PHP

This article focuses on SQL injection attacks against PHP Web sites. The so-called SQL injection attack, that is, part of the programmer in writing code, the user does not judge the legitimacy of input data, so that the application has a security

Number No. 6.2 (possibly earlier) see this exp online, is a discuz 7.2 SQL injection VulnerabilityAfter a lot of textual research, most of the online exp in the existence of these or those problems, I use and revise the summary, using the following

1, the principle of PHP backup DatabaseFind all tables-Find all fields (need to list all field names, field types and other related letters)---Find all the data (read the data to note the conversion of special symbols addslashes())--Generate SQL

The naming range Function of ThinkPHP3.1 provides a series of (consistent operations) Encapsulation for model operations, allowing you to conveniently query and operate data. Next, let's take a look at this usage. 1. Define attributes To use the

Copy codeThe Code is as follows:// Format the dateStatic function formatDate ($ format, $ datetime, $ week = 0 ){$ Datetime =$ datetime> 3000? $ Datetime: strtotime ($ datetime );If ($ week ){$ Weeknames = ['Day ','1 ','2 ','3 ','4 ','5 ','6'];$

The Remote Management plug-in is currently widely used by WordPress site administrators. It allows users to perform the same operations on multiple sites at the same time, such as updating to the latest release version or installing the plug-in.

Having a powerful search engine is the wish of every website, and making a powerful search engine is quite complicated and difficult. it involves efficiency, accuracy, speed, and many other aspects. the search engine described here does not involve

? Php/* usage: highlighted keyword requirements: For future reference, use lt; and gt for all and symbols except HTML tags in the document; replace $ rows [content] str_replace (, lt ;, $ rows [content]); $ rows [content] str_replace (, gt;, $ rows [

Perl is a practical abstract and report language that is favored by developers all over the world. although it was born and developed on Unix, it also has a place in the Windows programming field. Under the leadership of companies such as

User authentication and Management (full edition) by MAX -- beginauth. inc --? Php $ idxxxCOM; if (! Isset ($ PHP_AUTH_USER) {Header (WWW-Authenticate: Basicrealm $ id); Header (HTTP/1.0401 Unauthorized); require (error user authentication and

This article is taken from a friend. this is not a precious thing. if you pay attention to the collection, I believe many people will have more comprehensive and better information than this one. but for some reason. these materials have never been

Expose five common database problems in PHP applications-including database pattern design, database access and use of database business logic code-and their solutions. Expose five common database problems in PHP applications-including database

The error message "Fatalerror: Can & amp; rsquo; tusefunctionreturnvalueinwritecontext" is displayed in the empty function today. This function is strange. The error message "Fatal error: Can't use function return value in write context" is

How to write the MVC file entry is completely based on the programmer's engine design and the programmer's preferences. However, our ultimate goal is to use simple code to introduce the engine to handle other things. How to write the MVC file entry

In php, I will introduce two commonly used array filter functions, array_filter and array_unique. one is to filter array null values and the other is to filter array repeated values. let's take a look In php, I will introduce two commonly used array

& Lt ;? Php * operator number (PHP) operator symbol ** is divided: * 1. arithmetic operators +-* % +-* 2. string operators connected to operators * 3. value assignment operators +-* % /* Operator number (PHP) operator symbol * * By

When phpmyadmin is enabled, the system prompts that the mcrypt extension cannot be loaded. check that the PHP configuration is incorrect. in the following cases, the phpmyadmin program running may prompt "the mcrypt extension cannot be loaded,

This article will introduce to you the mail or pearmail (windowlinux) sent by PHP. if you need to learn more, please refer to hayi and windowssendmailhttp: This article will introduce you to PHP mail or pear mail (window/linux). For more information,

Previously, I heard from my teacher that the sprintf () function must use the echo method to display the formatted string and output. let's take a look at the simple method. Sprintf is used to format the string. this write method is directly

PHP environment variables include $ GLOBALS [], $ _ SERVER [], $ _ GET [], $ _ POST [], $ _ COOKIE [], $ _ FILES [], $ _ ENV [], $ _ REQUEST [], and $ _ SESSION []. $ _ GET and $ _ POST are mainly for the data submitted by FORM forms, and $ _ COOKIE