NandoKstroNet · April 9, 2014 16:47 · Aug 24, 2012
diff --git a/wordpress-upload.php b/wordpress-upload.php
@@ -0,0 +1,41 @@
+<?php 
+/**
+ * Handle file uploading and add attachment.
+ *
+ * @return array Uploaded file's details on success, error message on failure
+ */
+function wp_import_handle_upload() {
+	if ( !isset($_FILES['filefield_name']) ) {
+		$file['error'] = __( 'File is empty. Please upload something more substantial. This error could also be caused by uploads being disabled in your php.ini or by post_max_size being defined as smaller than upload_max_filesize in php.ini.' );
+		return $file;
+	}
+
+	$overrides = array( 'test_form' => false, 'test_type' => true );
+	$file = wp_handle_upload( $_FILES['filefield_name'], $overrides );
+
+	if ( isset( $file['error'] ) )
+		return $file;
+
+	$url = $file['url'];
+	$type = $file['type'];
+	$file = $file['file'];
+	$filename = basename( $file );
+
+	// Construct the object array
+	$object = array(
+		'post_title' => $filename,
+		'post_content' => $url,
+		'post_mime_type' => $type,
+		'guid' => $url,
+		'context' => 'import',
+		'post_status' => 'private'
+	);
+
+	// Save the data
+	$id = wp_insert_attachment( $object, $file );
+
+	// schedule a cleanup for one day from now in case of failed import or missing wp_import_cleanup() call
+	wp_schedule_single_event( time() + 86400, 'importer_scheduled_cleanup', array( $id ) );
+
+	return array( 'file' => $file, 'id' => $id );
+}