PHP

Since PHP 5.4.0, PHP implements a code reuse method, called traits. Traits is a code reuse mechanism prepared for a single inheritance language similar to PHP. Trait to reduce the limitations of single inheritance languages, developers are free to

Compare strlen and Mb_strlenWhen the word Fu Quan is an English character, the two are the same. Here the main comparison, in Chinese and English mixed row, two results. (Encoding is UTF8 when testing) Copy Code code as follows: $str

1, custom functions 2,spl_autoload_register () Copy Code code as follows: liuyuan@ebuinfo:/var/www/phpgcs/php_autoload$ LL./* -rw-rw-r--1 Liuyuan Liuyuan Feb 11:39./func_autoload.php -rw-rw-r--1 Liuyuan Liuyuan 906 Feb. 11:28

Copy Code code as follows: /** PHP treats all class methods that start with __ (two underscores) as magic methods. So when you define your own class method, don't prefix it with __. * */ __tostring, __set, __get__isset (), __unset ()/*The __

BC is the abbreviation of binary calculator. The arguments for the bc* function are the operands plus an optional [int scale], such as String Bcadd (String $left _operand, String $right _operand[, int $scale]), if scale does not provide , the

For PHP traversal directory and file list wrote a simple class, and attached to the use of examples, we refer to the use of the bar Copy Code code as follows: Define (' DS ', directory_separator); Class getdirfile{ Return

Well, in fact most of the time it is possible, and some aspects are still very disturbing, the following slowly. Many languages provide a very elegant and beautiful way to manipulate arrays. In the following example, the closure features provided in

PHP references (in addition to the variables or functions, objects, etc. before the & symbol), in PHP refers to the meaning: different names to access the same variable content. There is a difference between the pointers in the C language. The

This article analyzes the use of LTrim and RTrim in PHP to remove the left and right spaces and special characters. Share to everyone for your reference, specific as follows: The definition of LTrim in PHP is as follows: LTrim (String,charlist)

Copy Code code as follows: Class Search{Source Array for LookupPrivate $array = Array (1,2,3,5,7,6,4,8);/*** Sequential Lookup method* @param $val the value to find*/Public Function Query_search ($val){foreach ($this->array as $k => $v){if ($

Install pthreads basically need to recompile PHP, plus--enable-maintainer-zts parameter, but use this document very little; Bugs can be a lot of unexpected problems, build environment can only hehe, so this thing to play even if, Real multithreading

Function: Compress the file into zip, or rar compressed package. Suffix names can be customized. How to: Instantiate first, then pass the argument. Two parameters. First an array of your file addresses. The second is the absolute address of the

Application environment LNMP environment, the current PHP version 5.3.8, encountered an application requirements to support only PHP 5.2.x, but also want to maintain the existing application or PHP 5.3.8. That is, two versions of PHP are required

I. IntentionDefines a one-to-many dependency between objects, and when the state of an object changes, all objects that depend on it are notified and automatically updated "GOF95"Also known as publish-subscribe (publish-subscribe) mode, model-view

Views (view) "View" mainly refers to the end result we sent to the Web browser?? Like the HTMLthat our script generates. When it comes to views, many people think of templates, but the correctness of the template scheme called views is questionable.

Shorida (Krazynio at hotmail.com), 2006.04. 06, reprint please indicate the source Introduction of Memcached In many occasions, we will hear the name memcached , but many students just heard, and did not use or actually understand, only know it is

One, intent combines objects into a tree structure to represent a "partial-whole" hierarchy. Composite makes users consistent with the use of individual objects and grouped objects. The Composite change is the structure and composition of an

I. Intention Define a series of algorithms that encapsulate them each, and make them interchangeable. The policy pattern allows the algorithm to vary independently from the customer who uses itThe change of strategy pattern is the algorithm Second,

For now, implementing the "Database Abstraction Layer" is a great way to go, and using a database access abstraction layer like PDO is a good choice. The PDO contains three predefined classes The PDO contains three predefined classes, which are PDO,

PHP array is more commonly used, so I studied the PHP array assignment, here to share with you, I hope to be useful. An array is a set of variables that are stored in the computer's memory, which can be of different types, including integers,