Theme Options Post Code

theme-options.php

<?php
$themeOptions = new Arcath\ThemeOptions('theme_slug');

add_action('init', function(){
  global $themeOptions;
  
  // Add an option using a custom control class
  $themeOptions->addThemeOptionCustomControl('logo_light',
    array(
      'type' => 'option',
      'default' => 0
    ),
    array(
      'section' => 'home',
      'label' => __('Light Logo', 'theme_slug'),
      'description' => __('Light Logo used on darker backgrounds', 'theme_slug'),
    ),
    'WP_Customize_Image_Control'
  );
  
  // Add an option with the standard control class
  $themeOptions->addThemeOption('phone_number',
    array(
      'capability' => 'edit_theme_options',
      'type'       => 'option',
      'default'    => '0123456789',
    ),
    array(
      'label' => 'Phone Number',
      'section' => 'home',
      'description' => __('Your Phone Number', 'theme_slug')
    )
  );
});

add_action('customize_register', function($wp_customize){
  // Create the required sections
  $wp_customize->add_section(
    'home',
    array(
      'title' => 'Home',
      'description' => __('Home Page Template options.', 'theme_slug'),
      'capability' => 'edit_theme_options',
    )
  );
});
?>

usage.php

<?php
global $themeOptions;

echo($themeOptions->themeOption('phone_number'));
?>