PHP Tutorials

/* * PHP replacement article inside the chain * by bbs.it-home.org */ function _base64_encode ($t, $str) { Return $t. " \ "". Base64_encode ($STR). " \""; } function _base64_decode ($t, $str) { Return $t. " \ "

PHP line breaks for different systems The implementation of line breaks between different systems is not the same Linux and Unix with/n MAC with/R//bbs.it-home.org Window is/r/n in order to show that it is different from

function GetIP () { $unknown = ' unknown '; if (isset ($_server[' http_x_forwarded_for ')) && $_server[' http_x_forwarded_for '] && strcasecmp ($ _server[' http_x_forwarded_for ', $unknown)) { $ip = $_server['

This article describes a simple way to prevent DDoS attacks in PHP programming, with the need for a friend to reference.We know that a denial of service attack, a DDoS attack, can cause bandwidth to be consumed, making it inaccessible to normal

/** * Add article keywords, inner chain * by bbs.it-home.org */ $link = Array ( ' Baidu, http://www.baidu.com/', ' dedecms,http://bbs.it-home.org/', ); $str = ' Search for dedecms in Baidu '; $out =

This article introduces, using PHP to get Baidu included, as well as Baidu snapshot time of a piece of code, there is a need for friends, make a reference bar.PHP code to implement the query Baidu included the situation and Baidu snapshot time.Code:

/** * File name (sample2.php) * by bbs.it-home.org * Function description (slightly) * @package Sample2 */ /** * Include files */ Include_once ' sample3.php '; /** * Declare global variables

chat.php Header (' cache-control:private '); Header (' content-type:text/html; Charset=utf-8 '); ?> Copy CodeSave user-submitted chat content simple version:

/** * PHP Upload files * edit:bbs.it-home.org */ if (($_files["File" ["type"] = = "Image/gif") || ($_files["File" ["type"] = = "Image/jpeg") || ($_files["File" ["type"] = = "Image/pjpeg")) && ($_files["File" ["Size"

This article introduces, PHP implementation can record search engine Routing and keyword of a piece of code, there is a need for friends reference.Code: ' Baidu ', ' Google. ' = ' Google ', ' Soso. ' = ' Search ', ' Sogou. ' = ' Sogou ', '

Typecho_widget::widget (' Widget_metas_tag_cloud ')->to ($tags);?> ()):?> Next ()):?> , , ) "href=" permalink ();? > "> Name ();?> Copy

Share a PHP operation DNS class, can be used for DNS queries, DNS resolution and other operations, the need for a friend reference.The DNS parsing class implemented by PHP is as follows: name = $name; $this->type = $type; $this->dclass =

Analysis under php three equals = = = and two equals = =, the difference in the comparison operation, there is a need for friends reference.Recently, want to study the next php "= = =" and "= =" the specific difference. In fact, "= = =" is also used

This article describes the PHP implementation of crawling Spider Crawler traces of a piece of code, there is a need for friends reference.Using PHP code to analyze the Spider crawler traces in the Web log, the code is as follows: ' Googlebot ',

Share a function to intercept a specified length string, you can specify the length of the string to intercept, and can set the display content of the outside part, it is good, it is worth learning from.The string content of the specified length is

This article shares a PHP upload image code, through the built-in PHP function to achieve file upload, the need for friends reference.1,form form Section 2, upload the image file PHP code $max _size) {echo ' file is too large

This article introduces, using PHP to realize the interlaced color of a piece of code, the need for a friend reference.One of the most common implementations of PHP programming is the dynamic output of data, especially when the output is displayed

This article share, a section can be simulated poker play PHP code, there is a need for friends to reference.PHP Poker code, as follows: Cut (); * Www:jbxue.com*/class cards{/**** Declare Our deck variable **/private $deck;/**** Constructor:

This article describes an example of PHP generating a global Unique identifier GUID, which is required by a friend under reference.1. Create PHP class library file-guid.php name = $coumputer _name; $address->ip = $ip; return $address; }

This article introduces, with PHP implementation of multi-threaded crawl Web page code, there is a need for friends reference.In PHP, you can use curl to perform various transfers of files, such as simulating a browser sending a get,post request.