Notes for SimpleXML

SimpleXML provides a simple and fast XML operation method, greatly improving the efficiency of XML operations. But sometimes it may cause a lot of trouble if you are not careful. Check the following code: $ Xml = simplexml_load_string ( title ); $

Secrets of millions of PHP website architecture technologies

After learning about the world's largest PHP site and Facebook's background technology, today we will learn about the website architecture of a million-level PHP site: Poppen.de. Poppen.de is a social networking website in Germany. It is a very

Basic PHP learning basics for beginners

Guidance:1. the PHP script code indicates that the PHP script is included in a pair of special tags in the file. For example, ASP is " ", PHP... i. PHP script code markThe PHP script is the content included in a pair of special tags in the file. For

PHP session entry-level functions 1

What is a session? I didn't understand it at the beginning. non-professional dictionaries are translated into meetings and meeting periods. Make an inappropriate analogy (although not appropriate, it means the same). session is the relationship

Php search file content keyword instance code

/** * File: search. php * Function: Search for HTML files in a specified directory */ /* Basic functions */ // Obtain the file functions in the directory Function getFile ($ dir) { $ Dp = opendir ($ dir ); $ FileArr = array (); While (!

PHP fsockopen function module opening details

When the fsockopen function is not enabled on the server, the undefine fsockopen prompt is displayed when fsockopen is used. The solution is as follows:Step 1: in php. ini (I don't need to say where it is. I think I should have some knowledge about

A complete PHP Image Upload, generating thumbnails, and inserting database code

The following is a complete code for generating thumbnails and inserting data into the database when uploading images in PHP.$ Title = $ _ POST [title];$ Descr resume ption =$ _ POST [descr resume ption];$ AlbumID = $ _ POST [albumID];$ Iscommend =$

PHP Encoding Error does not show error message prompt solution

PHP Apache is used for programming. By default, PHP encoding errors are not prompted, which is inconvenient for development. Follow these steps to enable the error prompt:1. Open the php. ini file.Take my ubuntu as an example. The file is in the/etc/

PHP100 teaches you 20 lines of code to write a thief Program

The PHP thief program is the predecessor of collection. With the thief principle, attackers can write collection. This is bkJiaChuangen IT EducationAssignments left for you during the training. Some general ideas and functions are hand-written. The

PHP technical code -- get the file extension

Php code// Method 1:Function extend_1 ($ file_name){$ Retval = "";$ Pt = strrpos ($ file_name ,".");If ($ pt) $ retval = substr ($ file_name, $ pt + 1, strlen ($ file_name)-$ pt );Return ($ retval );} // Method 2Php codeFunction extend_2 ($

A PHP cache class

Cache. inc. php: dir_isvalid ($ dir) {$ this-> dir = $ dir; $ this-> lifetime = $ lifetime; $ this-> ext =. php; $ this-> cacheid = $ this-> getca Cheid () ;}}/*** check whether the cache is valid */private function isvalid () {if (! File_exists ($

Simple, convenient, and fully functional php paging class

Paging Code each_disNums = intval ($ each_disNums); $ this-> nums = intval ($ nums); if (! $ Current_page) {$ this-> current_page = 1;} else {$ this-> current_page = intval ($ current_page);} $ this-> sub_pages = intval ($ sub_pages ); $ this->

Use PHP extension vld to view PHP opcode

~ /Public_html/php-5.3.13/ext> wget http://pecl.php.net/get/vld-0.11.2.tgz ~ /Public_html/php-5.3.13/ext> tar zxvf vld-0.11.2.tgz ~ /Public_html/php-5.3.13/ext> cd vld-0.11.2/then compile and install the vld Extension :~

Explanation of PHP date and Time Functions date ()

PHP date and Time Functions date () 1, year-month-day echo date ('Y-m-J'); 2007-02-6 echo date ('Y-n-J '); 07-2-6 uppercase Y indicates four digits of the year, while lowercase y indicates two digits of the Year. lowercase m indicates the number of

Php Environment Construction

I installed Windows 7 in the past two days. Some time ago, a friend asked me how to install and build the PHP environment in Windows. So I plan to work hard to build the PHP environment step by step, currently, you do not need to use the PHP

Calculate the data of the day from the start point and end point timestamp.

[Php]/* * + ------------------------------- * Calculate the data of the day from the start point and end point timestamp. * + ------------------------------ */ $ Daybegin = strtotime (date ("Ymd "));$ Dayend = $ begin + 86400;$ Query = "SELECT *

Htmlspecialchars () and htmlentities () of php Functions

  When the web editor writes articles to the database or reads the database content, there are often non-resolution issues and a lot of code, which is actually a problem of html Entity and corresponding String Conversion. It mainly involves

Yii -- Command Task Processing

1. Configure the components required to execute the taskTask configuration file:/protected/config/console. phpThe configuration method is similar to the configuration of the main file [html] // This is the configuration for yiic console application./

Introduction to php's array equality array Operators

How can we determine that two arrays are equal? In fact, it is very simple. You can use = OR =. The php manual describes the following, Example name result$ A + $ B join $ a and $ B.$ A = $ B is equal. If $ a and $ B have the same key/value pair,

THINKPHP config. php configuration problems

ThinkPHP config. php detailed configuration file IntroductionTHINKPHP config. php configuration problems Return array (// Configure //---------------------------------------------------------------------------------------// Template Configuration//

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