PHP

Limit the concurrency of each virtual host in apache !!!!. From www.allabc.com: seecee. dev-c.nlforumdisplay.php? Fid4 download module: www.nowhere-land.orgprog...st_limit-0.4.tar.gz official website: w from http://www.allabc.com Forum:

Substr () function Chinese version. Substr () function Chinese normal substr () function can obtain the specified length of the string, but in case of Chinese, garbled characters may be generated at the end of the new string, the following function

PHP class. Before explaining the concept of classes in PHP, let's talk about the concept of object-oriented programming: Object-oriented programming (Object-OrientedProgramming, short as OOP) the idea is to create a software-heavy PHP class. before

Differences in usage of php functions var_dump, var_export, and print_r Warning: fopen(slsl.txt) [function. fopen]: failed to open stream: No such file or directory in E: \ mywww \ yangtest \ base1.php on line 6

Php file size limit configuration method before uploading This article introduces how to restrict the file size before uploading a file in php. For more information, see.In php programming, when it comes to file upload, you are always

Php file operations $ Path1 = "F:/www/jbxue.txt "; If (! File_exists ($ path1 )){ Echo "the file does not exist! "; } Else { $ Handle1 = fopen ($ path1, 'R + ') or exit ("Unable to open file ");

Php detects the custom class of the file type through the file header /* Obtain the file type by file name * * @ Author chengmo * * @ Version 0.1 * $ Filename = "d:/1.png"; echo cFileTypeCheck:

In php, ob_get_contents (); ob_end_clean (); ob_start (); usage details This article describes how to use the ob_get_contents (), ob_end_clean (), and ob_start () functions in php. For more information, see.Php Cache related functions:

In php, too many session files are used up by inode, and apache cannot run. Session. save_handler = eaccelerator The premise is that the eaccelerator has been installed.2. use the hierarchical directory of the session

Mysql problem: Toomanyconnections solution [Mysqld] Port = 3306 Socket =/tmp/mysql. sock Skip-locking Key_buffer = 160 M Max_allowed_packet = 1 M Table_cache = 64 Sort_buffer_

How to break through the php file size limit File_uploads = On; enable the file upload option Upload_max_filesize = 500 M; maximum number of uploaded files Second, if you want to upload a large file, in

Simple phpcurlpost example // Curl post example $ Url = 'http: // bbs.it-home.org '; $ Param1 = "param1"; // parameter 1 $ Param2 = "param2"; // parameter 2 $ Param3 = "param3"; //

A simple php file download function Php file download _ bbs.it-home.org Set_time_limit (24*60*60 ); If (! Isset ($ _ POST ['submit ']) die ();

Php regular expressions If (preg_match ("/^ \ d * $/", $ fgid) echo ('number '); Else echo ('not a digit'); or use the function [code] if (is_numeric ($ fgid) echo ('is a digit '); Else echo ('not a digit ');

Example of using php scheduled task ignore_user_abort // Php scheduled task // By bbs.it-home.org Ignore_user_abort (); // whether the script execution is terminated when the function is set to be

Application example of krsort and asort functions in php array sorting $ My_array = array ("a" => "Dog", "B" => "Cat", "c" => "Horse "); Krsort ($ my_array ); Print_r ($ my_array ); ?> Output:

Php implements code for traversing and parsing XML as an array /** * Traverse and parse xml files into an array * Edit bbs.it-home.org */ Public function parseXML ($ menus ){ $ Result = array

Example of how to decompress a file or string using gzip in php /** * Php custom gzdecode decompress the gzip file * Edit bbs.it-home.org */ If (! Function_exists ('gzdemo ')){ Function

Php code example for calculating the year, month, week, and number of days between two dates /** * Calculate the year, month, week, and number of days between two dates. * Edit bbs.it-home.org */

Php implements code for uploading and downloading files File upload/download -bbs.it-home.org $ Dir = 'upload /';} If (is_dir ($ dir )){