PHP Tutorials

Traversing the data in PHP is generally used to list,foreach,each in fact, but the following tutorial may not be used, I would like to introduce you to iterate over the array of advanced instances, I hope this method is helpful to everyone. When you

A simple PHP and MySQL data paging program with the needs of friends can refer to. The code is as follows Copy Code Adam ' s Custom PHP MySQL pagination Tutorial and ScriptYou has to put your MySQL connection data and

*/ Create an image $image =imagecreatetruecolor (300,300); Define the color required for the appeased chart $white =imagecolorallocate ($image, 0xFF, 0xFF, 0xff); $gray =imagecolorallocate ($image, 0xc0, 0xc0, 0xc0); $darkgray =imagecolorallocate

PHP is_dir,is_file,file_exists Function Performance analysis, we from each method to summarize the usage of three functions in specific places, the need for students to refer to. Performance analysis of is_dir,is_file,file_exists function in

Uploading images in order to expand the site we may add a watermark on the image, or to reduce the image, the code provided below has this function. Uploading images in order to expand the site we may add a watermark on the image, or to reduce the

This article describes a summary of the http_x_forwarded_for,http_via,remote_addr differences in PHP when obtaining a user's real IP address. One, not using the proxy server situation: REMOTE_ADDR = Your IPHttp_via = no value or no

This is a PHP and MySQL based on the site traffic statistics instances, can be counted out to visit the source of the site personnel, search engines, IP, keywords, I hope this example for you to help. Traffic statistics tools, such as CNZZ, Baidu

I used getimagesize to get the size of the original image and then x0.5 the picture/5 Oh. Array getimagesize (string $filename [, Array & $imageinfo])The getimagesize () function will determine any gif,jpg,png,swf,swc,ps tutorials D,TIFF,BMP,IFF,JP2

. Jpgraph Open Source Project Introduction Jpgraph is an object-oriented graphic creation function library. It can be used to generate graphs such as histograms, pie charts, Gantt charts, mesh graphs, etc. The supported image formats are gif,jpg and

In PHP sometimes we have to replace table prefixes in the database but do not suffer from a table to modify the prefix it, I wrote a mysqli batch replacement database table prefix PHP program, I hope some methods to help you. The code is

PHP Move copied files We use copy, below we look at a simple example, he realized the directory and directory files move, I hope this article to help you. Method One, Copy+unlink way My idea is: move = new + DELETE. Create a new folder in the target

File search is to use PHP to traverse the directory and then go to a file to get the name of the comparison, and then find the file we specify to stop traversing and display the file name and address to search. Today to do a special function to

PHP backup MySQL database is a lot of personal webmaster site features, of course, if you want to back up a few gigabytes or larger database when the PHP backup method feel a little hard. PHP backup MySQL Database source code, in the perfect

PHP tutorial support to generate thumbnail file upload code ?> Untitled Document Class Upfileclass { var $upfile, $upfile _name, $upfile _size;# $upfile temporary filename $_files[' tmp_name '), $upfile _name filename $_files[' name '

In the Web application is often used to generate pictures this function, in PHP tutorial to create a picture needs GD library support to create graphics, with this graphical function, we can easily generate thumbnails, verification code, image

The condition for this feature is that the environment MySQL 5.2/php 5 support Transaction table type needs to InnoDB, with these conditions you can do the above implementation, this thing rollback operation is often used in large projects, such as

PHP to give Chinese watermark needs to do some simple processing, one is to convert characters into GBK, there is to load the Chinese font oh, with these two conditions in the picture and Chinese watermark is simple. Example 1 The code

This article to introduce the PHP generated snowflake background Verification Code program codes, the need for friends to enter the reference. Verification Code Generation Program The code is as follows Copy Code

This article to give you a summary of the introduction about PHP flush () and Ob_flush (), Ob_end_flush () usage and differences, there is a need to know friends can enter the reference reference. First of all, buffer, it is a memory address space,

In PHP if it is a simple number combination and there are many methods, but I asked today to be based on the array ID and then re-merge the array, is to be based on the classification to operate. The simplest array merge we just use Array_merge