GPC filtering, automatic escape of special characters in $_get,$_post,$_cookie to prevent SQL injection attacks
$_get = Saddslashes ($_get);
$_post = Saddslashes ($_post);
Copy CodeThe code is as follows:
The following is an example of daddslashes (
Copy CodeThe code is as follows:
Setcookie ("username", "bu", Time () +3600);
echo "AAAAA";
?>
Run with warning
Warning
: Cannot modify header information-headers already sent by
Here's what others suggest
Method One:There are some restrictions on
PHP array is still more commonly used, so I studied the PHP array loop operation, here to take out and share with you, hope to be useful to everyone. PHP is basically an array language. Often to do a large number of PHP array loop operation, there
When the Windows Server opens the PHP GD library, the results of phpinfo () after using CGI do not appear gd in the Configure Command.
Configure Command is displayed after theIs:
Copy CodeThe code is as follows:
1 Cscript/nologo configure.js
ARGC,ARGV useful when compiling programs with the command lineWe will find such parameters in the timed task script, $obj->run ($argv [1]);
*/30 * * * */usr/local/bin/php/htdocs/test.com/uaqm/commands/test.php 1 >/dev/null 2>&1
Just like the timed
Require_once ('.. /class.phpmailer.php ');
$mail = new Phpmailer ();
$body = "I finally sent the mail successfully!" Oh! Goodboy xxxxxxx!
Http://news.qq.com/a/20111115/000792.htm?qq=0&ADUIN=594873950&ADSESSION=1321316731&ADTAG=CLIENT. qq.3493_.0
In the past, when running a large Web application, it meant running a large Web server. Because your application attracts a large number of users, you will have to add more memory and processors to your server.
Today, the ' large server ' model has
PHP provides the Simplexml_load_string method to parse the XML format string and return the SimpleXMLElement object. However, the general array is more applicable, so there will be the need to convert to a normal array, this method of testing is
Session Start
Session_Start (); Start a session, if you want to use the session program, you must add this sentence
$_session[' user_id ' = ' 123 ';//Assign a value to a SESSION variable if the variable does not exist to create
echo $_session['
1. PHP can read random strings
This code creates a readable string that is closer to the word in the dictionary, and is practical and has password validation capabilities.
/*************** @length-length of random string (must be a multiple of 2)***
Cgi
The CGI name is a "public Gateway Interface" (Common Gateway Interface), a tool that the HTTP server "chats" with programs on your or other machines, and its programs must be run on a network server.
CGI can be written in any language, as long
A complete PHP acquisition of Chinese characters Phonetic Alphabet implementation program, there is a need for friends to refer to.
The code is as follows
Copy Code
Class Getpingying {Private $pylist = Array (' A ' =>-2
The article first introduces the structure of the file content of Qqwry.dat and then according to its characteristics we can write read the contents of the Qqwry.dat IP library to find what we want.
First look at the content structure of the
PHP is an efficient network programming language, because it has the advantages of flexible writing, fast running, and quickly become the preferred language for Web programmers. So how do you become a good PHP developer?
To become a PHP programmer
This article to the students about the Preg_replace () parameters are several multiple substitution of some self-understanding and replacement number of solutions, there is a need to understand the same non-reference.
Mixed preg_replace (mixed
An example of how to improve the performance of PHP program and load test code, the need for friends can see how to improve the performance of their programs oh.
Calculate the time of executionThe following simple method can be used to calculate the
PHP get directory All files with all directories saved to the array program This is a use of the Glob function to save all files and folders in the specified directory to the data, and then we then use a foreach again to determine the relevant data
For primary
The first question is, what is a "remote file Containment vulnerability"? The short answer is that the server through the PHP arbitrary file contains the filter is not strict, to execute a malicious file, which is a programmer filtering
PHP Tutorial Ereg () convert HTM to XML file implementation method
Syntax: int ereg (string pattern, string string, array [regs]);
return value: Integer/array
$text = "
This was some text here "".
";Ereg ("
(([^", $text,
When we execute a shell command for a Linux system, we useAlthough these three commands are capable of executing the shell commands of the Linux system, they are actually different:
System () outputs and returns the last line of the shell
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