Phpfilesystem file system function usage

Phpfilesystem file system function usage

$ Path = "/home/httpd/phpha.com/index.php "; Echo basename ($ path ); Echo basename ($ path, '. php '); Echo basename ($ path, '. xxx '); Echo dirname ($ path ); ?> // Result: Index. php Index Index. php /Home/httpd/phpha.com Note: If the file name ends with a correct suffix file, this part will be removed. Chgrp-change the group to which the file belongs chown-change the file owner chmod-change the file mode bool chmod (string $ filename, int $ mode) Example 2: Chmod ('/home/phpha.txt', 0755 ); ?> Copy-copy an object If (copy ('index. php', 'index. php. bak ')){ Echo 'copy success '; } ?> // The index. php. bak file is saved in the current directory. Delete-see unlink or unset Unlink-delete file Example 3: If (unlink ('index. php. bak ')){ Echo 'unlink success '; } ?> // Index. php. bak deleted Disk_free_space-return the available space disk_total_space in the directory-return the alias of diskfreespace-disk_free_space of the total disk size in a directory Example 4: // In Windows: Echo disk_free_space ("C :"),' '; Echo disk_total_space ("C :"); ?> // Result: the returned number of bytes is 1743341977632218386432 fopen-open the file or URLfgets-read a row of feof from the file pointer-test whether the file pointer has reached the end of the file fread-read the file (which can be safely used for binary files) fwrite-write a file (which can be safely used for binary files) fclose-close an opened file pointer Example 5: $ Fp = fopen('hello.txt ', 'r'); // open a file $ N = 1; While (! Feof ($ fp )){ Echo $ n, '-', fgets ($ fp ),' '; // Read and output a row $ N ++; } Fclose ($ fp); // close the file ?> // Output: 1-Welcome to my blog: 2-http://bbs.it-home.orgfgetc-read character fgetcsv from file pointer-read a line from file pointer and parse CSV field fgetss-read a line from file pointer and filter out HTML tag fputcsv-format row is CSV and writes the file pointer fputs-fwrite alias $ Fp = fopen('hello.txt ', 'r '); While (false! ==( $ Char = fgetc ($ fp ))){ Echo $ char ,'-'; } ?> // Output: W-e-l-c-o-m-e--t-o--m-y-B-l-o-g -: ---h-t-p-:-/-B-l-o-g -. -p-h--. -c-o-m- 12. Next page