WP_REST_Attachments_Controller::prepare_item_for_database( WP_REST_Request $request ): stdClass|WP_Error

Source

protected function prepare_item_for_database( $request ) {
	$prepared_attachment = parent::prepare_item_for_database( $request );

	// Attachment caption (post_excerpt internally).
	if ( isset( $request['caption'] ) ) {
		if ( is_string( $request['caption'] ) ) {
			$prepared_attachment->post_excerpt = $request['caption'];
		} elseif ( isset( $request['caption']['raw'] ) ) {
			$prepared_attachment->post_excerpt = $request['caption']['raw'];
		}
	}

	// Attachment description (post_content internally).
	if ( isset( $request['description'] ) ) {
		if ( is_string( $request['description'] ) ) {
			$prepared_attachment->post_content = $request['description'];
		} elseif ( isset( $request['description']['raw'] ) ) {
			$prepared_attachment->post_content = $request['description']['raw'];
		}
	}

	if ( isset( $request['post'] ) ) {
		$prepared_attachment->post_parent = (int) $request['post'];
	}

	return $prepared_attachment;
}

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