Metabox - WordPress Admin Builder

A Metabox item add post_meta to a chosen post type, and can be shown in each post type, as Pages for example, as shown in the following screenshot.

The code below is used to generate this section:

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public function create_items() {

// Metabox
    $meta_box = Admin_Builder::instance()->create_meta_box( array(
            'name' => __( 'My Metabox', 'text_domain' ),
            'id' => 'meta_box_1',
            'post_type' => 'page',
            'page_template' => '', 
            'context' => 'normal', 
            'hide_custom_fields' => true, 
            'priority' => 'high', 
            'desc' => __( 'Description of my Metabox', 'text_domain' ), 
        )
    );
    if ( is_null( $meta_box ) ) {

return;
    }

$meta_box->create_post_meta(
        array(
            'type' => Item_type::TEXT,
            'id' => 'text_post_meta_1',
            'name' => 'Text Lorem ipsum',
            'desc' => 'Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam pretium, nulla a porttitor varius, leo ligula facilisis diam, vitae dignissim justo est id ex. Suspendisse suscipit pulvinar tristique.',
            'default' => 'Default value',
            'css' => '',
            'example' => '',
        )
    );

A Metabox inherit from an Item, then all settings described in Item Settings are also used.

Specific settings for Metabox:

Field Settings	Description
post_type string \| array / Default: ‘page’	Post type, WordPress predefined as ‘page’ or ‘post’, or custom. It can be an array of post types
page_template string / Default: ”	If page template is selected, just will be show on that page
context string / Default: ‘normal’	‘normal’, ‘advanced’, or ‘side’
hide_custom_fields boolean / Default: true	If true, the custom fields box will not be shown
priority string / Default: ‘high’	‘high’, ‘core’, ‘default’, ‘low’