PHP

/*** Function name: php_ftp_download* Function to download files from an Ftp server* Entry parameters* Filename: the name of the file to be downloaded, including the path*/Function php_ftp_download ($ filename ){$ Phpftp_host = "ftplocalhost"; //

We all know that string operations, regardless of the language, are an important foundation, often simple and important. Just as people speak, they generally have shapes (graphical interfaces) and languages (print strings ?), Obviously, strings can

What we want to introduce to you today is // The PHP header function sends a 404 status code to the browser.Header ("HTTP/1.1 404 Not Found ");OrHeader ("HTTP/1.1 404 ″); // PHP header function permanent redirectionHeader ("Location:

Table 1. PHP comparison Operators Example name result$ A = $ B is equal to TRUE if $ a is equal to $ B.$ A ===$ B all equal to TRUE, if $ a is equal to $ B, and their types are the same. (Introduced in PHP 4)$! = $ B is not equal to TRUE, if $ a is

Through 1. Framework The framework is one of the most important issues for PHP developers. There are many ways to develop web applications using PHP. There are many open-source frameworks that can be used to help rapid development and maintain

// Send the 404 status code to the browserHeader ("HTTP/1.1 404 Not Found ");OrHeader ("HTTP/1.1 404 ″); // Permanent redirectHeader ("Location: http://weizhifeng.net/"); // The default value is 301.// Temporary redirectionHeader ("HTTP/1.1 302

When developing Web applications, you may encounter files in different formats-CSV data, password files, XML-encoded content, and binary data in different forms. Your PHP script will frequently interact with these files, read data from them, and

PHPHypertext Preprocessor is an embedded HTML language and a popular web programming language. It supports a wide range of back-end databases and covers almost all the current database systems. At the same time, it includes general language

The following describes whether the is_writable file can be read and written. The following describes whether the is_writable file can be read and written. Is_writable(PHP 4 and PHP 5)Is_writable-tell whether filename is writtenDescriptionBoolean

Php umask function tutorial Umask value(PHP 4 and PHP 5)Umask-changed the current umaskDescriptionInterpreted umask ([International $ mask])Set the umask value of PHP to mask and 0777, and return the old umask. When PHP is used as a server module

Php filemtime-Get file modification time Filemtime(PHP 4 and PHP 5)Filemtime-Get file modification timeDescriptionInternational filemtime (string $ file name)When this function is returned, the data block file is written, which is the content file

The header function sends some header information in php. If we can directly use it for 301 redirection, I will summarize the usage of the header function and some common solutions. Send an original HTTP Header [Http Header] to the client. The

P> conversion of UTF8 Chinese characters using GBK UnicodeConverting Chinese Characters in php has always been a problem.This class has four built-in filters "& # [dec];", "& # x [hex];", "% u [hex]", "utf8 conversion"It is convenient for users and

Perl is the preferred language for interpreting Linux Command Line scripts. Today, we have more options, including Python, Ruby, and PHP. If you have already compiled PHP code for your website and are familiar with this language, you will find that

This source code is a php website with the same IP address query code. If you like it, please come and check it out. If (function_exists ('date _ default_timezone_set ')){Date_default_timezone_set ('Asia/Shanghai'); // set the time zone}Define ("APP_

Php shopping cart is used on e-commerce websites. It is similar to a shopping cart in a supermarket. After selecting a commodity, put it in your own shopping cart and wait for it to go to the counter for settlement, this php shopping cart is totally

PHP is a managed language. In PHP programming, programmers do not need to manually allocate and release memory resources (except for PHP or Zend extensions written in C ), this means that PHP implements the Garbage Collection mechanism (Garbage

There are many character string operations in PHP3.0, including the following:(1) echo, print, printf, sprintfUsed to output the string. If there is a variable name in the string, it will be replaced with its value. The last two functions are

When a program is written, there are two methods to determine whether a file exists. Some use is_file and some use file_exists. Which one is better or more suitable? Determine whether an object exists using is_file or file_exists? When a program is

Php tutorial to generate excel xls document Method 1-use the HTTP Header As described in MS Word, You Need To Format HTML/PHP pages using Excel-friendly CSS and header information Add to your PHP script.Header ("Content-type: application/vnd.