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Editing:functions.php

<?php
/**
 * Ophiro Ventures Theme Functions
 *
 * @package Ophiro_Ventures
 * @version 1.0.0
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

define( 'OPHIRO_VERSION', '1.0.0' );
define( 'OPHIRO_DIR', get_template_directory() );
define( 'OPHIRO_URI', get_template_directory_uri() );

/**
 * Include modular theme files.
 */
require OPHIRO_DIR . '/inc/custom-post-types.php';
require OPHIRO_DIR . '/inc/enqueue.php';
require OPHIRO_DIR . '/inc/customizer.php';
require OPHIRO_DIR . '/inc/template-tags.php';
require OPHIRO_DIR . '/inc/widgets.php';

/**
 * Theme Setup
 */
function ophiro_setup() {
	load_theme_textdomain( 'ophiro', OPHIRO_DIR . '/languages' );

add_theme_support( 'automatic-feed-links' );
	add_theme_support( 'title-tag' );
	add_theme_support( 'post-thumbnails' );
	add_theme_support( 'html5', array(
		'search-form',
		'comment-form',
		'comment-list',
		'gallery',
		'caption',
		'style',
		'script',
	) );
	add_theme_support( 'customize-selective-refresh-widgets' );
	add_theme_support( 'custom-logo', array(
		'height'      => 60,
		'width'       => 200,
		'flex-height' => true,
		'flex-width'  => true,
	) );
	add_theme_support( 'editor-styles' );

// Image sizes for luxury layouts
	add_image_size( 'ophiro-hero', 1920, 1080, true );
	add_image_size( 'ophiro-card', 800, 500, true );
	add_image_size( 'ophiro-thumb', 400, 300, true );
	add_image_size( 'ophiro-gallery', 1200, 800, true );

// Navigation menus
	register_nav_menus( array(
		'primary' => esc_html__( 'Primary Navigation', 'ophiro' ),
		'footer'  => esc_html__( 'Footer Navigation', 'ophiro' ),
	) );
}
add_action( 'after_setup_theme', 'ophiro_setup' );

/**
 * Content width
 */
function ophiro_content_width() {
	$GLOBALS['content_width'] = apply_filters( 'ophiro_content_width', 1400 );
}
add_action( 'after_setup_theme', 'ophiro_content_width', 0 );

/**
 * Register widget areas
 */
function ophiro_widgets_init() {
	register_sidebar( array(
		'name'          => esc_html__( 'Sidebar', 'ophiro' ),
		'id'            => 'sidebar-1',
		'description'   => esc_html__( 'Add widgets here.', 'ophiro' ),
		'before_widget' => '<section id="%1$s" class="o-widget %2$s">',
		'after_widget'  => '</section>',
		'before_title'  => '<h6 class="o-widget__title">',
		'after_title'   => '</h6>',
	) );

register_sidebar( array(
		'name'          => esc_html__( 'Footer Column 1', 'ophiro' ),
		'id'            => 'footer-1',
		'description'   => esc_html__( 'Footer widget area 1.', 'ophiro' ),
		'before_widget' => '<div id="%1$s" class="o-widget %2$s">',
		'after_widget'  => '</div>',
		'before_title'  => '<h6 class="o-footer-heading">',
		'after_title'   => '</h6>',
	) );

register_sidebar( array(
		'name'          => esc_html__( 'Footer Column 2', 'ophiro' ),
		'id'            => 'footer-2',
		'description'   => esc_html__( 'Footer widget area 2.', 'ophiro' ),
		'before_widget' => '<div id="%1$s" class="o-widget %2$s">',
		'after_widget'  => '</div>',
		'before_title'  => '<h6 class="o-footer-heading">',
		'after_title'   => '</h6>',
	) );
}
add_action( 'widgets_init', 'ophiro_widgets_init' );

/**
 * Custom excerpt length
 */
function ophiro_excerpt_length( $length ) {
	return 25;
}
add_filter( 'excerpt_length', 'ophiro_excerpt_length', 999 );

/**
 * Custom excerpt more
 */
function ophiro_excerpt_more( $more ) {
	return '&hellip;';
}
add_filter( 'excerpt_more', 'ophiro_excerpt_more' );

/**
 * Add preload for critical fonts
 */
function ophiro_preload_fonts( $urls, $relation_type ) {
	if ( 'preconnect' === $relation_type ) {
		$urls[] = array(
			'href' => 'https://fonts.googleapis.com',
			'crossorigin',
		);
	}
	return $urls;
}
add_filter( 'wp_resource_hints', 'ophiro_preload_fonts', 10, 2 );

/**
 * Disable WordPress emoji for cleaner code
 */
function ophiro_disable_emojis() {
	remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
	remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
	remove_action( 'wp_print_styles', 'print_emoji_styles' );
	remove_action( 'admin_print_styles', 'print_emoji_styles' );
}
add_action( 'init', 'ophiro_disable_emojis' );

/**
 * Add DNS prefetch for performance
 */
function ophiro_dns_prefetch() {
	echo '<link rel="dns-prefetch" href="//fonts.googleapis.com">' . "\n";
}
add_action( 'wp_head', 'ophiro_dns_prefetch', 1 );

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Editing:functions.php