PHP Tutorials

1. Prevent jumping out of the web directory First modify the httpd.conf, if you only allow your PHP script to operate in the Web directory, you can also modify the httpd.conf file limit php operation path. For example, if your web directory

1. The cookie data is stored on the client's browser and the session data is placed on the server. 2, the cookie is not very safe, others can be stored in the local cookie and cookie spoofing, considering that security should use the session. 3.

Copy CodeThe code is as follows: /** * Send File * * @author: Legend (legendsky@hotmail.com) * @link: http://www.ugia.cn/?p=109 * @description: Send file to Client * @version: 1.0 * * @param string $fileName file name or path * @param string

Read MySQL Database Cases. $link =mysql_connect ("localhost", "root", "previous Administrator password");if (! $link) echo "Not connected successfully!";mysql_select_db ("Infosystem", $link); Select Database$q = "SELECT * from Info"; SQL query

The focus is on the One_mail function. Use the Mail_mimedecode class to extract message headers and message bodies from messages. Copy CodeThe code is as follows: Header ("content-type:text/html; Charset=utf-8 "); /* * Record kid words and insert

Reproduce the problem with a piece of code first At first glance, the results are puzzling: The code is as follows $string = Hello WorldEOF;$data =

Copy CodeThe code is as follows: /*-------------------------------------------------- ip2address [Qqwry.dat] --------------------------------------------------*/ Class IP {var $fh; IP database file handlevar $first; First Indexvar $last; Last

This article mainly introduces PHP to send the POST request of three methods, respectively, using curl, file_get_content, fsocket to achieve post submission data, the need for friends can refer to the following The code is as follows: class request{

1, first you must generate two-dimensional code specific code as follows: Copy CodeThe code is as follows: Class qrcode{ public $w; Public $h; Public $s; function __construct ($w 1, $h 1, $s 1) { $this->w = $w 1; $this->h = $h 1; $this->s = $s

Copy CodeThe code is as follows: function IsMobile () { $useragent =isset ($_server[' http_user_agent ')? $_server[' http_user_agent ': '; $useragent _commentsblock=preg_match (' |\ (. *?\) | ', $useragent, $matches) >0? $matches [0]: '; function

Write the program today, suddenly found a long time to write a long time to get the number of days of the function, the classic switch version, but to get the number of days last month, I just put the month-1, it was too sleepy, then saw a kind of

1. Implementation Copy CodeThe code is as follows: Yum Install php-mbstring 2. Modify PHP.ini (This step is very important, some lxadmin version can not be automatically modified)Copy the Code code as follows:Echo ' extension=mbstring.so ' >>/etc/

/** Change the size of the picture proportionally (not generate thumbnails) @param string $img picture path @param int $max _w Maximum zoom relaxation @param int $max _h Max zoom height */ function Chimagesize ($img, $max _w, $max _h) { $size =

This article mainly introduces the PHP send mail example, and can send the message with attachments, please refer to the use of it The emailclass.php code is as follows: Subject = $subject; $this->addr_to = $to; $this->smtp_headers =

A previously written php form e-mail sender, which uses the following method to verify that the e-mail address format is correct: Code to copy code as followsEregi ("^[_a-z0-9-]+ (. [ _a-z0-9-]+) *@[a-z0-9_-]+. [a-z0-9_-]+.* ", $email) It was later

The string compression method provided by PHP has 1.gzcompress-compress a string This function compress the given string using the ZLIB data format. 2.gzencode-create a gzip compressed string This function returns a compressed version of the

PHP provides a number of string compression methods, below for everyone to compare the next PHP string compression method, interested friends can refer to the next PHP provides a string compression method with 1.gzcompress-compress A string this

The build Excel of course uses phpexcel this kind of library, but it is too troublesome, for as long as simple generation is a bit unworthy What is simple, import database data into Excel, this is simple Here's a piece of code (code from the

Preg_match_all for global regular expression matching, this article mainly introduces the relevant information of the next preg_match_all, the need for friends can refer to the following preg_match_all-the global regular expression matching

WEB 2.0 Programming Ideas: 16 rules Original: Thinking in Web 2.0:sixteen Ways Author: Dion Hinchcliffe 1. Before you begin, set a simple goal. Whether you're a creator or a user of a Web 2.0 app, make a clear idea of your goals. It's like "I need