WordPress/wp-admin/includes/import.php

96 lines
2.4 KiB
PHP

<?php
/**
* WordPress Administration Importer API.
*
* @package WordPress
* @subpackage Administration
*/
/**
* Retrieve list of importers.
*
* @since 2.0.0
*
* @return array
*/
function get_importers() {
global $wp_importers;
if ( is_array($wp_importers) )
uasort($wp_importers, create_function('$a, $b', 'return strcmp($a[0], $b[0]);'));
return $wp_importers;
}
/**
* Register importer for WordPress.
*
* @since 2.0.0
*
* @param string $id Importer tag. Used to uniquely identify importer.
* @param string $name Importer name and title.
* @param string $description Importer description.
* @param callback $callback Callback to run.
* @return WP_Error Returns WP_Error when $callback is WP_Error.
*/
function register_importer( $id, $name, $description, $callback ) {
global $wp_importers;
if ( is_wp_error( $callback ) )
return $callback;
$wp_importers[$id] = array ( $name, $description, $callback );
}
/**
* Cleanup importer.
*
* Removes attachment based on ID.
*
* @since 2.0.0
*
* @param string $id Importer ID.
*/
function wp_import_cleanup( $id ) {
wp_delete_attachment( $id );
}
/**
* Handle importer uploading and add attachment.
*
* @since 2.0.0
*
* @return array Uploaded file's details on success, error message on failure
*/
function wp_import_handle_upload() {
if ( !isset($_FILES['import']) ) {
$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' => false );
$_FILES['import']['name'] .= '.txt';
$file = wp_handle_upload( $_FILES['import'], $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() + DAY_IN_SECONDS, 'importer_scheduled_cleanup', array( $id ) );
return array( 'file' => $file, 'id' => $id );
}