PHP-Frage zur functions.php bei Child Theme von "Attitude"

<?php
/**
 * Attitude defining constants, adding files and WordPress core functionality.
 *
 * Defining some constants, loading all the required files and Adding some core functionality.
 * @uses add_theme_support() To add support for post thumbnails and automatic feed links.
 * @uses register_nav_menu() To add support for navigation menu.
 * @uses set_post_thumbnail_size() To set a custom post thumbnail size.
 *
 * @package Theme Horse
 * @subpackage Attitude
 * @since Attitude 1.0
 */


/**
 * Set the content width based on the theme's design and stylesheet.
 */
if ( ! isset( $content_width ) )
    $content_width = 700;


add_action( 'attitude_init', 'attitude_constants', 10 );
/**
 * This function defines the Attitude theme constants
 *
 * @since 1.0
 */
function attitude_constants() {


    /** Define Directory Location Constants */
    define( 'ATTITUDE_PARENT_DIR', get_template_directory() );
    define( 'ATTITUDE_CHILD_DIR', get_stylesheet_directory() );
    define( 'ATTITUDE_IMAGES_DIR', ATTITUDE_PARENT_DIR . '/images' );
    define( 'ATTITUDE_LIBRARY_DIR', ATTITUDE_PARENT_DIR. '/library' );
    define( 'ATTITUDE_ADMIN_DIR', ATTITUDE_LIBRARY_DIR . '/admin' );
    define( 'ATTITUDE_ADMIN_IMAGES_DIR', ATTITUDE_ADMIN_DIR . '/images' );
    define( 'ATTITUDE_ADMIN_JS_DIR', ATTITUDE_ADMIN_DIR . '/js' );
    define( 'ATTITUDE_ADMIN_CSS_DIR', ATTITUDE_ADMIN_DIR . '/css' );
    define( 'ATTITUDE_JS_DIR', ATTITUDE_LIBRARY_DIR . '/js' );
    define( 'ATTITUDE_CSS_DIR', ATTITUDE_LIBRARY_DIR . '/css' );    
    define( 'ATTITUDE_FUNCTIONS_DIR', ATTITUDE_LIBRARY_DIR . '/functions' );
    define( 'ATTITUDE_SHORTCODES_DIR', ATTITUDE_LIBRARY_DIR . '/shortcodes' );
    define( 'ATTITUDE_STRUCTURE_DIR', ATTITUDE_LIBRARY_DIR . '/structure' );
    if ( ! defined( 'ATTITUDE_LANGUAGES_DIR' ) ) /** So we can define with a child theme */
        define( 'ATTITUDE_LANGUAGES_DIR', ATTITUDE_LIBRARY_DIR . '/languages' );
    define( 'ATTITUDE_WIDGETS_DIR', ATTITUDE_LIBRARY_DIR . '/widgets' );


    /** Define URL Location Constants */
    define( 'ATTITUDE_PARENT_URL', get_template_directory_uri() );
    define( 'ATTITUDE_CHILD_URL', get_stylesheet_directory_uri() );
    define( 'ATTITUDE_IMAGES_URL', ATTITUDE_PARENT_URL . '/images' );
    define( 'ATTITUDE_LIBRARY_URL', ATTITUDE_PARENT_URL . '/library' );
    define( 'ATTITUDE_ADMIN_URL', ATTITUDE_LIBRARY_URL . '/admin' );
    define( 'ATTITUDE_ADMIN_IMAGES_URL', ATTITUDE_ADMIN_URL . '/images' );
    define( 'ATTITUDE_ADMIN_JS_URL', ATTITUDE_ADMIN_URL . '/js' );
    define( 'ATTITUDE_ADMIN_CSS_URL', ATTITUDE_ADMIN_URL . '/css' );
    define( 'ATTITUDE_JS_URL', ATTITUDE_LIBRARY_URL . '/js' );
    define( 'ATTITUDE_CSS_URL', ATTITUDE_LIBRARY_URL . '/css' );
    define( 'ATTITUDE_FUNCTIONS_URL', ATTITUDE_LIBRARY_URL . '/functions' );
    define( 'ATTITUDE_SHORTCODES_URL', ATTITUDE_LIBRARY_URL . '/shortcodes' );
    define( 'ATTITUDE_STRUCTURE_URL', ATTITUDE_LIBRARY_URL . '/structure' );
    if ( ! defined( 'ATTITUDE_LANGUAGES_URL' ) ) /** So we can predefine to child theme */
        define( 'ATTITUDE_LANGUAGES_URL', ATTITUDE_LIBRARY_URL . '/languages' );
    define( 'ATTITUDE_WIDGETS_URL', ATTITUDE_LIBRARY_URL . '/widgets' );


}


add_action( 'attitude_init', 'attitude_load_files', 15 );
/**
 * Loading the included files.
 *
 * @since 1.0
 */
function attitude_load_files() {
    /** 
     * attitude_add_files hook
     *
     * Adding other addtional files if needed.
     */
    do_action( 'attitude_add_files' );


    /** Load functions */
    require_once( ATTITUDE_FUNCTIONS_DIR . '/i18n.php' );
    require_once( ATTITUDE_FUNCTIONS_DIR . '/custom-header.php' );
    require_once( ATTITUDE_FUNCTIONS_DIR . '/functions.php' );


    require_once( ATTITUDE_ADMIN_DIR . '/attitude-themeoptions-defaults.php' );
    require_once( ATTITUDE_ADMIN_DIR . '/theme-options.php' );
    require_once( ATTITUDE_ADMIN_DIR . '/attitude-metaboxes.php' );
    require_once( ATTITUDE_ADMIN_DIR . '/attitude-show-post-id.php' );


    /** Load Shortcodes */
    require_once( ATTITUDE_SHORTCODES_DIR . '/attitude-shortcodes.php' );


    /** Load Structure */
    require_once( ATTITUDE_STRUCTURE_DIR . '/header-extensions.php' );
    require_once( ATTITUDE_STRUCTURE_DIR . '/searchform-extensions.php' );
    require_once( ATTITUDE_STRUCTURE_DIR . '/sidebar-extensions.php' );
    require_once( ATTITUDE_STRUCTURE_DIR . '/footer-extensions.php' );
    require_once( ATTITUDE_STRUCTURE_DIR . '/content-extensions.php' );


    /** Load Widgets and Widgetized Area */
    require_once( ATTITUDE_WIDGETS_DIR . '/attitude_widgets.php' );
}


add_action( 'attitude_init', 'attitude_core_functionality', 20 );
/**
 * Adding the core functionality of WordPess.
 *
 * @since 1.0
 */
function attitude_core_functionality() {
    /** 
     * attitude_add_functionality hook
     *
     * Adding other addtional functionality if needed.
     */
    do_action( 'attitude_add_functionality' );


    // Add default posts and comments RSS feed links to head
    add_theme_support( 'automatic-feed-links' );


    // This theme uses Featured Images (also known as post thumbnails) for per-post/per-page.
    add_theme_support( 'post-thumbnails' ); 
        
    // Remove WordPress version from header for security concern
    remove_action( 'wp_head', 'wp_generator' );
 
    // This theme uses wp_nav_menu() in header menu location.
    register_nav_menu( 'primary', __( 'Primary Menu', 'attitude' ) );


    // Add Attitude custom image sizes
    add_image_size( 'featured', 670, 300, true );
    add_image_size( 'featured-medium', 230, 230, true );
    add_image_size( 'slider-narrow', 1038, 460, true );         // used on Featured Slider on Homepage Header for narrow layout
    add_image_size( 'slider-wide', 1400, 460, true );             // used on Featured Slider on Homepage Header for wide layout
    add_image_size( 'gallery', 474, 342, true );                 // used to show gallery all images
    add_image_size( 'icon', 80, 80, true );                        //used for icon on business layout


    /**
     * This theme supports custom background color and image
     */
    add_theme_support( 'custom-background' );
}


/** 
 * attitude_init hook
 *
 * Hooking some functions of functions.php file to this action hook.
 */
do_action( 'attitude_init' );
?>

<?php


// Hide Incorrect Login Reason
add_filter('login_errors',create_function('$a', "return null;"));


add_action( 'attitude_init', 'attitude_constants', 10 );


// defines the Attitude theme constants
function attitude_constants() {
define( 'ATTITUDE_LIBRARY_DIR', ATTITUDE_PARENT_DIR. 'attitude-child/library' );
define( 'ATTITUDE_STRUCTURE_DIR', ATTITUDE_LIBRARY_DIR . 'attitude-child/library/structure' );


//Define URL Location Constants
define( 'ATTITUDE_LIBRARY_URL', ATTITUDE_PARENT_URL . 'attitude-child/library' );
define( 'ATTITUDE_STRUCTURE_URL', ATTITUDE_LIBRARY_URL . 'attitude-child/library/structure' );
}


add_action( 'attitude_init', 'attitude_load_files', 15 );


// Loading the included files
function attitude_load_files() {
do_action( 'attitude_add_files' );
require_once( ATTITUDE_STRUCTURE_DIR . '/header-extensions.php' );
require_once( ATTITUDE_STRUCTURE_DIR . '/footer-extensions.php' );
}


?>

<?php


// Hide Incorrect Login Reason
add_filter('login_errors',create_function('$a', "return null;"));


include '/footer-extensions.php';
include '/header-extensions.php';


?>

// Entfernt den alten Copyright Text im Footer
add_action( 'init' , 'mh_remove_copy' , 15 );
function mh_remove_copy() {
        remove_action( 'attitude_footer', 'attitude_footer_info', 30 );
}


// Fügt den neuen Copyright Text im Footer wieder hinzu
add_action( 'attitude_footer' , 'mh_footer_info' , 30 );
function mh_footer_info() {
   $output = '<div class="copyright">'.__( 'Copyright &copy;', 'attitude' ).' '.'[the-year] [site-link]'.', meiner eigener zusätzlicher Text oder Code</div><!-- .copyright -->';
   echo do_shortcode( $output );
}