PHP

When we write programs, we always want to make our programs take the least amount of resources, run faster, and have less code. We often lose a lot of things while pursuing these. Now I want to talk about my understanding of PHP optimization. The

Topic: Find the error in the following code: Function baz ($y $z) {     $x = new Array ();     $x [ Sales] = 60;     $x [Profit] =:     foreach ($x as $key = $value) {     &nbs p;   echo $key + "" + $value + "";    } } How many can you find?

The program PHP World buffer is a hot topic, because the dynamic page generated by PHP, each user request needs to be recalculated, regardless of the request results are the same, and PHP will compile a script every time. This overload is certainly

1. Connection to the database $DBC = mysql_connect (hosetname, username, password); 2.Mysql Error Handling Mysql_error (); Informative report showing errors 3. Create and select a database Create: mysql_query (' Create DATABASE somedb ');

Calculating the time difference in PHP is sometimes a hassle! However, I believe that any language, as long as the grip of the regulation rate can find a way, is absolutely rotten to the magic. Work often to carry out the date calculation, the

PHP automatic loading autoload mechanism is very important, here do 2 small exercises   original articles, reproduced please note: Http://www.cnblogs.com/phpgcs   file structure as follows, 2 ways to implement automatic loading   1, custom functions

This article mainly shares the knowledge about the life cycle of the PHP session. First of all, the beginning of the session creation to the end of the process. When a program needs to create a session for a client's request, the server first

Implementation of Send_mail Class Now I'm going to start by introducing the Send mail Class I wrote. With the above preparatory knowledge, the following is achieved. class's member variable var $lastmessage; Record the last response information

This article mainly describes the PHP file upload with the relevant configuration of knowledge points. PHP File Upload function Configuration mainly involves the php.ini configuration file in the Upload_tmp_dir, Upload_max_filesize, post_max_size

Because the company's environment is under Linux, so want to build on their own machines to imitate Linux environment Environment for Linux +mssql+php +nginx+freetds So I thought of Cygwin. Go to http://www.cygwin.com download setup.exe Then install,

In the development process, encountered data processing to take the whole time, you will use which, small Tao to introduce: PHP take the whole function has ceil,floor,round,intval, the following detailed introduction: 1, ceil-into one method to

1 What is LDAP LDAP is a protocol used to publish directory information to many different resources. Usually it is used as a centralized address book, but it can be more powerful depending on the needs of the organizer. The most basic form of LDAP

The system ran for a long time, there will always be such a problem and bottlenecks, there are problems not scary, we have the "tiger" thing--nothing more than the positioning problem-> analysis-> put forward solutions-> practice-> Results Feedback->

This article is from the Why PHP was a ghetto this article translation. One day I was chatting with the boss of a very good startup company in Dumbo , about why non-PHP developers generally despise PHP and PHP-related communities. He made a point

Create | Graphics This article will show you how to build an object-oriented graphics layer using PHP. Using object-oriented systems can be used to build complex graphics, which is much simpler than using the basic functionality provided in a

The nonsense does not say, pastes the code: Copy CodeThe code is as follows: /************************************ Functions: Watermark ($bigimg, $smallimg, $coord = 1) Role: Add watermarks Parameters: $bigimg must be selected. Big picture--a

As a popular Web programming language, PHP's biggest advantage is speed. PHP4 has done very well in this area and you can hardly find a faster scripting language. But if your application load is very large, and the bandwidth is relatively small, or

The following are the referenced contents: $keyword =htmlspecialchars ($_get[' keyword '));if ($keyword!= ""){echo "Web page teaching Site Search _". $keyword. " --powered by webjx.com ";?> }Else{?>" Help Add Web Teaching Network to Favorites

Users often need to restrict access to certain important files or information when designing and maintaining a site. In general, we can use the HTTP protocol based user authentication mechanism built into the Web server. When a visitor browses to a

Background | Data from last write article in Flash8 (Alert component plus response function!) ~http://space.flash8.net/bbs/thread-319211-1-1.html) After a long time did not move the text, I do not know if there is no raw embroidery. This time to