the abbreviation, that is, the PHP command line interface, under Windows and Linux are supported PHP-CLI mode;
Why to use PHP-CLI
Multithreaded applications
We are developing the server side of the app, and when it comes to the app, it's often necessary to keep track of URL requests and parameter reception in real time.
But PHP does not have a proprietary console output function like Python or Java,
The process of learning PHP, sorting out some of the commonly used functions, which are array functions.
Array (): Generate an array$a = Array ("Dog", "cat", "horse");Print_r ($a); Array ([0] = dog [1] = cat [2] = = horse)Array_combine ():
We know that in the PHP array is divided into multi-dimensional arrays and one-dimensional arrays, we will explain the PHP multidimensional array and one-dimensional array sorting principle and implementation method.
One-dimensional arrays
The first
It is important to note that Maxmind is the provider of the GeoIP database,
Sample and API documentation are also available in many languages.
For example, PHP, and PHP GeoIP library is very different, including the use of the interface
From PHP 4.1.0, the preferred method for obtaining external variables is to use the Super global variables mentioned below. Before that, people were either dependent on register_globals or long predefined PHP arrays ($HTTP _*_vars). From PHP 5.0.0,
PHP Object-oriented Essentials summary, PHP object-oriented essentials
This article summarizes the Essentials of PHP object-oriented programming. Share to everyone for your reference. The specific analysis is as follows:
1 using extends to
Decimal System Conversion function description, Decimalsystem
One, decimal system conversion function description1, decimal to Binary decbin () function, the following exampleEcho Decbin (12); Output 1100Echo Decbin (26); Output 11010Decbin(PHP 3,
Details the php file directory base operation,
We know that the temporary declaration of the variable is stored in memory, even if it is a static variable, the script will be released after the run, so, want to persist the contents of a variable,
WordPress Learning-plugins-001,-plugins-001
plugins-Plug-in
Akismet (Automattic Kismet) is a widely used spam filtering system, its author is the famous WordPress founder Matt Mullenweg,akismet is also a wordpress default installed plug-in, its use
How PHP generates an RSS feed
The example in this article describes how PHP generates RSS feeds. Share to everyone for your reference. The specific analysis is as follows:
RSS (Simple information aggregation, also known as aggregated content) is a
PHP Closure (Closure) anonymous functions in detail, Closure function of the detailed
PHP's Closure (Closure) is an anonymous function, introduced by PHP5.3.
The syntax of a closure is simple, and the key word to note is that only use,use are
20 Best PHP frameworks for 2014 years
For Web developers, PHP is a very powerful and popular programming language. Many of the world's top sites are based on PHP development. In this article, let's review the 20 best PHP frameworks for 2014 years.
Pure PHP Implementation Timer Task (timer), PHP implementation Timers timer
Timer tasks, common in Web applications, how to use PHP to implement timer tasks, there are roughly two scenarios: 1. Use the crontab command, write a shell script, invoke
PHP in-depth understanding of object-oriented programming methods overload and Method Overlay (polymorphic),
What is polymorphic?
Polymorphism (polymorphism) literally means "multiple states." In object-oriented languages, many different
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