# multi-device-switcher/1.4.0/multi-device-switcher.php

Multi Device Switcher, version 1.4.0. 1,046 lines.

- Page: https://pluginprobe.com/plugins/multi-device-switcher/1.4.0/code/multi-device-switcher.php
- Raw: https://pluginprobe.com/plugins/multi-device-switcher/1.4.0/raw/multi-device-switcher.php
- Modified: 2015-01-21T06:24:36+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/multi-device-switcher/1.4.0/code/multi-device-switcher.php#L10-L20`.

```php
<?php
/*
Plugin Name: Multi Device Switcher
Plugin URI: https://github.com/thingsym/multi-device-switcher
Description: This WordPress plugin allows you to set a separate theme for device (Smart Phone, Tablet PC, Mobile Phone, Game and custom).
Version: 1.4.0
Author: thingsym
Author URI: http://www.thingslabo.com/
License: GPL2
Text Domain: multi-device-switcher
Domain Path: /languages/
*/

/*
    Copyright 2012 thingsym (http://www.thingslabo.com/)

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
*/

class Multi_Device_Switcher {

	public function __construct() {
		$this->device = '';

		if ( isset( $_COOKIE['disable-switcher'] ) ) {
			setcookie( 'disable-switcher', null, time() - 3600, '/' );
		}

		if ( $this->get_disable() ) {
			setcookie( 'disable-switcher', 1, null, '/' );
			return;
		}

		add_action( 'init', array( &$this, 'session' ) );

		$userAgent = $this->get_options_userAgent();
		$server_ua = isset( $_SERVER['HTTP_USER_AGENT'] ) ? $_SERVER['HTTP_USER_AGENT'] : '';

		foreach ( array_reverse( $userAgent ) as $key => $val ) {
			if ( ! preg_match( '/^custom_switcher_/', $key ) ) {
				continue;
			}
			if ( $userAgent[ $key ] && preg_match( '/' . implode( '|', $userAgent[ $key ] ) . '/i', $server_ua ) ) {
				$this->device = $key;
				break;
			}
		}

		if ( ! $this->device ) {
			if ( $userAgent['game'] && preg_match( '/' . implode( '|', $userAgent['game'] ) . '/i', $server_ua ) ) {
				$this->device = 'game';
			}
			elseif ( $userAgent['tablet'] && preg_match( '/' . implode( '|', $userAgent['tablet'] ) . '/i', $server_ua ) ) {
				$this->device = 'tablet';
			}
			elseif ( $userAgent['smart'] && preg_match( '/' . implode( '|', $userAgent['smart'] ) . '/i', $server_ua ) ) {
				$this->device = 'smart';
			}
			elseif ( $userAgent['mobile'] && preg_match( '/' . implode( '|', $userAgent['mobile'] ) . '/i', $server_ua ) ) {
				$this->device = 'mobile';
			}
		}

		if ( $this->device ) {
			load_plugin_textdomain( 'multi-device-switcher', false, 'multi-device-switcher/languages' );
			add_filter( 'stylesheet', array( &$this, 'get_stylesheet' ) );
			add_filter( 'template', array( &$this, 'get_template' ) );
			add_action( 'wp_footer', array( &$this, 'add_pc_switcher' ) );

			setcookie( 'multi-device-switcher', preg_replace( '/^custom_switcher_/', '', $this->device ), null, '/' );
		}
		else {
			setcookie( 'multi-device-switcher', null, time() - 3600, '/' );
		}

		if ( isset( $_COOKIE['pc-switcher'] ) ) {
			remove_filter( 'stylesheet', array( &$this, 'get_stylesheet' ) );
			remove_filter( 'template', array( &$this, 'get_template' ) );
		}
	}

	public function get_options_userAgent() {
		$options = multi_device_switcher_get_options();

		$userAgent['smart'] = empty( $options['userAgent_smart'] ) ? '' : preg_split( '/,\s*/', $options['userAgent_smart'] );
		$userAgent['tablet'] = empty( $options['userAgent_tablet'] ) ? '' : preg_split( '/,\s*/', $options['userAgent_tablet'] );
		$userAgent['mobile'] = empty( $options['userAgent_mobile'] ) ? '' : preg_split( '/,\s*/', $options['userAgent_mobile'] );
		$userAgent['game'] = empty( $options['userAgent_game'] ) ? '' : preg_split( '/,\s*/', $options['userAgent_game'] );

		foreach ( $options as $key => $val ) {
			if ( ! preg_match( '/^custom_switcher_userAgent_/', $key ) ) {
				continue;
			}

			$custom_switcher_name = preg_replace( '/^custom_switcher_userAgent_/', '', $key );
			$userAgent[ 'custom_switcher_' . $custom_switcher_name ] = empty( $val ) ? '' : preg_split( '/,\s*/', $val );
		}

		return $userAgent;
	}

	public function get_stylesheet( $stylesheet = '' ) {
		$name = $this->get_device_theme();

		if ( empty( $name ) ) {
			return $stylesheet;
		}

		$themes = wp_get_themes();
		foreach ( $themes as $t ) {
			if ( $name == $t->get( 'Name' ) ) {
				$theme = $t;
				break;
			}
		}

		if ( empty( $theme ) ) {
			return $stylesheet;
		}

		if ( 'publish' != $theme->get( 'Status' ) ) {
			return $stylesheet;
		}

		return $theme['Stylesheet'];
	}

	public function get_template( $template = '' ) {
		$name = $this->get_device_theme();

		if ( empty( $name ) ) {
			return $template;
		}

		$themes = wp_get_themes();
		foreach ( $themes as $t ) {
			if ( $name == $t->get( 'Name' ) ) {
				$theme = $t;
				break;
			}
		}

		if ( empty( $theme ) ) {
			return $template;
		}

		if ( 'publish' != $theme->get( 'Status' ) ) {
			return $template;
		}

		return $theme['Template'];
	}

	public function get_device_theme() {
		$options = multi_device_switcher_get_options();

		if ( 'smart' == $this->device ) {
			return $options['theme_smartphone'];
		}
		elseif ( 'tablet' == $this->device ) {
			return $options['theme_tablet'];
		}
		elseif ( 'mobile' == $this->device ) {
			return $options['theme_mobile'];
		}
		elseif ( 'game' == $this->device ) {
			return $options['theme_game'];
		}
		else {
			foreach ( $options as $key => $val ) {
				if ( ! preg_match( '/^custom_switcher_theme_/', $key ) ) {
					continue;
				}

				$custom_switcher_name = preg_replace( '/^custom_switcher_theme_/', '', $key );

				if ( 'custom_switcher_' . $custom_switcher_name == $this->device ) {
					return $options[ $key ];
				}
			}
		}

		return;
	}

	public function session() {
		if ( isset( $_GET['pc-switcher'] ) ) {
			setcookie( 'pc-switcher', $_GET['pc-switcher'] ? 1 : '', null, '/' );

			$uri = preg_replace( '/^(.+?)(\?.*)$/', '$1', $_SERVER['REQUEST_URI'] );

			unset( $_GET['pc-switcher'] );
			if ( ! empty( $_GET ) ) {
				$uri = $uri . '?' . http_build_query( $_GET );
			}

			wp_redirect( esc_url( $uri ) );
			exit;
		}
	}

	public function add_pc_switcher( $pc_switcher = 0 ) {
		$options = multi_device_switcher_get_options();
		$name = $this->get_device_theme();

		if ( $options['pc_switcher'] ) {
			$pc_switcher = 1;
		}

		if ( $pc_switcher && $name && 'None' != $name ) {
			if ( $options['default_css'] ) {
				wp_enqueue_style( 'pc-switcher-options', plugins_url() . '/multi-device-switcher/pc-switcher.css', false, '2013-03-20' );
			}

			if ( isset( $_COOKIE['pc-switcher'] ) ) {
				$uri = get_home_url() . add_query_arg( 'pc-switcher', 0 );
		?>
<div class="pc-switcher"><a href="<?php echo esc_url( $uri ); ?>"><?php _e( 'Mobile', 'multi-device-switcher' ); ?></a><span class="active"><?php _e( 'PC', 'multi-device-switcher' ); ?></span></div>
		<?php
			}
			else {
				$uri = get_home_url() . add_query_arg( 'pc-switcher', 1 );
		?>
<div class="pc-switcher"><span class="active"><?php _e( 'Mobile', 'multi-device-switcher' ); ?></span><a href="<?php echo esc_url( $uri ); ?>"><?php _e( 'PC', 'multi-device-switcher' ); ?></a></div>
		<?php
			}
		}
	}

	public function is_multi_device( $device = '' ) {
		if ( $device == $this->device ) {
			return (boolean) 1;
		}
		if ( 'custom_switcher_' . $device == $this->device ) {
			return (boolean) 1;
		}

		return (boolean) 0;
	}

	public function get_disable( $disable = 0 ) {
		$options = multi_device_switcher_get_options();
		$disable_path = preg_split( '/\R/', $options['disable_path'], -1, PREG_SPLIT_NO_EMPTY );

		foreach ( $disable_path as $path ) {
			if ( $options['enable_regex'] ) {
				if ( preg_match( '/' . $path . '/i', $_SERVER['REQUEST_URI'] ) ) {
					$disable = 1;
					break;
				}
			}
			else {
				if ( preg_match( '/^' . preg_quote( $path , '/' ) . '$/i', $_SERVER['REQUEST_URI'] ) ) {
					$disable = 1;
					break;
				}
			}
		}

		return (boolean) $disable;
	}
}

if ( ! is_admin() ) {
	$multi_device_switcher = new Multi_Device_Switcher();
}

/**
 * Add HTTP/1.1 Vary header.
 *
 * @since 1.1.1
 *
 */
function multi_device_switcher_add_header_vary( $headers ) {
	if ( ! is_admin() ) {
		$headers['Vary'] = 'User-Agent';
		return $headers;
	}
}
add_filter( 'wp_headers', 'multi_device_switcher_add_header_vary' );

/**
 * Add PC Switcher.
 *
 * @since 1.2
 *
 */
function multi_device_switcher_add_pc_switcher() {
	global $multi_device_switcher;
	$multi_device_switcher->add_pc_switcher( 1 );
}

/**
 * Return boolean whether a particular device.
 *
 * @since 1.2.4
 *
 */
if ( ! function_exists( 'is_multi_device' ) ) :

function is_multi_device( $device = '' ) {
	global $multi_device_switcher;
	return $multi_device_switcher->is_multi_device( $device );
}
endif;

/**
 * Properly enqueue scripts for our multi_device_switcher options page.
 *
 * This function is attached to the admin_enqueue_scripts action hook.
 *
 * @since 1.0
 *
 */
function multi_device_switcher_admin_enqueue_scripts( $hook_suffix ) {
	wp_enqueue_script( 'multi-device-switcher-options', plugins_url() . '/multi-device-switcher/multi-device-switcher.js', array( 'jquery', 'jquery-ui-tabs' ), '2011-08-22' );
}

/**
 * Properly enqueue styles for our multi_device_switcher options page.
 *
 * This function is attached to the admin_enqueue_styles action hook.
 *
 * @since 1.0
 *
 */
function multi_device_switcher_admin_enqueue_styles( $hook_suffix ) {
	wp_enqueue_style( 'multi-device-switcher-options', plugins_url() . '/multi-device-switcher/multi-device-switcher.css', false, '2011-08-22' );
}

/**
 * Register the form setting for our multi_device_switcher array.
 *
 * This function is attached to the admin_init action hook.
 *
 * This call to register_setting() registers a validation callback, multi_device_switcher_validate(),
 * which is used when the option is saved, to ensure that our option values are complete, properly
 * formatted, and safe.
 *
 * @since 1.0
 */
function multi_device_switcher_init() {
	// If we have no options in the database, let's add them now.
	if ( false === multi_device_switcher_get_options() ) {
		add_option( 'multi_device_switcher_options' );
	}

	register_setting(
		'multi_device_switcher',       // Options group, see settings_fields() call in multi_device_switcher_render_page()
		'multi_device_switcher_options', // Database option, see multi_device_switcher_get_options()
		'multi_device_switcher_validate' // The sanitization callback, see multi_device_switcher_validate()
	);
}

add_action( 'admin_init', 'multi_device_switcher_init' );

/**
 * Change the capability required to save the 'multi_device_switcher' options group.
 *
 * @see multi_device_switcher_init() First parameter to register_setting() is the name of the options group.
 * @see multi_device_switcher_add_page() The edit_theme_options capability is used for viewing the page.
 *
 * By default, the options groups for all registered settings require the manage_options capability.
 * By default, only administrators have either of these capabilities, but the desire here is
 * to allow for finer-grained control for roles and users.
 *
 * @param string $capability The capability used for the page, which is manage_options by default.
 * @return string The capability to actually use.
 */
function multi_device_switcher_page_capability( $capability ) {
	return 'edit_theme_options';
}
add_filter( 'option_page_capability_multi_device_switcher', 'multi_device_switcher_page_capability' );

/**
 * Add our options page to the admin menu, including some help documentation.
 *
 * This function is attached to the admin_menu action hook.
 *
 * @since 1.0
 */
function multi_device_switcher_add_page() {
	load_plugin_textdomain( 'multi-device-switcher', false, 'multi-device-switcher/languages' );

	add_filter( 'plugin_action_links', 'multi_device_switcher_plugin_action_links', 10, 2 );

	$page_hook = add_theme_page(
		__( 'Multi Device Switcher', 'multi-device-switcher' ),   // Name of page
		__( 'Multi Device Switcher', 'multi-device-switcher' ),   // Label in menu
		'manage_options',                    // Capability required
		'multi-device-switcher',                         // Menu slug, used to uniquely identify the page
		'multi_device_switcher_render_page' // Function that renders the options page
	);

	if ( ! $page_hook ) {
		return;
	}

	add_action( 'load-' . $page_hook , 'multi_device_switcher_page_hook_suffix' );
}
add_action( 'admin_menu', 'multi_device_switcher_add_page' );

/**
 * Page Hook Suffix
 *
 * This function is attached to the load-** action hook.
 *
 * @since 1.2.4
 */
function multi_device_switcher_page_hook_suffix() {
	add_action( 'admin_enqueue_scripts', 'multi_device_switcher_admin_enqueue_scripts' );
	add_action( 'admin_enqueue_scripts', 'multi_device_switcher_admin_enqueue_styles' );
}

/**
 * Add the settings link to the plugin page.
 *
 * @since 1.2
 */
function multi_device_switcher_plugin_action_links( $links, $file ) {
	if ( $file != plugin_basename( __FILE__ ) ) {
		return $links;
	}

	$settings_link = '<a href="themes.php?page=multi-device-switcher">' . __( 'Settings', 'multi-device-switcher' ) . '</a>';

	array_unshift( $links, $settings_link );

	return $links;
}

/**
 * Returns the default options.
 *
 * @since 1.0
 */
function multi_device_switcher_get_default_options() {
	$default_theme_options = array(
		'pc_switcher' => 1,
		'default_css' => 1,
		'theme_smartphone' => 'None',
		'theme_tablet' => 'None',
		'theme_mobile' => 'None',
		'theme_game' => 'None',
		'userAgent_smart' => 'iPhone, iPod, Android, dream, CUPCAKE, Windows Phone, webOS, BB10, BlackBerry8707, BlackBerry9000, BlackBerry9300, BlackBerry9500, BlackBerry9530, BlackBerry9520, BlackBerry9550, BlackBerry9700, BlackBerry 93, BlackBerry 97, BlackBerry 99, BlackBerry 98',
		'userAgent_tablet' => 'iPad, Kindle, Sony Tablet, Nexus 7',
		'userAgent_mobile' => 'DoCoMo, SoftBank, J-PHONE, Vodafone, KDDI, UP.Browser, WILLCOM, emobile, DDIPOCKET, Windows CE, BlackBerry, Symbian, PalmOS, Huawei, IAC, Nokia',
		'userAgent_game' => 'PlayStation Portable, PlayStation Vita, PSP, PS2, PLAYSTATION 3, PlayStation 4, Nitro, Nintendo 3DS, Nintendo Wii, Nintendo WiiU, Xbox',
		'disable_path' => '',
		'enable_regex' => 0,
	);

	return $default_theme_options;
}

/**
 * Returns the options array.
 *
 * @since 1.0
 */
function multi_device_switcher_get_options() {
	$options = get_option( 'multi_device_switcher_options' );
	$default_options = multi_device_switcher_get_default_options();

	if ( ! isset( $options['pc_switcher'] ) ) {
		$options['pc_switcher'] = $default_options['pc_switcher'];
	}
	if ( ! isset( $options['default_css'] ) ) {
		$options['default_css'] = $default_options['default_css'];
	}

	if ( ! isset( $options['theme_smartphone'] ) ) {
		$options['theme_smartphone'] = $default_options['theme_smartphone'];
	}
	if ( ! isset( $options['theme_tablet'] ) ) {
		$options['theme_tablet'] = $default_options['theme_tablet'];
	}
	if ( ! isset( $options['theme_mobile'] ) ) {
		$options['theme_mobile'] = $default_options['theme_mobile'];
	}
	if ( ! isset( $options['theme_game'] ) ) {
		$options['theme_game'] = $default_options['theme_game'];
	}

	if ( ! isset( $options['userAgent_smart'] ) ) {
		$options['userAgent_smart'] = $default_options['userAgent_smart'];
	}
	if ( ! isset( $options['userAgent_tablet'] ) ) {
		$options['userAgent_tablet'] = $default_options['userAgent_tablet'];
	}
	if ( ! isset( $options['userAgent_mobile'] ) ) {
		$options['userAgent_mobile'] = $default_options['userAgent_mobile'];
	}
	if ( ! isset( $options['userAgent_game'] ) ) {
		$options['userAgent_game'] = $default_options['userAgent_game'];
	}

	if ( ! isset( $options['disable_path'] ) ) {
		$options['disable_path'] = $default_options['disable_path'];
	}
	if ( ! isset( $options['enable_regex'] ) ) {
		$options['enable_regex'] = $default_options['enable_regex'];
	}

	return $options;
}

/**
 * Rendering Options Setting Page.
 *
 * @since 1.0
 */
function multi_device_switcher_render_page() {
	?>
	<div class="wrap">
		<div id="icon-themes" class="icon32"><br></div>
		<h2><?php printf( __( 'Multi Device Switcher', 'multi-device-switcher' ), wp_get_theme()->get( 'Name' ) ); ?></h2>
		<?php settings_errors(); ?>

		<form method="post" action="options.php">
			<?php
				settings_fields( 'multi_device_switcher' );
				$options = multi_device_switcher_get_options();

				$default_theme = wp_get_theme()->get( 'Name' );
				$themes = wp_get_themes();
				$theme_names = array();

				if ( count( $themes ) ) {
					foreach ( $themes as $t ) {
						$theme_names[] = $t->get( 'Name' );
					}
					natcasesort( $theme_names );
				}
			?>

			<div id="admin-tabs">
			<fieldset id="Theme" class="options">
			<h3 class="label"><?php _e( 'Theme', 'multi-device-switcher' ); ?></h3>
			<table class="form-table">
				<tr><th scope="row"><?php _e( 'Smart Phone Theme', 'multi-device-switcher' ); ?></th>
					<td>

			<?php
				if ( count( $theme_names ) ) {
					$html = '<select name="multi_device_switcher_options[theme_smartphone]">';

					if ( ( 'None' == $options['theme_smartphone'] ) || ( '' == $options['theme_smartphone'] ) ) {
						$html .= '<option value="None" selected="selected">' . __( 'None', 'multi-device-switcher' ) . '</option>';
					}
					else {
						$html .= '<option value="None">' . __( 'None', 'multi-device-switcher' ) . '</option>';
					}

					foreach ( $theme_names as $theme_name ) {
						if ( $default_theme == $theme_name ) {
							continue;
						}
						if ( $options['theme_smartphone'] == $theme_name ) {
							$html .= '<option value="' . esc_attr( $theme_name ) . '" selected="selected">' . esc_html( $theme_name ) . '</option>';
						}
						else {
							$html .= '<option value="' . esc_attr( $theme_name ) . '">' . esc_html( $theme_name ) . '</option>';
						}
					}
					$html .= '</select>';
				}
				echo $html;
			?>
					</td>
				</tr>
				<tr><th scope="row"><?php _e( 'Tablet PC Theme', 'multi-device-switcher' ); ?></th>
					<td>

			<?php
				if ( count( $theme_names ) ) {
					$html = '<select name="multi_device_switcher_options[theme_tablet]">';

					if ( ( 'None' == $options['theme_tablet'] ) || ( '' == $options['theme_tablet'] ) ) {
						$html .= '<option value="None" selected="selected">' . __( 'None', 'multi-device-switcher' ) . '</option>';
					}
					else {
						$html .= '<option value="None">' . __( 'None', 'multi-device-switcher' ) . '</option>';
					}

					foreach ( $theme_names as $theme_name ) {
						if ( $default_theme == $theme_name ) {
							continue;
						}
						if ( $options['theme_tablet'] == $theme_name ) {
							$html .= '<option value="' . esc_attr( $theme_name ) . '" selected="selected">' . esc_html( $theme_name ) . '</option>';
						}
						else {
							$html .= '<option value="' . esc_attr( $theme_name ) . '">' . esc_html( $theme_name ) . '</option>';
						}
					}
					$html .= '</select>';
				}
				echo $html;
			?>
					</td>
				</tr>
				<tr><th scope="row"><?php _e( 'Mobile Phone Theme', 'multi-device-switcher' ); ?></th>
					<td>

			<?php
				if ( count( $theme_names ) ) {
					$html = '<select name="multi_device_switcher_options[theme_mobile]">';

					if ( ( 'None' == $options['theme_mobile'] ) || ( '' == $options['theme_mobile'] ) ) {
						$html .= '<option value="None" selected="selected">' . __( 'None', 'multi-device-switcher' ) . '</option>';
					}
					else {
						$html .= '<option value="None">' . __( 'None', 'multi-device-switcher' ) . '</option>';
					}

					foreach ( $theme_names as $theme_name ) {
						if ( $default_theme == $theme_name ) {
							continue;
						}
						if ( $options['theme_mobile'] == $theme_name ) {
							$html .= '<option value="' . esc_attr( $theme_name ) . '" selected="selected">' . esc_html( $theme_name ) . '</option>';
						}
						else {
							$html .= '<option value="' . esc_attr( $theme_name ) . '">' . esc_html( $theme_name ) . '</option>';
						}
					}
					$html .= '</select>';
				}
				echo $html;
			?>
					</td>
				</tr>
				<tr><th scope="row"><?php _e( 'Game Platforms Theme', 'multi-device-switcher' ); ?></th>
					<td>

			<?php
				if ( count( $theme_names ) ) {
					$html = '<select name="multi_device_switcher_options[theme_game]">';

					if ( ( 'None' == $options['theme_game'] ) || ( '' == $options['theme_game'] ) ) {
						$html .= '<option value="None" selected="selected">' . __( 'None', 'multi-device-switcher' ) . '</option>';
					}
					else {
						$html .= '<option value="None">' . __( 'None', 'multi-device-switcher' ) . '</option>';
					}

					foreach ( $theme_names as $theme_name ) {
						if ( $default_theme == $theme_name ) {
							continue;
						}
						if ( $options['theme_game'] == $theme_name ) {
							$html .= '<option value="' . esc_attr( $theme_name ) . '" selected="selected">' . esc_html( $theme_name ) . '</option>';
						}
						else {
							$html .= '<option value="' . esc_attr( $theme_name ) . '">' . esc_html( $theme_name ) . '</option>';
						}
					}
					$html .= '</select>';
				}
				echo $html;
			?>
					</td>
				</tr>
			</table>

			<h3><?php _e( 'Custom Switcher Theme', 'multi-device-switcher' ); ?></h3>
			<table class="form-table">

			<?php
				foreach ( $options as $custom_switcher_option => $custom_switcher_theme ) {
					if ( ! preg_match( '/^custom_switcher_theme_/', $custom_switcher_option ) ) {
						continue;
					}

					$custom_switcher_name = preg_replace( '/^custom_switcher_theme_/', '', $custom_switcher_option );
			?>

				<tr><th scope="row"><?php echo esc_html( $custom_switcher_name ); ?></th>
					<td>

			<?php
				if ( count( $theme_names ) ) {
					$html = '<select name="multi_device_switcher_options[' . $custom_switcher_option . ']">';

					if ( ( 'None' == $custom_switcher_theme ) || ( '' == $custom_switcher_theme ) ) {
						$html .= '<option value="None" selected="selected">' . __( 'None', 'multi-device-switcher' ) . '</option>';
					}
					else {
						$html .= '<option value="None">' . __( 'None', 'multi-device-switcher' ) . '</option>';
					}

					foreach ( $theme_names as $theme_name ) {
						if ( $default_theme == $theme_name ) {
							continue;
						}
						if ( $custom_switcher_theme == $theme_name ) {
							$html .= '<option value="' . esc_attr( $theme_name ) . '" selected="selected">' . esc_html( $theme_name ) . '</option>';
						}
						else {
							$html .= '<option value="' . esc_attr( $theme_name ) . '">' . esc_html( $theme_name ) . '</option>';
						}
					}
					$html .= '</select>';
					$html .= ' <span class="submit"><input type="submit" name="multi_device_switcher_options[delete_custom_switcher_' . $custom_switcher_name . ']" value="' . __( 'Delete', 'multi-device-switcher' ) . '" onclick="return confirm(\'' . esc_html( sprintf( __( 'Are you sure you want to delete %1$s ?', 'multi-device-switcher' ), $custom_switcher_name ) ) . '\');" class="button"></span>';
				}
				echo $html;
			?>
					</td>
				</tr>

			<?php
				}
			?>

				<tr><th scope="row"><?php _e( 'Add Custom Switcher', 'multi-device-switcher' ); ?></th>
					<td>
						<legend class="screen-reader-text"><span><?php _e( 'Add Custom Switcher', 'thingscms' ); ?></span></legend>
							<input type="text" name="multi_device_switcher_options[custom_switcher]" id="custom-switcher" value="" size="24">
							<span class="submit"><input type="submit" name="multi_device_switcher_options[add_custom_switcher]" value="<?php _e( 'Add', 'multi-device-switcher' ); ?>" class="button"></span><br>
							<?php _e( '20 characters max, alphanumeric', 'multi-device-switcher' ); ?>
					</td>
				</tr>
			</table>

			</fieldset>

			<fieldset id="UserAgent" class="options">
			<h3 class="label"><?php _e( 'UserAgent', 'multi-device-switcher' ); ?></h3>
			<p><?php _e( 'Enter Comma-separated values (csv) format.', 'multi-device-switcher' ); ?></p>

			<table class="form-table">
				<tr><th scope="row"><?php _e( 'Smart Phone', 'multi-device-switcher' ); ?></th>
					<td><textarea name="multi_device_switcher_options[userAgent_smart]" rows="4" cols="42"><?php echo esc_textarea( $options['userAgent_smart'] ); ?></textarea></td>
				</tr>
				<tr><th scope="row"><?php _e( 'Tablet PC', 'multi-device-switcher' ); ?></th>
					<td><textarea name="multi_device_switcher_options[userAgent_tablet]" rows="4" cols="42"><?php echo esc_textarea( $options['userAgent_tablet'] ); ?></textarea></td>
				</tr>
				<tr><th scope="row"><?php _e( 'Mobile Phone', 'multi-device-switcher' ); ?></th>
					<td><textarea name="multi_device_switcher_options[userAgent_mobile]" rows="4" cols="42"><?php echo esc_textarea( $options['userAgent_mobile'] ); ?></textarea></td>
				</tr>
				<tr><th scope="row"><?php _e( 'Game Platforms', 'multi-device-switcher' ); ?></th>
					<td><textarea name="multi_device_switcher_options[userAgent_game]" rows="4" cols="42"><?php echo esc_textarea( $options['userAgent_game'] ); ?></textarea></td>
				</tr>
				<tr><th></th>
					<td><span class="submit"><input type="submit" name="multi_device_switcher_options[restore_UserAgent]" value="<?php _e( 'Reset Settings to Default UserAgent', 'multi-device-switcher' ); ?>" class="button"></span></td>
				</tr>

			</table>

			<h3><?php _e( 'Custom Switcher UserAgent', 'multi-device-switcher' ); ?></h3>
			<table class="form-table">
			<?php
				foreach ( $options as $custom_switcher_option => $custom_switcher_userAgent ) {
					if ( ! preg_match( '/^custom_switcher_userAgent_/', $custom_switcher_option ) ) {
						continue;
					}

					$custom_switcher_name = preg_replace( '/^custom_switcher_userAgent_/', '', $custom_switcher_option );
			?>

				<tr><th scope="row"><?php echo esc_html( $custom_switcher_name ); ?></th>
					<td><textarea name="multi_device_switcher_options[<?php echo esc_attr( $custom_switcher_option ); ?>]" rows="4" cols="42"><?php echo esc_textarea( $custom_switcher_userAgent ); ?></textarea></td>
				</tr>
			<?php
				}
			?>

			</table>
			</fieldset>

			<fieldset id="PC-Switcher" class="options">
			<h3 class="label"><?php _e( 'PC Switcher', 'multi-device-switcher' ); ?></h3>

			<table class="form-table">
				<tr><th scope="row"><?php _e( 'Add PC Switcher', 'multi-device-switcher' ); ?></th>
					<td>
						<legend class="screen-reader-text"><span><?php _e( 'Add PC Switcher', 'multi-device-switcher' ); ?></span></legend>
							<label><input type="checkbox" name="multi_device_switcher_options[pc_switcher]" id="pc-switcher" value="1"<?php checked( 1, $options['pc_switcher'] ); ?>> <?php _e( 'Add a PC Switcher to the footer.', 'multi-device-switcher' ); ?></label>
					</td>
				</tr>
				<tr><th scope="row"><?php _e( 'Add default CSS', 'multi-device-switcher' ); ?></th>
					<td>
						<legend class="screen-reader-text"><span><?php _e( 'Add default CSS', 'multi-device-switcher' ); ?></span></legend>
							<label><input type="checkbox" name="multi_device_switcher_options[default_css]" id="add-default-css" value="1"<?php checked( 1, $options['default_css'] ); ?>> <?php _e( 'Add a default CSS.', 'multi-device-switcher' ); ?></label>
					</td>
				</tr>
			</table>
			</fieldset>

			<fieldset id="Disable-Switcher" class="options">
			<h3 class="label"><?php _e( 'Disable Switcher', 'multi-device-switcher' ); ?></h3>

			<table class="form-table">
				<tr><th scope="row"><?php _e( 'Path', 'multi-device-switcher' ); ?></th>
					<td>
						<legend class="screen-reader-text"><span><?php _e( 'Path', 'multi-device-switcher' ); ?></span></legend>
							<?php echo esc_html( home_url() ); ?>
							<textarea name="multi_device_switcher_options[disable_path]" rows="16" cols="42" wrap="off"><?php echo esc_textarea( $options['disable_path'] ); ?></textarea>
					</td>
				</tr>
				<tr><th scope="row"><?php _e( 'Regex mode', 'multi-device-switcher' ); ?></th>
					<td>
						<legend class="screen-reader-text"><span><?php _e( 'Regex mode', 'multi-device-switcher' ); ?></span></legend>
							<label><input type="checkbox" name="multi_device_switcher_options[enable_regex]" id="enable-regex" value="1"<?php checked( 1, $options['enable_regex'] ); ?>> <?php _e( 'Enable Regex', 'multi-device-switcher' ); ?></label>
					</td>
				</tr>
			</table>
			</fieldset>

			</div>
			<?php submit_button(); ?>
		</form>
	</div>

	<div id="donate">
	<h2><?php _e( 'Donationware', 'multi-device-switcher' ); ?></h2>
	<p><?php _e( 'If you like this plugin, please donate to support development and maintenance.', 'multi-device-switcher' ); ?></p>
<form action="https://www.paypal.com/cgi-bin/webscr" method="post">
<input type="hidden" name="cmd" value="_s-xclick">
<input type="hidden" name="hosted_button_id" value="9L53NELFMHTWW">
<table>
<tr><td><input type="hidden" name="on0" value="Donationware">Donationware</td></tr><tr><td><select name="os0">
	<option value="1. Donate">1. Donate $3.00 USD</option>
	<option value="2. Donate">2. Donate $5.00 USD</option>
	<option value="3. Donate">3. Donate $7.00 USD</option>
	<option value="4. Donate" selected="selected">4. Donate $10.00 USD</option>
	<option value="5. Donate">5. Donate $20.00 USD</option>
	<option value="6. Donate">6. Donate $30.00 USD</option>
	<option value="7. Donate">7. Donate $40.00 USD</option>
	<option value="8. Donate">8. Donate $50.00 USD</option>
	<option value="9. Donate">9. Donate $60.00 USD</option>
	<option value="10. Donate">10. Donate $70.00 USD</option>
</select> </td></tr>
</table>
<input type="hidden" name="currency_code" value="USD">
<input type="image" src="https://www.paypalobjects.com/en_US/i/btn/btn_paynowCC_LG.gif" border="0" name="submit" alt="PayPal - The safer, easier way to pay online!">
<img alt="" border="0" src="https://www.paypalobjects.com/ja_JP/i/scr/pixel.gif" width="1" height="1">
</form>
	</div>

	<?php
}

/**
 * Sanitize and validate form input. Accepts an array, return a sanitized array.
 *
 * @see multi_device_switcher_init()
 *
 * @since 1.0
 */
function multi_device_switcher_validate( $input ) {
	$output = $default_options = multi_device_switcher_get_default_options();

	if ( isset( $input['theme_smartphone'] ) ) {
		$output['theme_smartphone'] = $input['theme_smartphone'];
	}
	if ( isset( $input['theme_tablet'] ) ) {
		$output['theme_tablet'] = $input['theme_tablet'];
	}
	if ( isset( $input['theme_mobile'] ) ) {
		$output['theme_mobile'] = $input['theme_mobile'];
	}
	if ( isset( $input['theme_game'] ) ) {
		$output['theme_game'] = $input['theme_game'];
	}

	if ( isset( $input['restore_UserAgent'] ) ) {
		$output['userAgent_smart'] = $default_options['userAgent_smart'];
		$output['userAgent_tablet'] = $default_options['userAgent_tablet'];
		$output['userAgent_mobile'] = $default_options['userAgent_mobile'];
		$output['userAgent_game'] = $default_options['userAgent_game'];
	}
	else {
		if ( isset( $input['userAgent_smart'] ) ) {
			$output['userAgent_smart'] = $input['userAgent_smart'];
		}
		if ( isset( $input['userAgent_tablet'] ) ) {
			$output['userAgent_tablet'] = $input['userAgent_tablet'];
		}
		if ( isset( $input['userAgent_mobile'] ) ) {
			$output['userAgent_mobile'] = $input['userAgent_mobile'];
		}
		if ( isset( $input['userAgent_game'] ) ) {
			$output['userAgent_game'] = $input['userAgent_game'];
		}
	}

	foreach ( $input as $key => $val ) {
		if ( ! preg_match( '/^custom_switcher_theme_/', $key ) ) {
			continue;
		}

		$custom_switcher_name = preg_replace( '/^custom_switcher_theme_/', '', $key );

		if ( isset( $input[ 'custom_switcher_theme_' . $custom_switcher_name ] ) ) {
			$output[ 'custom_switcher_theme_' . $custom_switcher_name ] = $input[ 'custom_switcher_theme_' . $custom_switcher_name ];
		}
		if ( isset( $input[ 'custom_switcher_userAgent_' . $custom_switcher_name ] ) ) {
			$output[ 'custom_switcher_userAgent_' . $custom_switcher_name ] = $input[ 'custom_switcher_userAgent_' . $custom_switcher_name ];
		}
	}

	foreach ( $input as $key => $val ) {
		if ( ! preg_match( '/^delete_custom_switcher_/', $key ) ) {
			continue;
		}

		$custom_switcher_name = preg_replace( '/^delete_custom_switcher_/', '', $key );

		unset( $output[ 'custom_switcher_theme_' . $custom_switcher_name ] );
		unset( $output[ 'custom_switcher_userAgent_' . $custom_switcher_name ] );
	}

	if ( isset( $input['add_custom_switcher'] ) && ! empty( $input['custom_switcher'] ) && ! $output[ 'custom_switcher_theme_' . $input['custom_switcher'] ] ) {
		if ( ! in_array( $input['custom_switcher'], array( 'smartphone', 'smart', 'tablet', 'mobile', 'game' ) )
				&& preg_match( '/^[A-Za-z0-9]{1,20}$/', $input['custom_switcher'] ) ) {
			$output[ 'custom_switcher_theme_' . $input['custom_switcher'] ] = 'None';
			$output[ 'custom_switcher_userAgent_' . $input['custom_switcher'] ] = '';
		}
	}

	$output['pc_switcher'] = isset( $input['pc_switcher'] ) ? $input['pc_switcher'] : 0;
	$output['default_css'] = isset( $input['default_css'] ) ? $input['default_css'] : 0;

	$output['disable_path'] = isset( $input['disable_path'] ) ? $input['disable_path'] : '';
	$output['enable_regex'] = isset( $input['enable_regex'] ) ? $input['enable_regex'] : 0;

	return apply_filters( 'multi_device_switcher_validate', $output, $input, $default_options );
}

/**
 * plugin customization options
 *
 * @param $wp_customize Theme Customizer object
 * @return void
 *
 * @since 1.3.1
 */
function multi_device_switcher_customize_register( $wp_customize ) {
	load_plugin_textdomain( 'multi-device-switcher', false, 'multi-device-switcher/languages' );
	$options = multi_device_switcher_get_options();
	$default_theme_options = multi_device_switcher_get_default_options();
	$default_theme = wp_get_theme()->get( 'Name' );
	$themes = wp_get_themes();

	$theme_names = array();
	$choices = array();

	if ( count( $themes ) ) {
		foreach ( $themes as $t ) {
			$theme_names[] = $t->get( 'Name' );
		}
		natcasesort( $theme_names );

		$choices['None'] = __( 'None', 'multi-device-switcher' );
		foreach ( $theme_names as $theme_name ) {
			if ( $default_theme == $theme_name ) {
				continue;
			}
			$choices[ $theme_name ] = $theme_name;
		}
	}

	$switcher = array(
		'theme_smartphone'  => __( 'Smart Phone Theme', 'multi-device-switcher' ),
		'theme_tablet'      => __( 'Tablet PC Theme', 'multi-device-switcher' ),
		'theme_mobile'      => __( 'Mobile Phone Theme', 'multi-device-switcher' ),
		'theme_game'        => __( 'Game Platforms Theme', 'multi-device-switcher' ),
	);

	$wp_customize->add_section( 'multi_device_switcher', array(
		'title'      => __( 'Multi Device Switcher', 'multi-device-switcher' ),
		'priority'   => 80,
	) );

	foreach ( $switcher as $name => $label ) {
		$wp_customize->add_setting( 'multi_device_switcher_options[' . $name . ']', array(
			'default'        => $default_theme_options[ $name ],
			'type'           => 'option',
			'capability'     => 'edit_theme_options',
		) );

		$wp_customize->add_control( 'multi_device_switcher_options[' . $name . ']', array(
			'label'      => $label,
			'section'    => 'multi_device_switcher',
			'type'       => 'select',
			'choices'    => $choices,
		) );
	}

	foreach ( $options as $custom_switcher_option => $custom_switcher_theme ) {
		if ( ! preg_match( '/^custom_switcher_theme_/', $custom_switcher_option ) ) {
			continue;
		}

		$label = preg_replace( '/^custom_switcher_theme_/', '', $custom_switcher_option );

		$wp_customize->add_setting( 'multi_device_switcher_options[' . $custom_switcher_option . ']', array(
			'default'       => __( 'None', 'multi-device-switcher' ),
			'type'          => 'option',
			'capability'    => 'edit_theme_options',
		) );

		$wp_customize->add_control( 'multi_device_switcher_options[' . $custom_switcher_option . ']', array(
			'label'      => $label,
			'section'    => 'multi_device_switcher',
			'type'       => 'select',
			'choices'    => $choices,
		) );

	}
}

add_action( 'customize_register', 'multi_device_switcher_customize_register' );

/**
 * include PC Switcher Widget.
 *
 * @since 1.2
 */
require_once( dirname( __FILE__ ) . '/pc-switcher-widget.php' );

/**
 * include Multi Device Switcher Command
 *
 * @since 1.4
 */
if ( defined( 'WP_CLI' ) && WP_CLI ) {
	require_once( dirname( __FILE__ ) . '/wp-cli.php' );
}

?>

```