PHP

php Get visitor IP address Rollup In my time we need to get the user's real IP address, for example, logging, geographic positioning, the user information, site data analysis, and so on, actually get the IP address is very simple $_server['

Regular expressions are applied in PHP in PHP applications, regular expressions are used primarily for: • Regular matches: matching the corresponding content according to the regular expression · Regular substitution: matching content based on

  This article mainly introduces the PHP database link class (pdo+access), the need for friends can refer to the PHP PDO Access links code as follows: Class Dbhelpclass { private $conn; Private $qxId; private $ret; function

The general user uploads the avatar, will let the user cut out the picture by oneself. So how does PHP implement this function? The Imagecopyresampled method of the main use of the GD library in the clipping picture in PHP Cropping example:

If PHP is already compiled on the system, then you need to add a new extension. One way is to recompile PHP completely, another way is to compile the extensions separately, in extension form. The following is an example of installing Curl

  This article mainly introduces the PHP image scaling implementation method, the need for friends can refer to the following PHP Basic Exercise-image scaling: Code as follows: type of control.

This article describes the PHP implementation of timer page running time monitoring class and its usage, is a very practical PHP class file. Share to everyone for your reference. The specific analysis is as follows: The PHP timer page runs the time

This article illustrates the bidirectional queue classes implemented by PHP and its usage, and has good reference value for the learning of PHP data structure and algorithm. Share to everyone for your reference. The specific analysis is as follows:

This article mainly from 8 aspects of PHP and Java in the Web development of the pros and cons of doing a comparative analysis, a very good article, here recommended to the small partners. Comparing PHP and JSP two Web development technologies, the

  Is there any way to implement multithreading in PHP? Suppose you are writing a PHP application based on multiple servers, ideally sending requests to multiple servers at the same time instead of one after the other. Can it be achieved? The answer

First you need to go to download the Sendmail.zip file from http://glob.com.au/sendmail/, click here to download it directly Oh, then unzip it to the d:/php/sendmail/directory. Then open the php.ini file and find the following code The code is as

  This article mainly introduces the example of PHP to send mail, and can send the message with the attachment, we refer to use bar   emailclass.php Code is as follows:

  This article mainly introduces the various forms of PHP to send mail, including the use of mail () function, the use of pipe form, the use of Phpmailer class and other methods, we refer to the use of the bar 1. Use the mail () function Nothing

Method one, nginx limit suffix Solution: The code is as follows Location ~*. (Txt|doc|sql|gz) $ {if (-f $request _filename) {Break}} The code above restricts the TXT doc sql gz filename suffix from being

Recently done a scan two-dimensional code to get a vcard project, encountered a problem, a part of the generated two-dimensional code, using the Android phone after scanning the Chinese name of the vcard is garbled, after the discovery, this part of

　　 Bubble sort function Maopao_sort ($demo) { $num = count ($demo); for ($i =0; $i for ($j = $num-1; $j > $i; $j-) { if ($demo [$j] $temp = $demo [$j]; $demo [$j]= $demo [$j-1]; $demo [$j -1]= $temp; } } } return $demo; } Insert

This article mainly introduced the PHP to establish the FTP connection method, the example analyzes the PHP operation ftp the correlation function and the use skill, has certain reference value, the need friend may refer to under The example in

Geohash has the following features:First, Geohash uses a string to represent the longitude and latitude two coordinates. With Geohash, you simply apply the index on one column.Second, Geohash represents not a point, but a rectangular area. For

Phpcms -- template label detailed instructions, phpcms Template Phpcms is always used to query various tags, so it is really annoying to find a full range for future reference. It is not so easy to embed An orm into the engine seamlessly when it is

Php regular expression to determine whether it is a valid ID card number, php to determine the ID card number This example describes how to use php regular expressions to determine whether a regular ID card number is valid. We will share this with