unlink file

PHP sort 100 million QQ number Eat full drink enough, also post. Split into thousands of parts for sorting and merging. First create a 100 million QQ number of TXT. PHP Code $v) { $arr = range ($v *10000+10000,10000* ($v +

Send a simple example first Copy CodeThe code is as follows: if (!is_dir (' txt '))//Determine if TXT is a folder directory { mkdir (' txt ');//Create a folder directory named txt $open =fopen (' txt/in.txt ', ' w+ ');//Open file in read-write

The code is as follows: Copy CodeThe code is as follows: /*************************************************************************** Batch-replace,

$ File = "./Some faqsums related to the PHP operation file. txt ";// ======================== Determine whether the file can be read (permission problem), or whether the file does not existIf (is_readable ($ file) = false ){Echo " ";Die ('no ');} //

Class autocache {Private $ _ cache_root = "D:/Cache/"; // cache pathPrivate $ _ cathe_life = 86400; // life cycle, 86400 seconds is a dayPrivate $ _ cache_suffix = ". html"; // cache file extensionPrivate $ cache_file_name; // cache file namePrivate

The usage is very simple. You only need to include a file... /*** Auto_cache.php implements intelligent automatic cache. * Extremely easy to use: * require 'Auto _ cache. PHP '; it's OK * @ author rains31@gmail.com * // This file does not allow

CopyCode The Code is as follows: /* Code function: uses PHP to classify and store images by creation time; The Image File Attribute must be removed from the read-only attribute; otherwise, it cannot be deleted. By lost63 */ // Delay

Delete an object Use unlinke functions, such as unlink $ file, unlink $ file1, $ file2, $ file3 Open a file Open the file with three parameters, which makes it easy to differentiate the mode and file name. This method is supported in Versions later

First, a simple instance is provided. Copy codeThe Code is as follows: If (! Is_dir ('txt ') // determines whether the txt file is a folder directory. { Mkdir ('txt '); // create a directory named txt $ Open = fopen ('txt/in.txt ', "w +"); // open a

Method 1: Copy codeThe Code is as follows: /** * Directory generation class: UtilsMakeDir * @ Author yepeng * @ Since 2010.3.18 */ Class UtilsMakeDir { // This directory is not created when the base directory is created. This should be an existing

How does Python determine whether a file or folder exists? This article mainly describes how to determine whether a file or folder exists in Python. This article also describes how to determine whether a file or folder exists, and how to determine

Explains how to use the PHP function rmdir. In PHP, there are many functions for programming, and their functions are also very powerful. Today we will introduce to you that PHP is a type of function embedded in HTML and server in PHP. There are

The specific parsing of PHP Generic file Upload class. For example, if you can upload an exhibit and upload a thumbnail for it, the restricted type of the thumbnail file may be jpg, gif, and png, the following is a detailed explanation.For example,

File Operations in php are much simpler and more powerful than asp operations. For php learning, refer File Operations in php are much simpler and more powerful than asp operations. For php learning, refer First, a simple instance is

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

This article describes three methods for deleting folders in PHP. For more information, see 1. recursion The code is as follows: DeleteDir ($ dir){If (rmdir ($ dir) = false & is_dir ($ dir )){If ($ dp = opendir ($ dir )){While ($ file = readdir ($

Delete files in php using the unlink function. The unlink function is used to delete files in php, but we can determine whether the file has the permission to be deleted. next I will give you a brief introduction to the unlink function usage and

Copy CodeThe code is as follows: Class HTML{var $dir; Dir for the htmls (without/)var $rootdir; Root of HTML files (without/): HTMLvar $name; HTML file storage Pathvar $dirname; The specified folder namevar $url; Gets the source page address of the

First , the directory operation is the function read from the directory, Opendir (), Readdir (), Closedir (), when using the first open the file handle, and then the iteration list: $base _dir= "filelist/"; $

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