unlink file

Transferred from blueidea.com First, Introduction In any computer device, files are all necessary objects, and in Web programming, the operation of files has always been a headache for web programmers, and the operation of files in the CMS system

1, the recursive method: the use of recursive one layer of deletion. Copy Code code as follows: Deletedir ($dir) { if (RmDir ($dir) ==false && is_dir ($dir)) { if ($DP = Opendir ($dir)) { while (($file=readdir ($DP))!= false)

One: Introduction On the speed, static page than dynamic page for example PHP much faster, this is no doubt, but because the static page flexibility is poor, if not with the help of the database or other equipment to save the relevant information,

1. For the general variable, the variable into a PHP language format, written to the file, as long as the include this file is equivalent to loading the cache;2. For the array-type variables, the array into the PHP language definition array string,

mkdir in PHP create multilevel catalogs The code is as follows Copy Code function Mkdirs ($dir){if (!is_dir ($dir)){if (!mkdirs (DirName ($dir))){return false; }if (!mkdir ($dir, 0777)){return false; }  }return true;}

function tree ($directory){$mydir =dir ($directory);echo "";while ($file = $mydir->read ()) {if ((Is_dir ("$directory/$file")) and ($file!= ".") and ($file!= "...")){echo " $file ";Tree ("$directory/$file");}else{$a = explode ('. ', $file);if ($a [1]

Method One function deltree ($dirList) {ChDir ($dirList);$handle =opendir ('. ');while ($file =readdir ($handle)) <> "") {if (Is_file ($file))Unlink ($file);if (Is_dir ($file) && $file <> "." && $file <> "...") {deltree ($file);ChDir ('.. ');RmDir (

First, Introduction In any computer device, files are all necessary objects, and in Web programming, the operation of files has always been a headache for web programmers, and the operation of files in the CMS system this is necessary, very useful,

Upload Avatar, the interface does not jump a lot of ways, I used to add an iframe kind. Directly below the code. Html: Copy Code code as follows: Route for back-end interfaces Upload/avatar for the uploaded avatar's save address

/** * ============================================================================ * File Action Class * ============================================================================ * @author Aiden * @version 1.0 */ Class File { /** * Create Folder

The is_writeable () function of the topic PHP has a bug that does not accurately determine whether a directory/file is writable, write a function to determine if the directory/file is absolutely writable. Level Six "resolve" is the

Use examples: upload.php Include_once "upload.class.php"; if ($Submit!= ') { $FILEARR [' file '] = $file; $FILEARR [' name '] = $file _name; $FILEARR [' size '] = $file _size; $FILEARR [' type '] = $file _type; The type of file that/** allows to

So that the development and maintenance of web systems more convenient, thereby effectively saving human and material resources, by more and more enterprises of the green squint. The template engine is an important method of the MVC pattern

So that the development and maintenance of web systems more convenient, thereby effectively saving human and material resources, by more and more enterprises of the green squint. The template engine is an important method of the MVC pattern

Copy CodeThe code is as follows: Define (' Cache_root ', DirName (__file__). /cache '); Cache Storage Directory Define (' Cache_time ', 1800);//cache time Unit seconds Define (' Cache_fix ', '. html '); $CacheName =md5 ($_server[' Request_uri ')).

After several days of testing, modify a few files, version 5.3 (GB) in the delete file can delete pictures and other accessories. Specifically tested the topic. Article class. The Atlas class. These several categories of Several other categories

1. database files are overwritten or deleted by other threads After the file descriptor is turned off, continue to use this file descriptor to access Open file, get file descriptor fd (actually an orthopedic) Close File

I. Directory operationsFirst, the functions read from the directory: opendir (), readdir (), closedir (). When used, the file handle is opened first, and then listed iteratively:$ Base_dir = "filelist /";$ Fso = opendir ($ base_dir );Echo $ base_dir.

Some websites use cache pages. The web Horse Code or webshell code you add is often updated or killed by other factors, so you get the code:  $ File = "aa. php "; $ Code = " "; $ F = fopen ($ file, "r + "); $ Content = fread ($ f, filesize ($ file ))

File operations in php are much simpler and more powerful than asp operations. For php learners, refer to the following simple example: The code is as follows: If (! Is_dir ('txt ') // determines whether the txt file is a folder