php_ref_filesystem.asp

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    <td valign="top">3</td>
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    <td valign="top"><a href="func_filesystem_clearstatcache.asp">clearstatcache()</a></td>
    <td valign="top">Clears the file status cache</td>
    <td valign="top">3</td>
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    <td valign="top"><a href="func_filesystem_copy.asp">copy()</a></td>
    <td valign="top">Copies a file</td>
    <td valign="top">3</td>
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    <td valign="top">delete()</td>
    <td valign="top">See unlink() or unset()</td>
    <td valign="top">&nbsp;</td>
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    <td valign="top"><a href="func_filesystem_dirname.asp">dirname()</a></td>
    <td valign="top">Returns the directory name component of a path</td>
    <td valign="top">3</td>
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    <td valign="top"><a href="func_filesystem_disk_free_space.asp">disk_free_space()</a></td>
    <td valign="top">Returns the free space of a directory</td>
    <td valign="top">4</td>
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    <td valign="top"><a href="func_filesystem_disk_total_space.asp">disk_total_space()</a></td>
    <td valign="top">Returns the total size of a directory</td>
    <td valign="top">4</td>
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    <td valign="top"><a href="func_filesystem_diskfreespace.asp">diskfreespace()</a></td>
    <td valign="top">Alias of disk_free_space()</td>
    <td valign="top">3</td>
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    <td valign="top"><a href="func_filesystem_fclose.asp">fclose()</a></td>
    <td valign="top">Closes an open file</td>
    <td valign="top">3</td>
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    <td valign="top"><a href="func_filesystem_feof.asp">feof()</a></td>
    <td valign="top">Tests for end-of-file on an open file</td>
    <td valign="top">3</td>
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    <td valign="top"><a href="func_filesystem_fflush.asp">fflush()</a></td>
    <td valign="top">Flushes buffered output to an open file</td>
    <td valign="top">4</td>
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    <td valign="top"><a href="func_filesystem_fgetc.asp">fgetc()</a></td>
    <td valign="top">Returns a character from an open file</td>
    <td valign="top">3</td>
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    <td valign="top"><a href="func_filesystem_fgetcsv.asp">fgetcsv()</a></td>
    <td valign="top">Parses a line from an open file, checking for
<span lang="en-us">CSV fields</span></td>
    <td valign="top">3</td>
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    <td valign="top"><a href="func_filesystem_fgets.asp">fgets()</a></td>
    <td valign="top">Returns a line from an open file</td>
    <td valign="top">3</td>
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    <td valign="top"><a href="func_filesystem_fgetss.asp">fgetss()</a></td>
    <td valign="top">Returns a line, with HTML and PHP tags removed, from an 
	open file</td>
    <td valign="top">3</td>
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    <td valign="top"><a href="func_filesystem_file.asp">file()</a></td>
    <td valign="top">Reads a file into an array</td>
    <td valign="top">3</td>
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    <td valign="top"><a href="func_filesystem_file_exists.asp">file_exists()</a></td>
    <td valign="top">Checks whether or not a file or directory exists</td>
    <td valign="top">3</td>
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    <td valign="top"><a href="func_filesystem_file_get_contents.asp">file_get_contents()</a></td>
    <td valign="top">Reads a file into a string</td>
    <td valign="top">4</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_file_put_contents.asp">file_put_contents</a></td>
    <td valign="top">Writes a string to a file</td>
    <td valign="top">5</td>
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    <td valign="top"><a href="func_filesystem_fileatime.asp">fileatime()</a></td>
    <td valign="top">Returns the last access time of a file</td>
    <td valign="top">3</td>
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    <td valign="top"><a href="func_filesystem_filectime.asp">filectime()</a></td>
    <td valign="top">Returns the last change time of a file</td>
    <td valign="top">3</td>
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    <td valign="top"><a href="func_filesystem_filegroup.asp">filegroup()</a></td>
    <td valign="top">Returns the group ID of a file</td>
    <td valign="top">3</td>
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    <td valign="top"><a href="func_filesystem_fileinode.asp">fileinode()</a></td>
    <td valign="top">Returns the inode number of a file</td>
    <td valign="top">3</td>
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    <td valign="top"><a href="func_filesystem_filemtime.asp">filemtime()</a></td>
    <td valign="top">Returns the last modification time of a file</td>
    <td valign="top">3</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_fileowner.asp">fileowner()</a></td>
    <td valign="top">Returns the user ID (owner) of a file</td>
    <td valign="top">3</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_fileperms.asp">fileperms()</a></td>
    <td valign="top">Returns the permissions of a file</td>
    <td valign="top">3</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_filesize.asp">filesize()</a></td>
    <td valign="top">Returns the file size</td>
    <td valign="top">3</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_filetype.asp">filetype()</a></td>
    <td valign="top">Returns the file type</td>
    <td valign="top">3</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_flock.asp">flock()</a></td>
    <td valign="top">Locks or releases a file</td>
    <td valign="top">3</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_fnmatch.asp">fnmatch()</a></td>
    <td valign="top">Matches a filename or string against a specified pattern</td>
    <td valign="top">4</td>
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    <td valign="top"><a href="func_filesystem_fopen.asp">fopen()</a></td>
    <td valign="top">Opens a file or URL</td>
    <td valign="top">3</td>
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    <td valign="top"><a href="func_filesystem_fpassthru.asp">fpassthru()</a></td>
    <td valign="top">Reads from an 
open file, until EOF, and writes the result to the output buffer</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_filesystem_fputcsv.asp">fputcsv()</a></td>
    <td valign="top">Formats a line as CSV and writes it to an open file</td>
    <td valign="top">5</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_filesystem_fputs.asp">fputs()</a></td>
    <td valign="top">Alias of fwrite()</td>
    <td valign="top">3</td>
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    <td valign="top"><a href="func_filesystem_fread.asp">fread()</a></td>
    <td valign="top">Reads from an open file</td>
    <td valign="top">3</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_fscanf.asp">fscanf()</a></td>
    <td valign="top">Parses input from an open file according to a specified format</td>
    <td valign="top">4</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_fseek.asp">fseek()</a></td>
    <td valign="top">Seeks in an open file</td>
    <td valign="top">3</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_fstat.asp">fstat()</a></td>
    <td valign="top">Returns information about an open file</td>
    <td valign="top">4</td>
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    <td valign="top"><a href="func_filesystem_ftell.asp">ftell()</a></td>
    <td valign="top">Returns the current position in an open file</td>
    <td valign="top">3</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_ftruncate.asp">ftruncate()</a></td>
    <td valign="top">Truncates an open file to a specified length</td>
    <td valign="top">4</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_fwrite.asp">fwrite()</a></td>
    <td valign="top">Writes to an open file</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_filesystem_glob.asp">glob()</a></td>
    <td valign="top">Returns an array of filenames / directories matching a 
	specified pattern</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_filesystem_is_dir.asp">is_dir()</a></td>
    <td valign="top">Checks whether a file is a directory</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_filesystem_is_executable.asp">is_executable()</a></td>
    <td valign="top">Checks whether a file is executable</td>
    <td valign="top">3</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_is_file.asp">is_file()</a></td>
    <td valign="top">Checks whether a file is a regular file</td>
    <td valign="top">3</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_filesystem_is_link.asp">is_link()</a></td>
    <td valign="top">Checks whether a file is a link</td>
    <td valign="top">3</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_is_readable.asp">is_readable()</a></td>
    <td valign="top">Checks whether a file is readable</td>
    <td valign="top">3</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_is_uploaded_file.asp">is_uploaded_file()</a></td>
    <td valign="top">Checks whether a file was uploaded via HTTP POST</td>
    <td valign="top">3</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_is_writable.asp">is_writable()</a></td>
    <td valign="top">Checks whether a file is writeable</td>
    <td valign="top">4</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_is_writeable.asp">is_writeable()</a></td>
    <td valign="top">Alias of is_writable()</td>
    <td valign="top">3</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_link.asp">link()</a></td>
    <td valign="top">Creates a hard link</td>
    <td valign="top">3</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_linkinfo.asp">linkinfo()</a></td>
    <td valign="top">Returns information about a hard link</td>
    <td valign="top">3</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_lstat.asp">lstat()</a></td>
    <td valign="top">Returns information about a file or symbolic link</td>
    <td valign="top">3</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_mkdir.asp">mkdir()</a></td>
    <td valign="top">Creates a directory</td>
    <td valign="top">3</td>
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  <tr>
    <td valign="top"><a href="func_filesystem_move_uploaded_file.asp">move_uploaded_file()</a></td>
    <td valign="top">Moves an uploaded file to a new location</td>
    <td valign="top">4</td>
  </tr>
  <tr>
    <td valign="top"><a href="func_filesystem_parse_ini_file.asp">parse_ini_file()</a></td>
    <td valign="top">Parses a configuration file</td>