PHP Prevent SQL injection Implementation _php Tutorial

SQL injection because you want to manipulate the database, it is common to look for SQL statement keywords: INSERT, delete, update, select, see if the passed variable parameter is user-controllable, whether it has been handled safely or not. How SQL

PHP strstr, Stristr, strpos function comparison _php tutorial

In the case of character lookup in PHP provided us with three functions strstr, STRISTR, Strpos, the use of their three is a little different. Let's take a look at the related functions. Grammar:String Strstr (String haystack, string needle)Returns

PHP Prevent SQL injection Code _php tutorial

PHP tutorials Prevent SQL injection code */ function Inject_check ($sql _str) {//Prevent injection $check = eregi (' select|insert|update|delete| ' | /*|*|.. /|. /|union|into|load_file|outfile ', $sql _str); if ($check) { echo "Input

Use regular, from the specified starting position, in the source string to intercept the fixed-length string _php tutorial

[Code] uses regular, from the specified starting position, in the source string to intercept the fixed length string (including Chinese) [fourth edition] [Code] uses regular, starting from the specified starting position, in the source string to

PHP in the page of the program based on the message board detailed _php tutorial

The article is focused on the principle of paging in PHP, at the same time we are using an implementation to explain how to implement paging in PHP, this is based on their own written to leave the square board program, a need for friends can refer

PHP storage routines, stored procedures Advanced Learning _php Tutorial

What is a storage routine? A storage routine is a set of SQL statements that is stored in a database tutorial server, by invoking a specified name in the query to Line these SQL statement commands.Why use stored procedures?We all know that there

PHP MSSQL Database Connection Code _php tutorial

PHP Tutorial MSSQL Database Tutorial Connection code $conn =adonewconnection (' Odbc_mssql ');$conn->pconnect ("Driver={sql Server}; Server=dlut-pcsqlexpress;database=yuyan; ", ' Zhouhao ', ' 950288 ');$ADODB

SQL Server to Oracle Connection Server _php Tutorial

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This article takes SQL Server 2k as an example to illustrate the specific implementation process for SQL Server to Oracle connection server.   1. Requires the Oralce client software and sqlserver2000 software to be installed on the PC.   2.

APACHE + PHP3 + mysql in win98_php tutorial

Configuration of Apache+php3+mysql under WIN98 Author: Sam Shang First, install and configure the PHP3 1. Unpack the package to your favorite directory such as: C:PHP3 2. Rename the C:php3php3.ini-inst file to Php3.ini and copy to C:windows 3,

PHP MySQL get all table names for the specified database _php tutorial

PHP tutorial MySQL tutorial get the specified database tutorial all table names If you want to show MySQL a table name for a specified database, the method is simple, MySQL provides a show tables command, it returns a data, the following is a

ajax+php Verifying user name Duplicate code instance _php Tutorial

This tutorial is a use of Ajax PHP after the user entered the user name, will send a request to the PHP program, and then query the data, to determine whether the user to register the user name is registered or there is duplicate, timely return

PHP judgment string is pure English, pure Chinese or Chinese-English mixed _php tutorial

Here are some of my collection of PHP judgment string is pure English, pure Chinese or Chinese-English mixed examples, we can refer to. Pure English The code is as follows Copy Code if (Preg_match ("/^[a-z]*$/i", "FDSFDFD"

PHP Delete null value in array or specify value operation _php Tutorial

We introduce the operation of the array in PHP, delete the specified value in the array or determine whether there is a value in the array or clear the empty value operation, the need for students can refer to. Let's take a look at a number of ways

Read a text file and display it in a Web page _php tutorial

Read the text file and display on the page in this article two kinds of reading text files and displayed in the PHP instance of the Web page, the method is very simple, with fopen, add explode,for to achieve. Reads a text file and displays it in a

PHP Regular Expressions extract the HREF address in an HTML hyperlink _php tutorial

Sometimes we need to filter or extract the HTML string outside the link, below I introduce a PHP regular expression to extract the HTML hyperlink in the HREF address program, you machine reference. Use the regular expression correlation function of

PHP array passed to JavaScript and Json_encode GBK _php tutorial for solving garbled language

This article describes the PHP array passed to JavaScript and Json_encode GBK Chinese garbled solution, the following is the creation of JSON function, this section from the online one of the heroes The code is as follows Copy Code

PHP exec in Linux return value cannot be negative question _php tutorial

The EXEC function is not a problem in a Windows environment, but the return value in Linux cannot be negative. String exec (string $command [, Array & $output [, int & $return _var]]) Third parameter, how can not receive negative numbers??Here &

One of the discussions about output buffering (buffering) _php tutorial

######################################### # #标题 A discussion of output buffering # #整理 Diego Lynn @ Lam National # #原作 by Zeev Suraski ######################################### Discussion of output buffering (outputs buffering) Directory HTTP Header

PHP Utf-8 and gb2312 encoding conversion garbled problem _php Tutorial

After a time of PHP + MSSQL, the feeling of MSSQL support for the code is not very good (in fact, I did not grasp it well), but has not yet come to the urgent exchange of databases, only on the point, and today in the submission of data

The difference between mb_convert_encoding and iconv in PHP _php tutorial

Mb_convert_encoding This function is used to convert the encoding. It turns out that the concept of program coding is not understood, but it seems to be a bit enlightened now. However, there is generally no coding problem in English, only the

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