staylor / WordPress

	}

	// You may have had one or more 'wp_handle_upload_prefilter' functions error out the file. Handle that gracefully.

	if ( isset( $file['error'] ) && ! is_numeric( $file['error'] ) && $file['error'] ) {

		return call_user_func_array( $upload_error_handler, array( &$file, $file['error'] ) );

	}

	// Install user overrides. Did we mention that this voids your warranty?

	$mimes = isset( $overrides['mimes'] ) ? $overrides['mimes'] : false;

	// A correct form post will pass this test.

	if ( $test_form && ( ! isset( $_POST['action'] ) || ( $_POST['action'] != $action ) ) ) {

		return call_user_func_array( $upload_error_handler, array( &$file, __( 'Invalid form submission.' ) ) );

	}

	// A successful upload will pass this test. It makes no sense to override this one.

	if ( isset( $file['error'] ) && $file['error'] > 0 ) {

		return call_user_func_array( $upload_error_handler, array( &$file, $upload_error_strings[ $file['error'] ] ) );

		return call_user_func_array( $upload_error_handler, array( &$file, __( 'Invalid form submission.' ) ) );

	}

	// A successful upload will pass this test. It makes no sense to override this one.

	if ( isset( $file['error'] ) && $file['error'] > 0 ) {

		return call_user_func_array( $upload_error_handler, array( &$file, $upload_error_strings[ $file['error'] ] ) );

	}

	$test_file_size = 'wp_handle_upload' === $action ? $file['size'] : filesize( $file['tmp_name'] );

	// A non-empty file will pass this test.