PHP

Php code conversion function example Header ("content-type: text/html; charset = utf-8 "); Echo mb_convert_encoding (" my friends", "UTF-8", "gbk "); ?> 2. gb2312 to big5 encoding conversion

Php coding and Chinese garbled characters solution [Mysql] Default-character-set = utf8 [Mysqld] Default-character-set = utf8 Default-storage-engine = myisam Add the following under [mysqld:

Usage of PHPini_set and ini_get functions Share the usage of ini_set and ini_get functions in PHP. if you want to learn php programming, follow these steps.The ini_set function in php is a function that comes with php to modify and set

Php configuration file setting Sample code // Each page defines the constants allowed to access the file Define ('is _ access', true ); /** **************************************** ********

Php string filter and conversion functions This article describes several useful php string filtering and conversion functions for character security and string processing.Includes the following string filtering and conversion functions:

Phpfilesystem file system function usage $ Path = "/home/httpd/phpha.com/index.php "; Echo basename ($ path ); Echo basename ($ path, '. php '); Echo basename ($ path, '. xxx '); Echo dirname ($

PHP anti-CC attack code example $ P_S_T = $ t_array [0] + $ t_array [1]; $ Timestamp = time (); Session_start (); $ Ll_nowtime = $ timestamp; If (session_is_registered ('ll _ lasttime ')){

Php download remote image retrieval function (forged path) // Download and obtain remote images Function DownImageKeep ($ gurl, $ rfurl, $ filename, $ gcookie = "", $ JumpCount = 0, $ maxtime = 30) { $

PHP get (read) local file and remote file content example $ File = 'jbxue. com. php '; // Remote access is not supported $ Fso = fopen ($ file, 'r '); Echo $ data = fread ($ fso, filesize ($ file ));

An example of php access control questions Class Foo { Private $ name = 'hdj '; Public function getName (){ Return $ this-> name; } } Class Bar extends Foo { Public

Phppdo function library usage Pdo-> begintransaction ()-indicates the start point of rollback Pdo-> commit ()-indicates the rollback end point and executes the SQL Pdo->__ construct ()-Create a pdo-linked database

PHP file size limit two solutions Upload_max_filesize = 8 M Post_max_size = 10 M Memory_limit = 20 M In addition, to confirm the Upload There is no line similar to the following:

Modify the PHP file size limit This section describes how to modify the php file size limit. the default file upload size in php is 2 MB. here we will share the specific modification method. For more information, see.1. in php, the

How to connect PHPMySQL to the database $ Con = mysql_connect ("localhost", "peter", "abc123 "); If (! $ Con) { Die ('could not connect: '. mysql_error ()); } // Some code ?>

Three methods for importing SQL files using PHP $ Db = mysql_connect (....); Mysql_select_db (....); $ Fp = fopen ('somefile. SQL ', 'r '); While ($ fp! = Feof ()) { $ Line = fread ($ fp, 2048

Sample code for filling white edges with a php thumbnail // Source image path, which can be a local file or remote image $ Src_path = '1.jpg '; // The width of the final saved image $ Width = 160; /

Create a database and a table in PHPMySQL // Create a database $ Con = mysql_connect ("localhost", "peter", "abc123 "); If (! $ Con) { Die ('could not connect: '. mysql_error ()); }

Simple example of exporting CSV files in php /** * Export a csv file. example of the header function * Edit: bbs.it-home.org */ Header ("Cache-Control: public "); Header ("Pragma:

Basic phpgd Library knowledge Echo phpinfo (); ?> Save, open phpinfo. php in the browser, search for 'gd ', and check whether the following items exist:If yes, the system supports the GD Library.

Install phpgd Library in linux Tar xzvf zlib-1.2.3.tar.gz Cd zlib-1.2.3 ./Configure Make Make install 2. install freetype Tar xzvf freetype-2.2.1.tar.gz Cd freetype-2.2.1 ./