Source
File: wp-admin/includes/import.php
function wp_import_handle_upload() {
if ( ! isset( $_FILES['import'] ) ) {
return array(
'error' => sprintf(
/* translators: 1: php.ini, 2: post_max_size, 3: upload_max_filesize */
__( 'File is empty. Please upload something more substantial. This error could also be caused by uploads being disabled in your %1$s file or by %2$s being defined as smaller than %3$s in %1$s.' ),
'php.ini',
'post_max_size',
'upload_max_filesize'
),
);
}
$overrides = array(
'test_form' => false,
'test_type' => false,
);
$_FILES['import']['name'] .= '.txt';
$upload = wp_handle_upload( $_FILES['import'], $overrides );
if ( isset( $upload['error'] ) ) {
return $upload;
}
// Construct the object array.
$object = array(
'post_title' => wp_basename( $upload['file'] ),
'post_content' => $upload['url'],
'post_mime_type' => $upload['type'],
'guid' => $upload['url'],
'context' => 'import',
'post_status' => 'private',
);
// Save the data.
$id = wp_insert_attachment( $object, $upload['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' => $upload['file'],
'id' => $id,
);
}