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Zalbi Theme implements various WordPress action hooks that allow developers to extend and customize theme behavior. This page documents all add_action calls used throughout the theme.

​
Theme Setup Actions

​
after_setup_theme

The after_setup_theme hook is used multiple times to configure different aspects of the theme during initialization.

​
zalbi_setup

​
Hook
string
default:"after_setup_theme"
Fires after the theme is loaded
​
Callback
function
default:"zalbi_setup"
Main theme setup function
​
Priority
integer
default:"10"
Default priority
​
Location
string
functions.php:90
Purpose: Sets up theme defaults and registers support for various WordPress features including:
  • Theme translation support
  • Automatic feed links
  • Title tag support
  • Post thumbnails
  • Navigation menus (Primary and Legal Footer)
  • HTML5 markup
  • Custom background
  • Selective refresh for widgets
  • Custom logo
Source Code:
functions.php
function zalbi_setup() {
    load_theme_textdomain( 'zalbi', get_template_directory() . '/languages' );
    add_theme_support( 'automatic-feed-links' );
    add_theme_support( 'title-tag' );
    add_theme_support( 'post-thumbnails' );
    
    register_nav_menus(
        array(
            'menu-1'     => esc_html__( 'Primary', 'zalbi' ),
            'menu-legal' => esc_html__( 'Menú Legal Footer', 'zalbi' ),
        )
    );
    
    add_theme_support(
        'html5',
        array(
            'search-form',
            'comment-form',
            'comment-list',
            'gallery',
            'caption',
            'style',
            'script',
        )
    );
    
    add_theme_support(
        'custom-background',
        apply_filters(
            'zalbi_custom_background_args',
            array(
                'default-color' => 'ffffff',
                'default-image' => '',
            )
        )
    );
    
    add_theme_support( 'customize-selective-refresh-widgets' );
    
    add_theme_support(
        'custom-logo',
        array(
            'height'      => 250,
            'width'       => 250,
            'flex-width'  => true,
            'flex-height' => true,
        )
    );
}
add_action( 'after_setup_theme', 'zalbi_setup' );
Extension Example: 
// Add custom theme support for wide alignment
function my_zalbi_setup_extension() {
    add_theme_support( 'align-wide' );
}
add_action( 'after_setup_theme', 'my_zalbi_setup_extension', 11 );
Use priority higher than 10 to run after the main setup function if you need to extend or modify its behavior.

​
zalbi_content_width

​
Hook
string
default:"after_setup_theme"
Fires after the theme is loaded
​
Callback
function
default:"zalbi_content_width"
Sets the content width in pixels
​
Priority
integer
default:"0"
Runs early, before default priority
​
Location
string
functions.php:98
Purpose: Sets the global $content_width variable based on the theme’s design and stylesheet. This affects embedded content like videos and images. Source Code:
functions.php
function zalbi_content_width() {
    $GLOBALS['content_width'] = apply_filters( 'zalbi_content_width', 640 );
}
add_action( 'after_setup_theme', 'zalbi_content_width', 0 );
Extension Example: 
// Modify content width
function my_custom_content_width( $width ) {
    return 1200; // Increase content width to 1200px
}
add_filter( 'zalbi_content_width', 'my_custom_content_width' );

​
zalbi_custom_header_setup

​
Hook
string
default:"after_setup_theme"
Fires after the theme is loaded
​
Callback
function
default:"zalbi_custom_header_setup"
Sets up custom header feature
​
Priority
integer
default:"10"
Default priority
​
Location
string
inc/custom-header.php:35
Purpose: Configures WordPress custom header feature with specific dimensions and styling callbacks. Source Code:
inc/custom-header.php
function zalbi_custom_header_setup() {
    add_theme_support(
        'custom-header',
        apply_filters(
            'zalbi_custom_header_args',
            array(
                'default-image'      => '',
                'default-text-color' => '000000',
                'width'              => 1000,
                'height'             => 250,
                'flex-height'        => true,
                'wp-head-callback'   => 'zalbi_header_style',
            )
        )
    );
}
add_action( 'after_setup_theme', 'zalbi_custom_header_setup' );

​
zalbi_jetpack_setup

​
Hook
string
default:"after_setup_theme"
Fires after the theme is loaded
​
Callback
function
default:"zalbi_jetpack_setup"
Configures Jetpack plugin features
​
Priority
integer
default:"10"
Default priority
​
Location
string
inc/jetpack.php:51
This action only fires if Jetpack is installed and active. The file is conditionally loaded in functions.php:233-235.
Purpose: Adds theme support for Jetpack features including Infinite Scroll, Responsive Videos, and Content Options. Source Code:
inc/jetpack.php
function zalbi_jetpack_setup() {
    add_theme_support(
        'infinite-scroll',
        array(
            'container' => 'main',
            'render'    => 'zalbi_infinite_scroll_render',
            'footer'    => 'page',
        )
    );
    
    add_theme_support( 'jetpack-responsive-videos' );
    
    add_theme_support(
        'jetpack-content-options',
        array(
            'post-details' => array(
                'stylesheet' => 'zalbi-style',
                'date'       => '.posted-on',
                'categories' => '.cat-links',
                'tags'       => '.tags-links',
                'author'     => '.byline',
                'comment'    => '.comments-link',
            ),
            'featured-images' => array(
                'archive' => true,
                'post'    => true,
                'page'    => true,
            ),
        )
    );
}
add_action( 'after_setup_theme', 'zalbi_jetpack_setup' );

​
Widget & Sidebar Actions

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widgets_init

​
zalbi_widgets_init

​
Hook
string
default:"widgets_init"
Fires when widget areas are registered
​
Callback
function
default:"zalbi_widgets_init"
Registers theme widget areas
​
Priority
integer
default:"10"
Default priority
​
Location
string
functions.php:116
Purpose: Registers a sidebar widget area for the theme. Source Code:
functions.php
function zalbi_widgets_init() {
    register_sidebar(
        array(
            'name'          => esc_html__( 'Sidebar', 'zalbi' ),
            'id'            => 'sidebar-1',
            'description'   => esc_html__( 'Add widgets here.', 'zalbi' ),
            'before_widget' => '<section id="%1$s" class="widget %2$s">',
            'after_widget'  => '</section>',
            'before_title'  => '<h2 class="widget-title">',
            'after_title'   => '</h2>',
        )
    );
}
add_action( 'widgets_init', 'zalbi_widgets_init' );
Extension Example: 
// Register additional widget area for footer
function my_footer_widgets() {
    register_sidebar(
        array(
            'name'          => 'Footer Widgets',
            'id'            => 'footer-1',
            'description'   => 'Footer widget area',
            'before_widget' => '<div class="footer-widget">',
            'after_widget'  => '</div>',
            'before_title'  => '<h3>',
            'after_title'   => '</h3>',
        )
    );
}
add_action( 'widgets_init', 'my_footer_widgets' );

​
Scripts & Styles Actions

​
wp_enqueue_scripts

​
zalbi_scripts

​
Hook
string
default:"wp_enqueue_scripts"
Fires when scripts and styles should be enqueued
​
Callback
function
default:"zalbi_scripts"
Enqueues theme scripts and styles
​
Priority
integer
default:"10"
Default priority
​
Location
string
functions.php:135
Purpose: Loads theme stylesheet, navigation JavaScript, Font Awesome icons, Google Fonts, and comment reply script when needed. Source Code:
functions.php
function zalbi_scripts() {
    wp_enqueue_style( 'zalbi-style', get_stylesheet_uri(), array(), _S_VERSION );
    wp_style_add_data( 'zalbi-style', 'rtl', 'replace' );
    
    wp_enqueue_script( 'zalbi-navigation', get_template_directory_uri() . '/js/navigation.js', array(), _S_VERSION, true );
    
    // Fonts and Icons
    wp_enqueue_style( 'zalbi-fontawesome', 'https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css' );
    wp_enqueue_style( 'zalbi-google-fonts', 'https://fonts.googleapis.com/css2?family=Nunito:wght@400;700;900&family=Open+Sans:wght@400;600&display=swap' );
    
    if ( is_singular() && comments_open() && get_option( 'thread_comments' ) ) {
        wp_enqueue_script( 'comment-reply' );
    }
}
add_action( 'wp_enqueue_scripts', 'zalbi_scripts' );
Extension Example: 
// Add custom JavaScript file
function my_custom_scripts() {
    wp_enqueue_script( 'custom-animations', get_stylesheet_directory_uri() . '/js/animations.js', array('jquery'), '1.0', true );
}
add_action( 'wp_enqueue_scripts', 'my_custom_scripts' );

​
Custom Post Types & Taxonomies

​
init

​
zalbi_register_hinchables

​
Hook
string
default:"init"
Fires after WordPress is fully loaded
​
Callback
function
default:"zalbi_register_hinchables"
Registers ‘Hinchable’ custom post type
​
Priority
integer
default:"10"
Default priority
​
Location
string
functions.php:150
Purpose: Registers the “Hinchable” (Inflatable) custom post type for managing inflatable rental items. This is the core content type for the rental catalog. Source Code:
functions.php
function zalbi_register_hinchables() {
    $args = array(
        'labels' => array( 
            'name' => 'Hinchables', 
            'singular_name' => 'Hinchable' 
        ),
        'public' => true,
        'has_archive' => false,
        'menu_icon' => 'dashicons-smiley',
        'supports' => array( 'title', 'editor', 'thumbnail', 'excerpt' ),
        'rewrite' => array( 'slug' => 'catalogo' ),
    );
    register_post_type( 'hinchable', $args );
}
add_action( 'init', 'zalbi_register_hinchables' );
Extension Example: 
// Add custom fields support to Hinchables
function extend_hinchables_support() {
    add_post_type_support( 'hinchable', 'custom-fields' );
}
add_action( 'init', 'extend_hinchables_support', 11 );

​
zalbi_register_taxonomies

​
Hook
string
default:"init"
Fires after WordPress is fully loaded
​
Callback
function
default:"zalbi_register_taxonomies"
Registers ‘tipo_hinchable’ taxonomy
​
Priority
integer
default:"10"
Default priority
​
Location
string
functions.php:168
Purpose: Registers the “Tipo de Hinchable” (Inflatable Type) taxonomy for categorizing inflatables. This allows filtering and organizing rental items by type. Source Code:
functions.php
function zalbi_register_taxonomies() {
    register_taxonomy( 'tipo_hinchable', 'hinchable', array(
        'labels' => array( 
            'name'          => 'Tipos de Hinchable',
            'singular_name' => 'Tipo de Hinchable',
            'menu_name'     => 'Tipos de Hinchable',
        ),
        'public'            => true,
        'hierarchical'      => true,
        'show_ui'           => true,
        'show_admin_column' => true,
        'show_in_rest'      => true,
        'rewrite'           => array( 'slug' => 'tipo' ),
    ) );
}
add_action( 'init', 'zalbi_register_taxonomies' );
Extension Example: 
// Add additional taxonomy for size classification
function add_size_taxonomy() {
    register_taxonomy( 'tamano_hinchable', 'hinchable', array(
        'labels' => array( 
            'name' => 'Tamaños',
            'singular_name' => 'Tamaño',
        ),
        'hierarchical' => true,
        'show_in_rest' => true,
        'rewrite' => array( 'slug' => 'tamano' ),
    ) );
}
add_action( 'init', 'add_size_taxonomy' );

​
zalbi_register_eventos

​
Hook
string
default:"init"
Fires after WordPress is fully loaded
​
Callback
function
default:"zalbi_register_eventos"
Registers ‘Evento’ custom post type
​
Priority
integer
default:"10"
Default priority
​
Location
string
functions.php:183
Purpose: Registers the “Evento” (Event) custom post type for managing event content and showcasing event services. Source Code:
functions.php
function zalbi_register_eventos() {
    $args = array(
        'labels' => array( 
            'name' => 'Eventos', 
            'singular_name' => 'Evento' 
        ),
        'public' => true,
        'has_archive' => false,
        'menu_icon' => 'dashicons-calendar-alt',
        'supports' => array( 'title', 'editor', 'thumbnail', 'excerpt' ),
        'rewrite' => array( 'slug' => 'eventos' ),
    );
    register_post_type( 'evento', $args );
}
add_action( 'init', 'zalbi_register_eventos' );

​
Theme Customizer Actions

​
customize_register

​
zalbi_customize_whatsapp

​
Hook
string
default:"customize_register"
Fires when the Customizer registers controls
​
Callback
function
default:"zalbi_customize_whatsapp"
Adds WhatsApp button customizer settings
​
Priority
integer
default:"10"
Default priority
​
Location
string
functions.php:208
Purpose: Adds a customizer section and control for configuring the floating WhatsApp button phone number. Source Code:
functions.php
function zalbi_customize_whatsapp($wp_customize) {
    $wp_customize->add_section('zalbi_whatsapp_section', array(
        'title'       => __('Botón WhatsApp', 'zalbi'),
        'description' => __('Configura aquí el número del botón flotante.', 'zalbi'),
        'priority'    => 120,
    ));
    
    $wp_customize->add_setting('zalbi_whatsapp_number', array(
        'default'           => '',
        'transport'         => 'refresh',
        'sanitize_callback' => 'sanitize_text_field',
    ));
    
    $wp_customize->add_control('zalbi_whatsapp_number', array(
        'label'       => __('Número de teléfono', 'zalbi'),
        'section'     => 'zalbi_whatsapp_section',
        'type'        => 'text',
        'description' => 'Escribe el número con prefijo (ej: 34658887358). Si lo dejas vacío, el botón desaparece.',
    ));
}
add_action('customize_register', 'zalbi_customize_whatsapp');
Extension Example: 
// Add WhatsApp message customization
function extend_whatsapp_customizer($wp_customize) {
    $wp_customize->add_setting('zalbi_whatsapp_message', array(
        'default' => 'Hola, me interesa obtener información',
        'sanitize_callback' => 'sanitize_text_field',
    ));
    
    $wp_customize->add_control('zalbi_whatsapp_message', array(
        'label' => 'Mensaje predeterminado',
        'section' => 'zalbi_whatsapp_section',
        'type' => 'textarea',
    ));
}
add_action('customize_register', 'extend_whatsapp_customizer');

​
zalbi_customize_register

​
Hook
string
default:"customize_register"
Fires when the Customizer registers controls
​
Callback
function
default:"zalbi_customize_register"
Configures customizer preview settings
​
Priority
integer
default:"10"
Default priority
​
Location
string
inc/customizer.php:35
Purpose: Enables postMessage transport for live preview of site title, description, and header text color. Also sets up selective refresh partials. Source Code:
inc/customizer.php
function zalbi_customize_register( $wp_customize ) {
    $wp_customize->get_setting( 'blogname' )->transport         = 'postMessage';
    $wp_customize->get_setting( 'blogdescription' )->transport  = 'postMessage';
    $wp_customize->get_setting( 'header_textcolor' )->transport = 'postMessage';
    
    if ( isset( $wp_customize->selective_refresh ) ) {
        $wp_customize->selective_refresh->add_partial(
            'blogname',
            array(
                'selector'        => '.site-title a',
                'render_callback' => 'zalbi_customize_partial_blogname',
            )
        );
        $wp_customize->selective_refresh->add_partial(
            'blogdescription',
            array(
                'selector'        => '.site-description',
                'render_callback' => 'zalbi_customize_partial_blogdescription',
            )
        );
    }
}
add_action( 'customize_register', 'zalbi_customize_register' );

​
customize_preview_init

​
zalbi_customize_preview_js

​
Hook
string
default:"customize_preview_init"
Fires in the Customizer preview iframe
​
Callback
function
default:"zalbi_customize_preview_js"
Enqueues customizer preview JavaScript
​
Priority
integer
default:"10"
Default priority
​
Location
string
inc/customizer.php:61
Purpose: Loads JavaScript for live preview updates in the Theme Customizer. Source Code:
inc/customizer.php
function zalbi_customize_preview_js() {
    wp_enqueue_script( 'zalbi-customizer', get_template_directory_uri() . '/js/customizer.js', array( 'customize-preview' ), _S_VERSION, true );
}
add_action( 'customize_preview_init', 'zalbi_customize_preview_js' );

​
Header Actions

​
zalbi_pingback_header

​
Hook
string
default:"wp_head"
Fires in the head section of the HTML document
​
Callback
function
default:"zalbi_pingback_header"
Adds pingback URL for discovery
​
Priority
integer
default:"10"
Default priority
​
Location
string
inc/template-functions.php:37
Purpose: Adds a pingback URL auto-discovery header for single posts, pages, or attachments when pings are enabled. Source Code:
inc/template-functions.php
function zalbi_pingback_header() {
    if ( is_singular() && pings_open() ) {
        printf( '<link rel="pingback" href="%s">', esc_url( get_bloginfo( 'pingback_url' ) ) );
    }
}
add_action( 'wp_head', 'zalbi_pingback_header' );

​
Body Actions

​
wp_body_open

​
Hook
string
default:"wp_body_open"
Fires immediately after the opening body tag
​
Location
string
inc/template-tags.php:163
Purpose: Provides a hook point for plugins and child themes to inject content immediately after the <body> tag opens. This is a backward compatibility shim for WordPress versions older than 5.2. Source Code:
inc/template-tags.php
if ( ! function_exists( 'wp_body_open' ) ) :
    function wp_body_open() {
        do_action( 'wp_body_open' );
    }
endif;
WordPress 5.2+ includes this function natively. The theme provides a fallback for older versions.
Extension Example: 
// Add Google Tag Manager after body tag
function add_gtm_body() {
    echo '<!-- Google Tag Manager (noscript) -->';
    echo '<noscript><iframe src="https://www.googletagmanager.com/ns.html?id=GTM-XXXXXX" height="0" width="0" style="display:none;visibility:hidden"></iframe></noscript>';
}
add_action( 'wp_body_open', 'add_gtm_body' );

​
Action Reference Table

HookCallbackPriorityFilePurpose
after_setup_themezalbi_setup10functions.php:90Main theme setup
after_setup_themezalbi_content_width0functions.php:98Set content width
after_setup_themezalbi_custom_header_setup10custom-header.php:35Custom header config
after_setup_themezalbi_jetpack_setup10jetpack.php:51Jetpack integration
widgets_initzalbi_widgets_init10functions.php:116Register sidebars
wp_enqueue_scriptszalbi_scripts10functions.php:135Enqueue assets
initzalbi_register_hinchables10functions.php:150Register CPT
initzalbi_register_taxonomies10functions.php:168Register taxonomy
initzalbi_register_eventos10functions.php:183Register CPT
customize_registerzalbi_customize_whatsapp10functions.php:208WhatsApp settings
customize_registerzalbi_customize_register10customizer.php:35Customizer config
customize_preview_initzalbi_customize_preview_js10customizer.php:61Preview JS
wp_headzalbi_pingback_header10template-functions.php:37Pingback header
wp_body_openN/AN/Atemplate-tags.php:163Action hook point

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