PHP Tutorials

lotusphp configuration file Component Ltconfig is an important part of the Convention, applicable to multiple scenarios, most of the lotusphp components such as database, cache, RBAC, form validation and so on need to use the configuration

Copy CodeThe code is as follows: Require_once ("zend/loader.php"); Introduces the function class (INT) of the validator class and the verifier, and the custom interface class; Zend_loader::loadclass (' zend_validate '); Zend_loader::loadclass ('

Code:Convert(= (' b ', ' KB ', ' MB ', ' GB ', ' TB ', ' PB ' @(/ (1024x768, (=(,1024) ))), 2). ' '. [by Www.jbxue. humanreadablefilesize ( = 1024x768 (', ' B KB MB GB TB PB ' ( /c33>++ ([http://www.bkjia.com/PHPjc/73852

Let's talk about the format of the switch () statement. switch (expression) { Case Match 1: When matching 1 and expression matches the code executed successfully; Break Case Match 2: When matching 2 and expression matches the code executed

Using single quotes instead of double quotation marks to contain strings can be faster. Because PHP will search for variables in a string surrounded by double quotes, single quotes will not, note: only echo can do this, it is a string can be used as

Remember to bookmark this article, which is often used to jump or reload form forms when you make Drupal 7 custom module. A summary of three main points: 1. After the page is submitted, after #submit processing, you need to redirect jump to

Command class: 1. Command role: declares an abstract interface to all specific command classes. This is an abstract role. 2. Specific command role: Define a weak coupling between the recipient and the behavior, and implement the Execute method,

1. Call_user_func Copy the Code code as follows:function A ($b, $c) {Echo $b;Echo $c;}Call_user_func (' A ', "111", "222");Call_user_func (' A ', "333", "444");Display 111 222 333 444?> Call the method inside the class is rather strange, incredibly

1.Zend Optimizer v3.x.x v2.x.x In the previous PHP version of php-5.2.x, using an optimized code method to improve the execution speed of PHP applications is theoretically 40%-100% faster than not using ZO. The principle of implementation is to

1. Using Mysql_fetch_field $query = $db->query ("select * from $tablename limit 1");$num =mysql_num_fields ($query); for ($i =0; $i { $f _db=mysql_fetch_field ($query, $i); $showdb []= $f _db->name; } 2. Use Show fields $SQLR = "Show fields from $

In the case of known URL parameters, we can use $_get to obtain the corresponding parameter information ($_get[' name ') according to our own situation; how do I get the parameter information on the URL in an unknown situation? The first, using

Solve 2 problems:1. Text data such as identity cards are automatically converted to scientific notation. 2. The problem of Chinese garbled characters How Excel exports from a Web page. When we send this data to the client, we want to have the

1. First of all, to install PHP2. Enter the ext directory under the download directory of PHP#cd/root/php-5.3.6/ext #./ext_skel--EXTNAME=HMC Description ./ext_skel--extname=module_name Module_name is the name of the extension module that you can

The goto operator can be used to jump to a specified location in a program. The target location can be tagged with the target name plus a colon. The Goto in PHP has a certain limit and can only jump in the same file and scope, meaning you can't jump

Copy CodeThe code is as follows: static function Convert ($size) { $unit =array (' B ', ' KB ', ' MB ', ' GB ', ' TB ', ' PB '); Return @round ($size/pow (1024x768, ($i =floor (log ($size, 1024))), 2). ' '. $unit [$i]; } You can also use the

Use of Session: Session_Start (); Defines the $_session array variable. Session_Start () cannot have any form of output before use, including output in PHP and HTML code. $_session arrays cannot use numeric subscripts, only string subscripts can be

A PHP script that exports data from one Redis db to another Redis db: Copy CodeThe code is as follows: $from = ' 127.0.0.1:6200/6 '; $to = ' 127.0.0.1:6200/8 '; $from _redis = Redis_init ($from);$to _redis = Redis_init ($to); $keys = $from _redis-

This article mainly describes the use of PHP to export Redis data to another Redis method, the need for friends can refer to the following A PHP script that exports data from one Redis db to another Redis db: The code is as follows: $from = ' 127.0.0

first, what is ImageMagick? ImageMagick is a powerful, stable and free toolset and development package that can be used to read, write, and process image files in more than 185 basic formats, including popular TIFF, JPEG, GIF, PNG, PDF, and PHOTOCD

The goto operator is a new feature after php5.3+, which is used to jump to another location of the program, and is simple to use: a goto followed by a flag with the target position, and a colon tag at the target location with the target name, as