acf_admin_field_group::save_post │ public │ ACF 1.0

This function will save all the field group data

@since 1.0.0

@param int $post_id The post ID. @param WP_Post $post The post object.

@return $post_id (int)

Method of the class: acf_admin_field_group{}

No Hooks.

Returns

null. Nothing (null).

Usage

$acf_admin_field_group = new acf_admin_field_group();
$acf_admin_field_group->save_post( $post_id, $post );
$post_id(required)
.
$post(required)
.

acf_admin_field_group::save_post() code ACF 6.0.4

acf/includes/admin/admin-field-group.php 
public function save_post( $post_id, $post ) {

	// do not save if this is an auto save routine.
	if ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) {
		return $post_id;
	}

	// bail early if not acf-field-group.
	if ( $post->post_type !== 'acf-field-group' ) {
		return $post_id;
	}

	// only save once! WordPress save's a revision as well.
	if ( wp_is_post_revision( $post_id ) ) {
		return $post_id;
	}

	// verify nonce.
	if ( ! acf_verify_nonce( 'field_group' ) ) {
		return $post_id;
	}

	// Bail early if request came from an unauthorised user.
	if ( ! current_user_can( acf_get_setting( 'capability' ) ) ) {
		return $post_id;
	}

	// disable filters to ensure ACF loads raw data from DB.
	acf_disable_filters();

	// save fields.
	if ( ! empty( $_POST['acf_fields'] ) ) {

		// loop.
		foreach ( $_POST['acf_fields'] as $field ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Sanitized when saved.

			if ( ! isset( $field['key'] ) ) {
				continue;
			}

			// vars.
			$specific = false;
			$save     = acf_extract_var( $field, 'save' );

			// only saved field if has changed.
			if ( $save == 'meta' ) {
				$specific = array(
					'menu_order',
					'post_parent',
				);
			}

			// set parent.
			if ( ! $field['parent'] ) {
				$field['parent'] = $post_id;
			}

			// save field.
			acf_update_field( $field, $specific );
		}
	}

	// delete fields.
	if ( $_POST['_acf_delete_fields'] ) { // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Sanitized below.

		// clean.
		$ids = explode( '|', $_POST['_acf_delete_fields'] ); // phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Sanitized below.
		$ids = array_map( 'intval', $ids );

		// loop.
		foreach ( $ids as $id ) {

			// bai early if no id.
			if ( ! $id ) {
				continue;
			}

			// delete.
			acf_delete_field( $id );

		}
	}

	// add args.
	$_POST['acf_field_group']['ID'] = $post_id;
	// phpcs:disable WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Sanitized when saved.
	$_POST['acf_field_group']['title'] = $_POST['post_title'];

	// save field group.
	acf_update_field_group( $_POST['acf_field_group'] );
	// phpcs:enable WordPress.Security.ValidatedSanitizedInput.InputNotSanitized

	return $post_id;
}