PHP

PHP multifile Upload method This example describes how to upload multiple files in PHP. Share it with you for your reference. The specific implementation method is as follows: Define ('root', 'd:/Program

E-mail notification to the customer after the message board replies Bytes ---------------------------------------------------------------------------------------------------------------------Modify 2:E/admin/tool/gbook. php: Include

Php methods for obtaining file types and information This document describes how to obtain file types and information by using php. Share it with you for your reference. The specific implementation method is as follows:

Explanation of $ str & amp; quot; $ & amp; quot; in php This method is called variable.Sometimes it is convenient to use a variable name. That is to say, the variable name of a variable can be dynamically set and used. A common variable is

Php display user-friendly time In one minute, "just" an hour "* minutes ago", "Today's Hour: Minute", "yesterday's Hour: minute" more than 2 days ", year-month-day hour: minute" // Format the time Function format_date ($

Php code for generating image thumbnails Multiple types of thumbnails are generated. /*************************************** * Author: beluckly) * Completion Time: 2006-12-18 * Class name: CreatMiniature

Php extracts the main color of the image $ I = imagecreatefromjpeg ("image.jpg "); For ($ x = 0; $ x For ($ y = 0; $ y $ Rgb = imagecolorat ($ I, $ x, $ y ); $ R = ($

Common methods for exporting Excel files using PHP /** * Export data to an excel table * @ Param $ data: A two-dimensional array with a structure similar to the array found from the database * @ Param $ title the

Php watermarking code for images Php watermarking code for images $ Source = imagecreatefromjpeg ('E:/image/guide_pic.jpg '); $ Thumb = imagecreatefromjpeg ('E:/image/l. JPG '); // Obtain the image width,

PHP provides a simple method for downloading files Function download_file ($ file ){ If (is_file ($ file )){ $ Length = filesize ($ file ); $ Type = mime_content_type ($ file ); $ Showname = ltrim (strrchr ($

The mimetype type of the file obtained by PHP /** * Obtain the mime type of the object. * @ Author xiaobing. meng * */ Class MimeTypes { Public static $ mime_types = array ( 'Apk '=>

PHP: a common method for downloading images Function getPicture ($ url, $ pictureName ){ If ($ url = "") return false; // Obtain the image extension $ Info = getimagesize ($ url ); $ Mime = $ info ['Mime '];

Example of using file cache in php In web development, you can use file caching to greatly relieve the pressure on the database. The following code is an example of using file caching in php. CacheLayer. php Class

Php file read/write $ Handle = @ fopen ("demo.txt", "r "); If ($ handle ){ While ($ buffer = fgets ($ handle, 4096 ))! = False ){ Echo $ buffer; } If (! Feof ($ handle )){ Echo "Error:

Php parses web pages and downloads images to a local device // Error_reporting (0); // Close the error report Include_once ("simple_html_dom.php"); // introduce the parsing library $ Url = 'http: // www.

Back up mysql database with php code $ Database_name = 'somedb '; $ Table = 'sometable '; Define ('H', 'localhost'); define ('N', 'root') define ('P', 'password'); define ('t ', $ database_name );

Traditional and Simplified PHP functions Class utf8_chinese { Private $ utf8_gb2312; Private $ utf8_big5; Private $ data; Public function _ construct ($ data ){ $ This-> utf8_gb2312 = $ data ['

The function of the IP address of the other party is automatically blocked when CC or DDOS attacks occur. This function is used to count the total number of visits per visitor in a short period of time. if the limit is exceeded, TRUE is

PHP generates GUID (UUID) 2. jpg (3.82 KB, Downloads: 2) Download attachment Upload /** * Generate a GUID (UUID) * @ Access public * @ Return string * @

Beautiful PHP verification code Class Page { Private $ total; // total records Private $ pagesize; // The number of entries displayed on each page Private $ limit; // limit Private $ page; // The