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} fclose($fp); } include_once(”main.php”); ?> Uploading Files The uploadfile.phpcopies the uploaded file in the current folder: Sample mimeTypesfile: Page 270

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if (!isSessionAuthenticated()) { sendErrorpage(”User session has expired. Please login again”); exit; } if (is_dir(getAbsolutePath($currentFolder . “/” . $foldName))) { If $foldName is a folder then delete the folder: if (deleteFolder($currentFolder, $foldName) < 0) { sendErrorPage("Internal Error: Could not delete folder " . $foldName); exit; } } else { If $foldName is a file then delete the file: if (deleteFile($currentFolder, $foldName) < 0) { sendErrorPage("Internal Error: Could not delete file " . $foldName); exit; } Remove the entry of the file from mimeTypes: // Remove the entry of the file from the mimeTypes $mimeTypeFile = getAbsolutePath($currentFolder . "/" . "mimeTypes"); if (($fileContent = file($mimeTypeFile)) == null) { sendErrorPage("Internal Error: Could not read file " . $mimeTypeFile); exit; } if (($fp = fopen($mimeTypeFile, "w")) <= 0) { sendErrorPage("Internal Error: Could not open file " . $mimeTypeFile); exit; } for($i=0; $i < sizeof($fileContent); $i++ ) { $line = trim($fileContent[$i]); list ($fileName, $mimeType) = split(":", $line); if ($fileName != $foldName) { fwrite($fp, $fileContent[$i]); } Page 269

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Creating Folders The following file createfolder.phpcreates a new folder in the current folder: Removing a Folder/File The following file removefolder.phpdeletes a folder/file from the current folder:

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Generate HTML element for all the elements, except for “.”, “..”, and mimeTypes, of the current folder: while (($file = readdir($dir))) { if (($file != “.”) && ($file != “..”) && ($file != “mimeTypes”)) { printf(”“, $file); if (is_dir(getAbsolutePath($currentFolder . “/” . $file))) { printf(”%s“, $file); } else { printf(”%s”, $file); } printf(”n”); } } ?>

The following is an HTML form for uploading a file to the current folder. The action of the form is the uploadfile.phpfile and the enctype attribute of the form element is set to multipart/form-data:

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closedir($dir) ?>

The following HTML form is for creating a new folder. The action of the form is the createfolder.phpscript:

Below is the HTML form for deleting an element of the current folder. The action of the form is removefolder.php: