PHP

The usage of the class alias in php5.3. In PHP5.3, if you want to introduce some classes with a long name, it will be difficult to write. in this case, you can use the class alias of PHP5.3, for example: classIrrational_Long in PHP 5.3, if you want

PHP design pattern: Iterator pattern (5 ). Note that the Iterator is better abstract than the object set, because we can make InfiniteIterators, NoRewindIterators, and so on without having to be consistent with the regular array. Therefore, Iterator

PHPSubversion configuration and learning applications. 1: dosopen service svnserve.exe-d-rD: serversvn2: svn added to the WIN service sccreatesvnservebinpathC :... Binsvnserve.exe-service-rootD: svn 1: DOS enabling service svnserve.exe-d-r D:

Several cache mechanisms commonly used by PHP. Universal cache technology data cache: the data cache here refers to the PHP Cache mechanism for database queries. each time a page is accessed, it will first check whether the corresponding cache data

Php document updates. Php.net recently updated the php document. it is useful to use the new pman tool. Pman is a command line tool that allows you to easily view the local help documentation for php functions, but does not include the php.net

Php magic methods are described in detail. After PHP5.0, php provides more object-oriented methods to make php more powerful !! Some functions called Magic methods in PHP are introduced here: in fact, in general applications, we all need php, and

PHPlist () function .? Php $ my_arrayarray (Dog, Cat, Horse); list ($ a, $ B, $ c) $ my_array; echoIhaveseveralanimals, a $ a, a $ banda $ c .;? Output: Ihaveseveralanimals, aDog, aCatand $ My_array = array ("Dog", "Cat", "Horse "); List ($ a, $

The purpose of the getenv function in PHP. In PHP, the getenv (parameter) function is a function used to obtain environment variables. Different environment variables can be obtained based on different parameters. The details are as follows:

In PHP, _ construct () ,__ destory () ,__ get () ,__ set () ,__ call (),. (1) _ construct () is a built-in PHP constructor that is automatically called by the PHP parsing engine. When an object is instantiated, this method of this object is called

Php functions: getenv (), putenv (), and $ _ SERVER. Getenv obtains the syntax of system environment variables: stringgetenv (stringvarname); ----------- The varname parameter should be $ _ SERVER (SERVER Super global variable array) and getenv get

PHP implements a fast sorting algorithm .? Phpfunctionquicksort ($ seq) {if (count ($ seq) 1) {$ k $ seq [0]; $ xarray (); $ yarray (); for ($ i1; $ icount ($ seq); $ I ++) {if ($ seq [$ I] $ k) {$ x [] $ seq [$ I];} else {$ y [] Function quicksort

Magento clears products and categories in batches. Some categories and products need to be added during magento development and template debugging. it is very troublesome when the website is officially launched, so I wrote a php file myself, it is

Site monitoring php code (if multiple sites are used, you can modify it slightly). you can send an SMS alert. The following html code creates a hostmonter. php file, copy the following code to the file, save it, and upload it to the server. then,

Php can be rounded up. Floor rounding: floatfloor (floatvalue) returns the next integer not greater than value and rounds the fractional part of value. The return type of floor () is still the floa floor rounding method to get the whole syntax

There are three solutions for Notice: Undefinedindex in PHP. A php program made in the previous section runs normally on the server. When someone else obtains the local test, there is always a warning such as Notice: Undefinedindex, this is only

In ubuntu, configure the boot service. Ubuntu does not have the boot configurator ntsysv like RedHat or CentOS, but it also has a very convenient tool: rcconf but you need to install and install it in another way: sudoapt-getinstallrcc Ubuntu does

APC configuration details. I. for APC installation configuration, refer to my article II. php. ini configuration item [APC] section description [apc]; alternativephpcache is used to cache and optimize the php intermediate code apc.

PHP parses XML files or xml strings through DOM. The previous article recorded the process of creating an xml document in php. This article will record how to parse the data and attribute values in the received xml string for further processing. The

PHP soap server C # client. Recently I wrote a php soap server that can call the PHP client, but cannot call the c # client. after reading the manual, I have not accessed it for a long time, finally, I tried to write a PHP SOAP server to call the

The getenv function in PHP. In PHP, the getenv (parameter) function is a function used to obtain environment variables. Different environment variables can be obtained based on different parameters. The details are as follows: PHP_SELF is currently