why php

Freshman's first exposure to new things in the company's background is always curious. However, the company uses the traditional SSH framework to build the background, so we basically have been writing business and writing business. In addition, a

Let's talk about the concepts related to namespaces in PHP. Introduction to namespaces in PHP 1. What is the namespace in PHP? What is a namespace? "In a broad sense, namespace is a way to encapsulate things. This abstract concept can be seen

Yii database addition, modification, and deletion operations Summary This article summarizes the operations related to adding data, modifying data, and deleting data in yii. I just learned a few days and only recorded some data. I will continue to

1.1.1 zval StructureZend uses the zval structure to store the values of PHP variables. The structure is as follows: Copy codeThe Code is as follows: typedef union _ zvalue_value { Long lval;/* long value */ Double dval;/* double value */ Struct

My thoughts are messy. In the past, non-static methods can also be called (transferred) statically. 1. Can I call non-static methods statically in PHP? Today I was asked if the className: methodName () method can be used in PHP to call a method

Why PHP? Because PHP is the best, the reasons are as follows: PERL "Bad taste", because the program is not easy to read and maintain, and is not object-oriented. Forget PERL and turn to PHP. PERL programmers will abandon PERL because they love PHP!

Seven major advantages of PHP. ASP is a technology that Microsoft implements dynamic web pages. ASP supports some scripting languages, mainly VBScripp. Compared with ASP, you can also choose another open-source programming language, ASP, which is a

In linux, the php verification code only displays the canvas. the ultimate solution is not to display the verification code. After passing the test, first release my code [php]? Phpsession_start (); ** remove boom to UTF-8 * vCode (m, n, x, y). The

Php array declaration, traversal, array global variables. Php Tutorial array declaration, traversal, array global variable [php]? ** 1. Array Overview * 1. the essence of arrays: managing and operating a group of variables, batch processing * 2.

Use PHP to develop the CS structure. Server? PhpServer sets error handling error_reporting (E_ALL); sets the runtime set_time_limit (0); uses the buffer ob_implicit_flush (); $ ip127.0.0.1; IP address server // Server // Set error handling Error_

PHP exception details. What are PHP exceptions? PHP5 provides a new object-oriented error handling method. Exception handling is used to change the normal process of the script when a specified error (exception) occurs. What is this PHP

Php selects sorting. [Php]? Php selects sort from small to large sort date_default_timezone_set (AisaShanghai); $ selectarray (); for ($ i0; $ i500; $ I ++) {$ select [$ I] rand (0,3000);} functionselectsort ($ a [php] // Select sorting // Sort

PHPJSON Chinese garbled solutions. We know that Chinese garbled characters are common when Ajax technology is used to interact with the PHP background. JSON is used as a data exchange format similar to XML, chinese garbled characters also occur when

PHP outputs the arrangement and combination of multiple elements. Solve the problem: find an array containing N elements and retrieve M elements to form a new array. a total of arrays can be combined and output [php]? Php $ arrarray (a, B, c, d); $

PHP methods to obtain random numbers and letters. The first method? Php $ FileIDdate (Ymd-His).-. rand (100,999); $ FileID is a random number like 20100903-132121-908? Method 2? Phpfunctionrandomkeys ($ length) {$ returnS First method $

ThinkPHP provides four methods for learning the note instantiation model. Create Action Class [php]? PhpclassNewObjectActionextendsAction {publicfunctionindex () {1. create a basic model 1: instantiate a system database operation class new Create

Php unlimited classification. The seven of CI provides me with a method: [php]? Php *** this method is provided by @ Tonton * my. oschina. netu918697 * @ date2012-12-12 * functiongenTree5 ($ items) {fore CI's seven provides me with a method as

In php, heredoc and nowdoc are two defined strings. [Php]? Php is troublesome when it needs to write a large text segment with many lines containing single quotation marks and double quotation marks, leading to escape. you can also use heredoc and

Simple, convenient, and fully functional php paging class. Paging code? PhpclassSubPages {private $ each_disNums; number of items displayed on each page private $ nums; total number of items private $ current_page; currently selected page private $

Support for late binding has been implemented in the latest PHP release version. Of course, there are still many problems when using the late binding function. If you are using an older version of PHP (PHP5.0.1 is running on my server), you may find