PHP file operations related class instance, _ PHP Tutorial

Php file operations related class instances ,. Php file operation-related classes. this example describes php file operation-related classes. Share it with you for your reference. Details: phpclassfile_dir {functioncheck_exist ($ filena php file operation-related class instance,

This example describes the php file operation classes. Share it with you for your reference. The details are as follows:

<? Php class file_dir {function check_exist ($ filename) // check whether the directory or file exists {if (file_exists ($ filename) {return true;} else return false ;} function create_dir ($ dirname, $ mode = 0777) // only the first-level directory can be created at a time. {if (is_null ($ dirname) | $ dirname = "") return false; if (! Is_dir ($ dirname) {return mkdir ($ dirname, $ mode) ;}} function createDir ($ aimUrl) // you can create a multilevel directory {$ aimUrl = str_replace ('\', '/', $ aimUrl); $ aimDir = ''; $ arr = explode ('/', $ aimUrl); foreach ($ arr as $ str) {$ aimDir. = $ str. '/'; if (! File_exists ($ aimDir) {mkdir ($ aimDir) ;}} function delete_dir ($ dirname) // delete the directory {if ($ this-> check_exist ($ dirname) and is_dir ($ dirname) {if (! $ Dirhandle = opendir ($ dirname) return false; while ($ file = readdir ($ dirhandle ))! = False) {if ($ file = ". "or $ file = ".. ") continue; $ file = $ dirname. DIRECTORY_SEPARATOR. $ file; // indicates that $ file is the $ dir subdirectory if (is_dir ($ file) {$ this-> delete_dir ($ file );} else {unlink ($ file) ;}} closedir ($ dirhandle); return rmdir ($ dirname);} else return false;} function copy_dir ($ dirfrom, $ dirto) // Copy the directory {if (! Is_dir ($ dirfrom) return false; if (! Is_dir ($ dirto) mkdir ($ dirto); $ dirhandle = opendir ($ dirfrom); if ($ dirhandle) {while (false! ==( $ File = readdir ($ dirhandle) {if ($ file = ". "or $ file = ".. ") continue; $ filefrom = $ dirfrom. DIRECTORY_SEPARATOR. $ file; // indicates that $ file is a $ dir subdirectory $ fileto = $ dirto. DIRECTORY_SEPARATOR. $ file; if (is_dir ($ filefrom) {$ this-> copy_dir ($ filefrom, $ fileto);} else {if (! File_exists ($ fileto) copy ($ filefrom, $ fileto) ;}} closedir ($ dirhandle);} function getdir_size ($ dirname) // Obtain the directory size {if (! File_exists ($ dirname) or! Is_dir ($ dirname) return false; if (! $ Handle = opendir ($ dirname) return false; $ size = 0; while (false! ==( $ File = readdir ($ handle) {if ($ file = ". "or $ file = ".. ") continue; $ file = $ dirname. "/". $ file; if (is_dir ($ file) {$ size + = $ this-> getdir_size ($ file );} else {$ size + = filesize ($ file) ;}} closedir ($ handle); return $ size;} function getReal_size ($ size) // unit automatic conversion function {$ kb = 1024; $ mb = $ kb * 1024; $ gb = $ mb * 1024; $ tb = $ gb * 1024; if ($ size <$ kb) return $ size. "B"; if ($ size >=$ kb and $ size <$ mb) return round ($ size/$ kb, 2 ). "KB"; if ($ size >=$ mb and $ size <$ gb) return round ($ size/$ mb, 2 ). "MB"; if ($ size >=$ gb and $ size <$ tb) return round ($ size/$ gb, 2 ). "GB"; if ($ size >=$ tb) return round ($ size/$ tb, 2 ). "TB";} function copy_file ($ srcfile, $ dstfile) {if (is_file ($ srcfile) {if (! File_exists ($ dstfile) return copy ($ srcfile, $ dstfile);} else return false;} function unlink_file ($ filename) // delete the file {if ($ this-> check_exist ($ filename) and is_file ($ filename) {return unlink ($ filename);} else return false ;} function getsuffix ($ filename) // Obtain the filename suffix {if (file_exists ($ filename) and is_file ($ filename) {return end (explode (". ", $ filename) ;}} function input_content ($ filename, $ str )/ /Write the string to the file {if (function_exists (file_put_contents) {file_put_contents ($ filename, $ str);} else {$ fp = fopen ($ filename, "wb "); fwrite ($ fp, $ str); fclose ($ fp) ;}} function output_content ($ filename) // read the entire file content to a string {if (function_exists (file_get_contents) {return file_get_contents ($ filename);} else {$ fp = fopen ($ filename, "rb"); $ str = fread ($ fp, filesize ($ filename); fclose ($ fp); return $ str ;}} func Tion output_to_array ($ filename) // read the file content to an array {$ file = file ($ filename); $ arr = array (); foreach ($ file as $ value) {$ arr [] = trim ($ value);} return $ arr ;}// $ dir = new file_dir; // $ size = $ dir-> getdir_size ("F:/wamp/www/class/images"); // echo $ dir-> getReal_size ($ size);?>

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Examples of PHP file operations. Share it with you for your reference. Php class file_dir {function check_exist ($ filena...