php php

PHP is_dir () function User Guide. In PHP, the is_dir () function usage guide php provides the built-in function is_dir to check whether the input path parameter is a directory. if it is a directory, true is returned. That is to say, the input

This article mainly introduces the simple triangle and rectangular perimeter area calculator implemented by PHP. The implementation in this article is relatively simple and provides code file download, if you need it, you can use PHP object-oriented

1. Set the href attribute of the hyperlinka href="文件地址">a>If the browser cannot parse the file, the browser will download it automatically.If the file is a picture or TXT, it will open directly in the browser.2. Output file streamdownload.phpWhen

[PHP] PHP process Series-learning (1) $ NowPID = getmypid (); // Obtain the PID of the current master process $ PID = pcntl_fork (); // when a sub-process is created successfully. PID = 0 (sub-process) PID> 0 (parent process) If ($ PID =-1

Php !--? php Header ("content-type:text/html;charset=gb2312"); //This is the excel_reader2.php package for the home of the download script! Baidu is under the! require_once ' excel/excel_reader2.php '; $dir = "wps/";//

Execute system external commands in PHP. As a server-side scripting language, PHP is fully competent for tasks such as simple writing or complex dynamic web pages. But this is not always the case. sometimes, in order to implement a PHP script

Upload files in PHP. Php (as the mainstream development language) also supports file upload, but not all websites that support php (as the mainstream development language) support this function, in particular, php-free (as the mainstream development

Thriftsocketserver implemented by php. Php-thrift-server source code is directly cloned from apache's thrift Project and hosted on github: github. the code for adding or modifying comvolcathrift is as follows: libphp' -- src | -- php-thrift-server

One, PHP script code tag PHP script is a special tag in the file included in the content, such as ASP is "", PHP can be seen as " ”。 However, in order to adapt the XML standard to embed PHP into XML or XHTML, PHP does not recommend using the short

This article mainly introduces the type constraints in PHP. PHP class methods and functions can implement type constraints, but the parameters can only specify four types: Class, array, interface, and callable, the parameter can be NULL by default,

Simple example of observer pattern in PHP, PHP watcher Instance The Observer pattern is one of the more common patterns in design patterns, with two or more classes interacting with one another. This pattern allows a class to observe the state of

Share the image verification code file written in PHP ,. PHP-compiled image verification code file sharing, applicable to custom verification code! Php ** Tochangethislicenseheader, chooseLicenseHeadersinProjectProperties. * share the image

Php --- PHP uses the GD library for screenshots. PHP uses the GD library to implement screenshot PHP5.2.2 and later versions. the GD library implements two screenshot functions: imagegrabscreen and imagegrabwindow, which are used to capture the

Objective System Environment: WINDOW8 Operating Environment: XAMPP Editor: Sublime Text 2 As a result of self-taught Android development, back to find internships, is now scheduled to do PHP development. Install the development environment

Analysis of closures (anonymous functions) in PHP and php. The closure (anonymous function) in PHP is also called the anonymous function PHP5.3. The code for copying the values in the array elements should be adjusted as follows: $ closure

Example of dynamic variable usage in PHP, PHP variable usage example The example in this article describes the usage of dynamic variables in PHP. Share to everyone for your reference. The specific analysis is as follows: Fixed variables

The inheritance relationship of classes in PHP, the PHP inheritance relationship In PHP, I often write a class, the class writes a common method, and then let the subclass to inherit to get the corresponding function. Let's say there's a parent

For a summary of some strings in PHP, PHP string Summary PHP comes with a truncated string function, can only handle English, the number can not intercept the Chinese mixed, oh, there is a need for friends to refer to, the latter is more useful,

converting signed integers to unsigned integer methods in php, PHP integer In a short address item, the ID of a six-bit short address map becomes a signed integer, based on the six-bit character-to-ID mapping algorithm, when the ID exceeds 214748364

Wampserver and eclipsephp using PHP (PHP Novice can see) Wampserver and eclipsephp PHP development Just started to learn PHP, at the beginning of the use of Appserv+ultraedit, and then downloaded the wampserver+eclipsephp and installed. UltraEdit