File_exists

In the php tutorial there is a function to change the filename, rename ($ o, $ n), $ o is the old filename, and $ n is the new filename to be modified. Now let's look at an example of a filename that is named "? Php session_start (); if ($ submit ==" submit ") {if (file_exists ($ old_name)) {if (rename ($ old_name, $ new_name )) // ...

php tutorials to determine the existence of the file or directory method is very simple php file or directory to determine whether there is a function that comes with file_exists file exists to determine whether the directory exists we use is_dir ok. * / $ file = "data.txt"; $ dir = "www.jzread.com/newdata"; if (file_exists ($ file)) {& nb

File_exists (PHP3, PHP4) file_exists---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Check for file syntax: int file_exists (string filename) Description: Returns True if the specified file filename exists, or returns FAL ...

Recently the site is often attacked, and later thought of a way to use php tutorial to prevent the site from being attacked. Here is my code, the code is not the best, according to their needs to do, here's my code. / * * Anti-ip attack code website website (anti-ip attack code website) 2010-11-20, ver2.0 * mydalle.com anti-refresh mechanism * design by www.jzread.com ...

PHP Zip unzip files online decompression function code / ********************** * @ file - path to zip file * @ destination - destination directory for unzipped files * / function unzip_file ($ file, $ destination) {// create object ...

php tutorial image upload code (with thumbnails and add watermarking function) This picture upload source code is a can upload pictures and also has to upload images generated thumbnails and watermarking Oh, can be said to be a perfect Image upload category Oh. class upfile {public $ filepath = "www.jzread.com/"; / / upload files stored in the folder public $ filesize = 10 ...

PHP file Zip compression/* Creates a compressed zip file/function create_zip ($files = Array (), $destination = ", $overwrite = False) {// If the zip file already exists and overwrite is false, return false I ...