PHP

Echo in HTML and PHP can output multiple strings at the same time without parentheses. Print can only output one string at a time, and parentheses are required. The usage of print is similar to that of C language, so it will make a special

Converts a line break to . Syntax: String nl2br (string ); Return Value: String Function Type: Data Processing Description This function converts a newline character to an command for HTML newline. CopyCodeThe Code is as follows: $ STR =

CopyCode The Code is as follows: $ Array = array ("key1" => "Simon", 2 => "Elaine"); // create an array Echo $ array ["key1"]; // output Simon Echo $ array [2]; // output Eline ?> Copy code The Code is as follows: $ Array = array ("key1" => arrays (

Currently, I know two methods: one is to use the APC extension module written by Rasmus lerdorf, founder of PHP to implement (http://pecl.php.net/package/apc ), another way is to use the PECL extension module uploadprogress implementation

1. The origin of the template Use PHP for development before the template technology is available Program , Usually PHP Code And HTML. For example, the news list is probably a newslist. PHP page with the following structure: // Read the news

1. When file_get_contents can be used to replace file, fopen, feof, fgets, and other methods, try to use file_get_contents, because its efficiency is much higher! Note the PHP version of file_get_contents when opening a URL file; 2. Perform as few

Definition and usage The str_replace () function uses one string to replace other characters in the string. SyntaxStr_replace (find, replace, String, count) Parameter descriptionFind is required. Specifies the value to be searched.Replace is

Variable: $ _ server, used in PHP 4.1.0 and later versions. For earlier versions, use $ http_server_vars Variable: $ _ ENV, used in PHP 4.1.0 and later versions. For earlier versions, use $ http_env_vars Variable: $ _ cookie, used in PHP 4.1.0 and

CopyCode The Code is as follows: Echo substr (MD5 ("admin"), 8, 16); // 16-bit MD5 Encryption Echo " "; Echo MD5 ("admin"); // 32-bit MD5 Encryption ?> The 16-bit MD5 encryption is achieved by intercepting characters using the substr function ....

Page. php CopyCode The Code is as follows: /**** Generic PHP paging class. (Like Google style)** You only need to provide two parameters: the total number of records and the number of records displayed on each page. (Detailed instructions are

Parse error: syntax error, unexpected $ end in script. php on line xx After debugging for a while, it is found that the line that produces the error is a line in the middle of the file. // $ Str. = "?> \ N "; Think of the line that the PHP

Description String fread (INT handle, int length) Fread () reads a maximum of length bytes from the file pointer handle. This function can be read by a maximum of length bytes, or when it reaches the EOF, or (for network streams) when a package is

Example: (simplified> traditional) bread> ZH-tw country> ZH-HK China Life> ZH-HK) ronaldo> ranate (zh-HK) (traditional> computing) memory> memory (zh-CN) boushu> bush (zh-CN) materials> database (zh-CN) Usage 1. Download mediawiki:

When you need to upload images to a regular website, you often need to add the LOGO watermark of your website to the image. So how to implement this step? First, let's take a look at the principles of adding watermarks to PHP images. Create an image

There are two sets of regular expression function libraries in PHP. The two functions are similar, but the execution efficiency is slightly different: One set is provided by the PCRE (Perl Compatible Regular Expression) Library. Functions with the

Serializing objects Sometimes an object needs to be transmitted over the network. To facilitate transmission, the entire object can be converted into a binary string, When it reaches the other end, It is restored to the original object. This process

Pie Chart Copy codeThe Code is as follows: // + ------------------------ + // | Pie3dfun. PHP // public function | // + ------------------------ + Define ("ANGLE_STEP", 3); // defines the angle step when an elliptical arc is drawn. Define

1. Open a file first. Here PHP-> fopen (); function is used. Definition and usage The fopen () function opens a file or URL. If opening fails, this function returns FALSE. Function prototype: Fopen (filename, mode, include_path, context) Http://www.

A known method is to use session_set_save_handler to take over all session management tasks. Generally, session information is stored in the database, so that all expired sessions can be deleted through SQL statements, precisely control the validity

CakePHP framework home: http://www.cakephp.org/ Import the downloaded directory to the project. The directory structure is shown in figure (Version: 1.1.19.6305) Set up the PHP environment. Here AppServ2.5.9 is used.Home