PHP

Implementation code of phpmysql database replication -- -- Database: 'DB _ copy_old' -- -- -- Table structure 'article' -- Create table if not exists 'article '( 'Id' int (20) not null

Php deletes uploaded images and folders (instance sharing) /** * Deleting uploaded images and folders * By bbs.it-home.org */ $ Folder = "D: \ www \ jbxue \". "test \ image "; If (!

Summary of various PHP sorting algorithms // Bubble sort Function BubbleSort ($ arr ){ // Obtain the total length of the array $ Num = count ($ arr ); // Forward traversal array For ($

Php Getting Started Tutorial (21) php date and time functions Echo time (); /// return "1264668961" ?> 2, date ()The date () function is required to convert the UNIX timestamp to the readable current

Php method for obtaining array length (number of elements) $ Users = array ("qdv.cn", "haotu.net", "sharejs.com", "google.com "); Print count ($ users)-1; Example 2: use php to obtain the array

Which programming language is most worth learning in 2015? Craig Buckler, a freelance UK web consultant, has been engaged in programming language statistics for many years. This article provides statistics on the language rankings from four

An ordinary person Who is it? What makes your heart feel bad. Who is it? What has warmed this cold night! There is no denying that people are always changing. even if you stick to the same year, you may not be aware of the previous steps

Php file download code (compatible with multiple browsers and supports Chinese file names) /** * PHP file download example * By bbs.it-home.org */ Ob_start (); $ Ua = $ _ SERVER

A small example of php database connection, query, and display results /** * Php database operations (connection, query, and display results) * Edit: bbs.it-home.org */ Define ('hostname',

Php traverses folders and implements code editing and deletion. /* Function: (a) delete a file (B) edit a file, and delete a folder on a webpage (c), provided that the folder is empty (d) create a file or folder,

PHP function for escaping regular expression characters $ Str = preg_quote ("/\ d {3} (\-\ d {4 })/"); Echo $ str; ?> Result:/\ d \ {3 \} \ (\-\ d \ {4 \}\)/Example 2,

A classic example of PHP database read/write splitting /** * Mysql read/write splitting * Edit: bbs.it-home.org */ Class db { Public function _ construct ($ SQL) { $ Chestr =

Php function for obtaining the folder size // Get the folder size Function getDirSize ($ dir) { $ Handle = opendir ($ dir ); While (false! ==( $ FolderOrFile = readdir ($ handle ))) { If

Php uses memcache for multi-server sharing session [Session] ; Handler used to store/retrieve data. Session. save_handler = files; this is the session method. the default files can be used to store files.

Php calendar code (with demo) Function build_calendar ($ month, $ year, $ dateArray ){ // Calendar header, starting from Sunday till Saturday $ DaysOfWeek = array ('s ', 'M', 'T', 'W', 'T', 'F','s ');

PHP implementation code for obtaining MAC addresses /** * Obtain the physical (MAC) address of the machine Nic * Currently, Windows/LINUX systems are supported. * Edit: bbs.it-home.org **/

Php implementation code for exporting and reading csv files $ Users = file ("./demoCSV.csv "); Foreach ($ users as $ user ){ List ($ name, $ email, $ phone) = explode (",", $ user ); Echo"$ Name ($

Example of exporting an excel file using php Function xlsBOF (){ Echo pack ("ssssss", 0x809, 0x8, 0x0, 0x10, 0x0, 0x0 ); Return; } Function xlsEOF (){ Echo pack ("ss", 0x0A, 0x00 );

Example of phpheader function usage (2) Header ("Location: http://www.php.net ";); Exit; // after each redirection, you must add "exit" to avoid errors and continue execution. ?> Header

Php implementation code for exporting CSV files // Note that the correct class path is included Require_once (dirname (_ FILE _). '/export. php '); $ Exceler = newJason_Excel_Export (); //