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How to attack common vulnerabilities in PHP programs

The article mainly analyzes the security of PHP from the aspects of global variables, remote files, file uploads, library files, Session files, data types and error-prone functions, and puts forward some useful suggestions on how to enhance the security of PHP. .

Dec 14, 2016 am 11:41 AM

Cursors and dynamic SQL

Static cursors (referring to cursors that are statically bound to a select statement during compilation. This cursor can only be used on one query statement) and dynamic cursors (which means that we hope that our query statement will only follow the cursor when it is running. Cursor binding, in order to use a dynamic cursor, the cursor variable must be declared).

Dec 14, 2016 am 11:39 AM

PHP advanced: achieve unlimited classification

The article describes in detail PHP advanced: realizing unlimited classification, I hope it can be helpful to everyone!

Dec 14, 2016 am 11:38 AM

Summary of advanced PHP templates

How to use PHP to write code quickly, templates seem to be the only choice. But should a PHPer ultimately stick to using templates, give up on templates, or use his own templates?

Dec 14, 2016 am 11:35 AM

A PHP template, mainly to reflect the idea

Dec 14, 2016 am 11:34 AM

sqlserver cursor usage and looping

This article introduces: sqlserver cursor usage and loops. You can refer to it if necessary.

Dec 14, 2016 am 11:34 AM

Use PHP and Smarty template technology to generate code for paging static pages

Directly use code to display the code that uses PHP and Smarty template technology to generate paging static pages.

Dec 14, 2016 am 11:32 AM

SQLSERVER cursor and loop statements

To sort it out, regarding cursors, MSDN has: Retrieving specific rows through Transact-SQL server cursors.

Dec 14, 2016 am 11:30 AM

SQL Cursor A simple example

When Selecting, a result set is returned. If you need to read a row of data during the result set return process. This row of data needs to be processed, such as returning a query result set based on the read data as query conditions, etc. The application needs to use a cursor.

Dec 14, 2016 am 11:28 AM

SQL cursor usage examples

This article mainly introduces: SQL cursor usage examples, you can refer to them if you need them.

Dec 14, 2016 am 11:23 AM

The use of cursors in SQL

Under normal circumstances, when we use SELECT query statements, they are all for one row of records. If you want to read multiple rows of records (i.e., recordset) in the query analyzer, you need to use a cursor or WHILE Waiting loop

Dec 14, 2016 am 11:20 AM

How much faster is preg_replace than ereg_replace?

preg_replace is a text matching mode built into Perl, but some parameters are more complicated to use than ereg_relace. In actual project applications, many people use ereg.

Dec 14, 2016 am 11:15 AM

ereg_replace preg_replace

Performance comparison of for, while, foreach

Generally, there are three methods for traversing an array, for, while, and foreach. The simplest and most convenient of them is foreach. So what are the differences in operation and performance between them? Which method is usually better to use.

Dec 14, 2016 am 11:13 AM

Class autoloading function

PHP will report a fatal error when you try to use an undefined class. The solution is to add a class, which can be included in a file. After all, you know which class to use. However, PHP provides automatic loading of classes. function, which saves programming time.

Dec 14, 2016 am 11:12 AM