PHP Decode

<?php 
 
if ( ! defined( 'ABSPATH' ) ) { 
	exit; // Exit if accessed directly. 
} 
 
class AMPHTML_Tab_Appearance extends AMPHTML_Tab_Abstract { 
 
	public function __construct( $name, $options, $is_current = false ) { 
		parent::__construct( $name, $options, $is_current ); 
		add_action( 'amphtml_proceed_settings_form', array ( $this, 'remove_outdated_min_css' ) ); 
 
	} 
 
 
	public function get_fields() { 
		return array_merge( $this->get_color_fields( 'colors' ), $this->get_font_fields( 'fonts' ), $this->get_header_fields( 'header' ), $this->get_footer_fields( 'footer' ), $this->get_post_meta_data_fields( 'post_meta_data' ), $this->get_social_share_buttons_fields( 'social_share_buttons' ), $this->get_extra_css_fields( 'extra_css' ) ); 
	} 
 
	public function get_sections() { 
		return array ( 
			'colors'               => __( 'Colors', 'amphtml' ), 
			'fonts'                => __( 'Fonts', 'amphtml' ), 
			'header'               => __( 'Header', 'amphtml' ), 
			'footer'               => __( 'Footer', 'amphtml' ), 
			'post_meta_data'       => __( 'Post Meta Data', 'amphtml' ), 
			'social_share_buttons' => __( 'Social Share Buttons', 'amphtml' ), 
			'extra_css'            => __( 'Extra CSS', 'amphtml' ) 
		); 
	} 
 
	public function get_font_fields( $section ) { 
		return array ( 
			array ( 
				'id'                    => 'logo_font', 
				'title'                 => __( 'Logo', 'amphtml' ), 
				'default'               => 'sans-serif', 
				'description'           => '', 
				'display_callback'      => array ( $this, 'display_font_select' ), 
				'display_callback_args' => array ( 'logo_font' ), 
				'section'               => $section 
			), 
			array ( 
				'id'                    => 'menu_font', 
				'title'                 => __( 'Menu', 'amphtml' ), 
				'default'               => 'sans-serif', 
				'description'           => '', 
				'display_callback'      => array ( $this, 'display_font_select' ), 
				'display_callback_args' => array ( 'menu_font' ), 
				'section'               => $section 
			), 
			array ( 
				'id'                    => 'title_font', 
				'title'                 => __( 'Title', 'amphtml' ), 
				'default'               => 'sans-serif', 
				'description'           => '', 
				'display_callback'      => array ( $this, 'display_font_select' ), 
				'display_callback_args' => array ( 'title_font' ), 
				'section'               => $section 
			), 
			array ( 
				'id'                    => 'post_meta_font', 
				'title'                 => __( 'Post Meta', 'amphtml' ), 
				'default'               => 'sans-serif', 
				'description'           => '', 
				'display_callback'      => array ( $this, 'display_font_select' ), 
				'display_callback_args' => array ( 'post_meta_font' ), 
				'section'               => $section 
			), 
			array ( 
				'id'                    => 'content_font', 
				'title'                 => __( 'Content', 'amphtml' ), 
				'default'               => 'sans-serif', 
				'description'           => '', 
				'display_callback'      => array ( $this, 'display_font_select' ), 
				'display_callback_args' => array ( 'content_font' ), 
				'section'               => $section 
			), 
			array ( 
				'id'                    => 'footer_font', 
				'title'                 => __( 'Footer', 'amphtml' ), 
				'default'               => 'sans-serif', 
				'description'           => '', 
				'display_callback'      => array ( $this, 'display_font_select' ), 
				'display_callback_args' => array ( 'footer_font' ), 
				'section'               => $section 
			), 
		); 
	} 
 
	public function get_color_fields( $section ) { 
		$fields = array ( 
			array ( 
				'id'                    => 'header_color', 
				'title'                 => __( 'Header Background', 'amphtml' ), 
				'default'               => '#0087be', 
				'display_callback_args' => array ( 'id' => 'header_color' ), 
			), 
			array ( 
				'id'                    => 'footer_color', 
				'title'                 => __( 'Footer Background', 'amphtml' ), 
				'default'               => '#0087be', 
				'display_callback_args' => array ( 'id' => 'footer_color' ), 
			), 
			array ( 
				'id'                    => 'background_color', 
				'title'                 => __( 'Page Background', 'amphtml' ), 
				'default'               => '#FFFFFF', 
				'display_callback_args' => array ( 'id' => 'background_color' ), 
			), 
			array ( 
				'id'                    => 'sidebar_menu_color', 
				'title'                 => __( 'Sidebar Menu Background', 'amphtml' ), 
				'default'               => '#2e4453', 
				'display_callback_args' => array ( 'id' => 'sidebar_menu_color' ), 
			), 
			array ( 
				'id'                    => 'main_title_color', 
				'title'                 => __( 'Main Title', 'amphtml' ), 
				'default'               => '#2e4453', 
				'display_callback_args' => array ( 'id' => 'main_title_color' ), 
			), 
			array ( 
				'id'                    => 'link_color', 
				'title'                 => __( 'Link Text', 'amphtml' ), 
				'default'               => '#0087be', 
				'display_callback_args' => array ( 'id' => 'link_color' ), 
			), 
			array ( 
				'id'                    => 'link_hover', 
				'title'                 => __( 'Link Hover', 'amphtml' ), 
				'default'               => '#2e4453', 
				'display_callback_args' => array ( 'id' => 'link_hover' ), 
			), 
			array ( 
				'id'                    => 'main_text_color', 
				'title'                 => __( 'Main Text', 'amphtml' ), 
				'default'               => '#3d596d', 
				'display_callback_args' => array ( 'id' => 'main_text_color' ), 
			), 
			array ( 
				'id'                    => 'header_text_color', 
				'title'                 => __( 'Header Text', 'amphtml' ), 
				'default'               => '#FFFFFF', 
				'display_callback_args' => array ( 'id' => 'header_text_color' ), 
			), 
			array ( 
				'id'                    => 'footer_text_color', 
				'title'                 => __( 'Footer Text', 'amphtml' ), 
				'default'               => '#FFFFFF', 
				'display_callback_args' => array ( 'id' => 'footer_text_color' ), 
			), 
		); 
 
		// set common options 
		foreach ( $fields as &$field ) { 
			$field['display_callback']  = array ( $this, 'display_color_field' ); 
			$field['sanitize_callback'] = array ( $this, 'sanitize_color' ); 
			$field['section']           = $section; 
		} 
 
		$fields = apply_filters( 'amphtml_color_fields', $fields, $this, $section ); 
 
		return $fields; 
	} 
 
	public function get_header_fields( $section ) { 
		return array ( 
			array ( 
				'id'               => 'favicon', 
				'title'            => __( 'Favicon', 'amphtml' ), 
				'description'      => '', 
				'display_callback' => array ( $this, 'display_favicon' ), 
				'section'          => $section 
			), 
			array ( 
				'id'                    => 'header_menu', 
				'title'                 => __( 'Header Menu', 'amphtml' ), 
				'default'               => 1, 
				'description'           => __( 'Show header menu (<a href="' . add_query_arg( array ( 'action' => 'locations' ), admin_url( 'nav-menus.php' ) ) . '" target="_blank">set AMP menu</a>)', 'amphtml' ), 
				'display_callback'      => array ( $this, 'display_checkbox_field' ), 
				'display_callback_args' => array ( 'header_menu' ), 
				'section'               => $section 
			), 
			array ( 
				'id'               => 'header_menu_type', 
				'title'            => __( 'Header Menu Type', 'amphtml' ), 
				'default'          => 'accordion', 
				'description'      => '', 
				'display_callback' => array ( $this, 'display_header_menu_type' ), 
				'section'          => $section 
			), 
			array ( 
				'id'               => 'header_menu_button', 
				'title'            => __( 'Header Menu Button', 'amphtml' ), 
				'default'          => 'text', 
				'description'      => '', 
				'display_callback' => array ( $this, 'display_header_menu_button' ), 
				'section'          => $section 
			), 
			array ( 
				'id'               => 'logo_opt', 
				'title'            => __( 'Logo Type', 'amphtml' ), 
				'default'          => 'text_logo', 
				'description'      => '', 
				'display_callback' => array ( $this, 'display_logo_opt' ), 
				'section'          => $section 
			), 
			array ( 
				'id'                    => 'logo_text', 
				'title'                 => __( 'Logo Text', 'amphtml' ), 
				'default'               => get_bloginfo( 'name' ), 
				'display_callback'      => array ( $this, 'display_text_field' ), 
				'display_callback_args' => array ( 'logo_text' ), 
				'description'           => '', 
				'section'               => $section 
			), 
			array ( 
				'id'               => 'logo', 
				'title'            => __( 'Logo Icon', 'amphtml' ), 
				'description'      => '', 
				'display_callback' => array ( $this, 'display_logo' ), 
				'section'          => $section 
			), 
		); 
	} 
 
	public function get_footer_fields( $section ) { 
		return array ( 
			array ( 
				'id'                => 'footer_content', 
				'title'             => __( 'Footer Content', 'amphtml' ), 
				'default'           => '', 
				'section'           => $section, 
				'display_callback'  => array ( $this, 'display_footer_content' ), 
				'sanitize_callback' => array ( $this, 'sanitize_footer_content' ), 
				'description'       => __( 'This is the footer content block for all AMP pages. <br>' . 'Leave empty to hide footer at all. <br>' . 'Plain html without inline styles allowed. ' . '(<a href="https://github.com/ampproject/amphtml/blob/master/spec/amp-tag-addendum.md#html5-tag-whitelist" target="_blank">HTML5 Tag Whitelist</a>)', 'amphtml' ), 
			), 
			array ( 
				'id'                    => 'footer_scrolltop', 
				'title'                 => __( 'Scroll to Top Button', 'amphtml' ), 
				'default'               => __( 'Back to top', 'amphtml' ), 
				'section'               => $section, 
				'display_callback'      => array ( $this, 'display_text_field' ), 
				'display_callback_args' => array ( 'footer_scrolltop' ), 
				'description'           => __( 'Leave empty to hide this button.', 'amphtml' ), 
			), 
		); 
	} 
 
	public function get_post_meta_data_fields( $section ) { 
		return array ( 
			array ( 
				'id'                    => 'post_meta_author', 
				'title'                 => __( 'Author', 'amphtml' ), 
				'default'               => 1, 
				'display_callback'      => array ( $this, 'display_checkbox_field' ), 
				'display_callback_args' => array ( 'post_meta_author' ), 
				'section'               => $section, 
				'description'           => __( 'Show post author', 'amphtml' ), 
			), 
			array ( 
				'id'                    => 'post_meta_categories', 
				'title'                 => __( 'Categories', 'amphtml' ), 
				'default'               => 1, 
				'display_callback'      => array ( $this, 'display_checkbox_field' ), 
				'display_callback_args' => array ( 'post_meta_categories' ), 
				'section'               => $section, 
				'description'           => __( 'Show post categories', 'amphtml' ), 
			), 
			array ( 
				'id'                    => 'post_meta_tags', 
				'title'                 => __( 'Tags', 'amphtml' ), 
				'default'               => 1, 
				'display_callback'      => array ( $this, 'display_checkbox_field' ), 
				'display_callback_args' => array ( 'post_meta_tags' ), 
				'section'               => $section, 
				'description'           => __( 'Show post tags', 'amphtml' ), 
			), 
			array ( 
				'id'               => 'post_meta_date_format', 
				'title'            => __( 'Date Format', 'amphtml' ), 
				'default'          => 'default', 
				'display_callback' => array ( $this, 'display_date_format' ), 
				'section'          => $section, 
				'description'      => '(<a href="https://codex.wordpress.org/Formatting_Date_and_Time#Examples">Examples of Date Format</a>)', 
			), 
			array ( 
				'id'               => 'post_meta_date_format_custom', 
				'title'            => '', 
				'display_callback' => array ( $this, 'display_date_format_custom' ), 
				'section'          => $section, 
				'description'      => '', 
			), 
		); 
	} 
 
	public function get_social_share_buttons_fields( $section ) { 
		return array ( 
			array ( 
				'id'                    => 'social_share_buttons', 
				'title'                 => __( 'Social Share Buttons', 'amphtml' ), 
				'default'               => array ( 'facebook', 'twitter', 'linkedin', 'gplus' ), 
				'display_callback'      => array ( $this, 'display_multiple_select' ), 
				'display_callback_args' => array ( 
					'id'             => 'social_share_buttons', 
					'select_options' => array ( 
						'facebook'  => __( 'Facebook', 'amphtml' ), 
						'twitter'   => __( 'Twitter', 'amphtml' ), 
						'linkedin'  => __( 'LinkedIn', 'amphtml' ), 
						'gplus'     => __( 'Google Plus', 'amphtml' ), 
						'pinterest' => __( 'Pinterest', 'amphtml' ), 
						'whatsapp'  => __( 'WhatsApp', 'amphtml' ), 
						'email'     => __( 'Email', 'amphtml' ), 
					) 
				), 
				'section'               => $section, 
			), 
			array ( 
				'id'                    => 'social_like_button', 
				'title'                 => __( 'Facebook Like', 'amphtml' ), 
				'default'               => 0, 
				'display_callback'      => array ( $this, 'display_checkbox_field' ), 
				'display_callback_args' => array ( 'social_like_button' ), 
				'section'               => $section, 
				'description'           => __( 'Show Facebook like button', 'amphtml' ), 
			), 
		); 
	} 
 
	public function get_extra_css_fields( $section ) { 
		return array ( 
			array ( 
				'id'                    => 'extra_css_amp', 
				'placeholder'           => __( 'Enter Your CSS Code', 'amphtml' ), 
				'title'                 => __( 'Extra CSS', 'amphtml' ), 
				'display_callback'      => array ( $this, 'display_textarea_field' ), 
				'display_callback_args' => array ( 'extra_css_amp' ), 
				'description'           => '', 
				'section'               => $section 
			) 
		); 
	} 
 
	public function display_date_format_custom() { 
		return ''; 
	} 
 
	/* 
	 * Color Section 
	 */ 
	public function sanitize_color( $color, $id = 'empty' ) { 
		// Validate Color 
		$background = trim( $color ); 
		$background = strip_tags( stripslashes( $background ) ); 
 
		// Check if is a valid hex color 
		if ( false === $this->options->check_header_color( $background ) ) { 
			add_settings_error( $this->options->get( $id, 'name' ), 'hc_error', __( 'Insert a valid color', 'amphtml' ), 'error' ); 
			$valid_field = $this->options->get( $id ); 
		} else { 
			$valid_field = $background; 
		} 
 
		return $valid_field; 
	} 
 
	/* 
	 *  Font Section 
	 */ 
	public function get_fonts_list() { 
		return array ( 
			'sans-serif', 
			'Work Sans', 
			'Alegreya', 
			'Fira Sans', 
			'Lora', 
			'Merriweather', 
			'Montserrat', 
			'Open Sans', 
			'Playfair Display', 
			'Roboto', 
			'Lato', 
			'Cardo', 
			'Arvo', 
		); 
	} 
 
	public function display_font_select( $args ) { 
		$id = current( $args ); 
		?> 
		<label for="<?php echo $id ?>"> 
			<select style="width: 28%" id="<?php echo $id ?>" name="<?php echo $this->options->get( $id, 'name' ) ?>"> 
				<?php foreach ( $this->get_fonts_list() as $title ): ?> 
					<?php $name = str_replace( ' ', '+', $title ) ?> 
					<option value="<?php echo $name ?>" <?php selected( $this->options->get( $id ), $name ) ?>> 
						<?php printf( __( '%s', 'amphtml' ), $title ); ?> 
					</option> 
				<?php endforeach; ?> 
			</select> 
		</label> 
		<?php 
	} 
 
	/* 
	 *  Header Section 
	 */ 
	public function display_header_menu_type() { 
		$select_args = array ( 
			'id'             => 'header_menu_type', 
			'select_options' => array ( 
				'accordion' => 'Accordion', 
				'sidebar'   => 'Sidebar', 
			) 
		); 
		$this->display_select( $select_args ); 
	} 
 
	public function display_header_menu_button() { 
		$select_args = array ( 
			'id'             => 'header_menu_button', 
			'select_options' => array ( 
				'text' => 'Text', 
				'icon' => 'Icon', 
			) 
		); 
		$this->display_select( $select_args ); 
	} 
 
	public function display_logo_opt() { 
		?> 
		<select style="width: 28%" id="logo_opt" name="<?php echo $this->options->get( 'logo_opt', 'name' ) ?>"> 
			<option value="icon_logo" <?php selected( $this->options->get( 'logo_opt' ), 'icon_logo' ) ?>> 
				<?php _e( 'Icon Logo', 'amphtml' ); ?> 
			</option> 
			<option value="text_logo" <?php selected( $this->options->get( 'logo_opt' ), 'text_logo' ) ?>> 
				<?php _e( 'Text Logo', 'amphtml' ); ?> 
			</option> 
			<option value="icon_an_text" <?php selected( $this->options->get( 'logo_opt' ), 'icon_an_text' ) ?>> 
				<?php _e( 'Icon and Text Logo', 'amphtml' ); ?> 
			</option> 
			<option value="image_logo" <?php selected( $this->options->get( 'logo_opt' ), 'image_logo' ) ?>> 
				<?php _e( 'Image Logo', 'amphtml' ); ?> 
			</option> 
		</select> 
		<?php 
	} 
 
	public function display_logo() { 
		$logo_url = $this->get_img_url_by_option( 'logo' ); 
		?> 
		<label for="upload_image"> 
			<p class="logo_preview hide_preview" <?php if ( ! $logo_url ): echo 'style="display:none"'; endif; ?>> 
				<img src="<?php echo esc_url( $logo_url ); ?>" alt="<?php _e( 'Site Logo', 'amphtml' ) ?>" 
				     style="width: auto; height: 100px"> 
			</p> 
			<input class="upload_image" type="hidden" name="<?php echo $this->options->get( 'logo', 'name' ) ?>" 
			       value="<?php echo esc_url( $logo_url ); ?>"/> 
			<input class="upload_image_button button" type="button" value="<?php _e( 'Upload Image', 'amphtml' ) ?>"/> 
			<input <?php if ( ! $logo_url ): echo 'style="display:none"'; endif; ?> 
				class="reset_image_button button" type="button" value="<?php _e( 'Reset Image', 'amphtml' ) ?>"/> 
			<p class="img_text_size_full" 
			   style="display:none"><?php _e( 'The image will have full size.', 'amphtml' ) ?></p> 
			<p class="img_text_size img_text_size_logo"><?php _e( 'The image will be resized to fit in a 32x32 box (but not cropped)', 'amphtml' ) ?></p> 
		</label> 
		<?php 
	} 
 
	public function display_favicon() { 
		$logo_url = $this->get_img_url_by_option( 'favicon' ); 
		?> 
		<label for="upload_image"> 
			<p class="logo_preview" <?php if ( ! $logo_url ): echo 'style="display:none"'; endif; ?>> 
				<img src="<?php echo esc_url( $logo_url ); ?>" alt="<?php _e( 'Site Favicon', 'amphtml' ) ?>" 
				     style="width: auto; height: 100px"> 
			</p> 
			<input class="upload_image" type="hidden" name="<?php echo $this->options->get( 'favicon', 'name' ) ?>" 
			       value="<?php echo esc_url( $logo_url ); ?>"/> 
			<input class="upload_image_button button" type="button" value="<?php _e( 'Upload Image', 'amphtml' ) ?>"/> 
			<input <?php if ( ! $logo_url ): echo 'style="display:none"'; endif; ?> 
				class="reset_image_button button" type="button" value="<?php _e( 'Reset Image', 'amphtml' ) ?>"/> 
			<p class="img_text_size_full_favicon"><?php _e( 'The image will have full size.', 'amphtml' ) ?></p> 
		</label> 
		<?php 
	} 
 
	/* 
	 * Footer Section 
	 */ 
	public function sanitize_footer_content( $footer_content ) { 
		$tags                       = wp_kses_allowed_html( 'post' ); 
		$tags['form']['action-xhr'] = true; 
 
		$not_allowed = array ( 
			'font', 
			'form', 
			'menu', 
			'nav' 
		); 
 
		foreach ( $tags as $key => $attr ) { 
			if ( in_array( $key, $not_allowed ) ) { 
				unset( $tags[ $key ] ); 
			} 
		} 
 
		$tags = apply_filters( 'wpamp_content_tags', $tags ); 
 
		return wp_kses( $footer_content, $tags ); 
	} 
 
	public function display_footer_content() { 
		?> 
		<textarea name="<?php echo $this->options->get( 'footer_content', 'name' ) ?>" rows="6" 
		          cols="60"><?php echo trim( $this->options->get( 'footer_content' ) ); ?></textarea> 
		<?php if ( $this->options->get( 'footer_content', 'description' ) ): ?> 
			<p class="description"><?php _e( $this->options->get( 'footer_content', 'description' ), 'amphtml' ) ?></p> 
		<?php endif; 
	} 
 
	public function display_date_format() { 
		?> 
		<fieldset> 
			<?php 
 
			$custom = true; 
 
			echo "	<label><input type='radio' name='" . $this->options->get( 'post_meta_date_format', 'name' ) . "' value='none'"; 
			if ( 'none' === $this->options->get( 'post_meta_date_format' ) ) { 
				echo " checked='checked'"; 
				$custom = false; 
			} 
			echo ' /></span> ' . __( 'None', 'amphtml' ) . "</label><br />
"; 
 
 
			echo "	<label><input type='radio' name='" . $this->options->get( 'post_meta_date_format', 'name' ) . "' value='relative'"; 
			if ( 'relative' === $this->options->get( 'post_meta_date_format' ) ) { 
				echo " checked='checked'"; 
				$custom = false; 
			} 
 
			echo ' /> <span class="date-time-text format-i18n">' . esc_html( sprintf( _x( '%s ago', '%s = human-readable time difference', 'amphtml' ), human_time_diff( get_the_date() ) ) ) . '</span> (' . __( 'Relative', 'amphtml' ) . ")</label><br />
"; 
 
 
			echo "	<label><input type='radio' name='" . $this->options->get( 'post_meta_date_format', 'name' ) . "' value='default'"; 
			if ( 'default' === $this->options->get( 'post_meta_date_format' ) ) { 
				echo " checked='checked'"; 
				$custom = false; 
			} 
			echo ' /> <span class="date-time-text format-i18n">' . date_i18n( get_option( 'date_format' ) ) . '</span> (' . __( 'Default system format', 'amphtml' ) . ")</label><br />
"; 
 
			$custom_value = strlen( get_option( 'amphtml_post_meta_date_format_custom' ) ) ? get_option( 'amphtml_post_meta_date_format_custom' ) : __( 'F j, Y', 'amphtml' ); 
 
			echo '<label><input type="radio" name="' . $this->options->get( 'post_meta_date_format', 'name' ) . '" id="date_format_custom_radio" value="custom"'; 
			checked( $custom ); 
			echo '/> <span class="date-time-text date-time-custom-text">' . __( 'Custom:', 'amphtml' ) . '</label>' . '<input type="text" name="amphtml_post_meta_date_format_custom" id="amphtml_date_format_custom" value="' . esc_attr( $custom_value ) . '" style="width:60px" /></span>' . '<span class="example">' . date_i18n( $custom_value ) . '</span>' . "<span class='spinner'></span>
"; 
			?> 
			<span 
				class="description"><?php _e( $this->options->get( 'post_meta_date_format', 'description' ), 'amphtml' ) ?></span> 
		</fieldset> 
		<?php 
	} 
 
	public function get_submit() { //todo replace with action 
		?> 
		<p class="submit"> 
			<input type="submit" name="submit" id="submit" class="button button-primary" 
			       value="<?php echo __( 'Save Changes', 'amphtml' ); ?>"> 
			<?php if ( 'colors' == $this->get_current_section() ): ?> 
				<input type="submit" name="reset" id="reset" class="button" 
				       value="<?php echo __( 'Default theme settings', 'amphtml' ); ?>" style="margin-left: 10px;"> 
			<?php endif; ?> 
		</p> 
		<?php 
	} 
 
	public function display_textarea_field( $args ) { 
		$id = current( $args ); 
		?> 
		<textarea name="<?php echo $this->options->get( 'extra_css_amp', 'name' ) ?>" id="amp_css_entry" 
		          style="width:100%;height:300px;" 
			<?php echo ( $this->options->get( $id, 'placeholder' ) ) ? 'placeholder="' . $this->options->get( $id, 'placeholder' ) . '"' : '' ?>><?php 
			echo esc_attr( $this->options->get( 'extra_css_amp' ) ); ?></textarea> 
		<p class="description"> 
			<strong><?php _e( 'Important', 'amphtml' ); ?>: </strong><span><?php _e( 'Do not use disallowed styles for avoiding AMP validation errors.', 'amphtml' ); ?> 
				<?php _e( 'Please see', 'amphtml' ); ?>: <a 
					href="https://www.ampproject.org/docs/guides/responsive/style_pages" target="_blank"> 
					<?php _e( 'Supported CSS', 'amphtml' ); ?></a>.</span> 
		</p> 
		<?php 
	} 
 
	public function remove_outdated_min_css( $options ) { 
		if ( isset( $_REQUEST['settings-updated'] ) && 'true' == $_REQUEST['settings-updated'] && $this->is_current() ) { 
			$styles   = array ( 'style', 'rtl-style' ); 
			$template = new AMPHTML_Template( $options ); 
			foreach ( $styles as $filename ) { 
				if ( $path = $template->get_minify_style_path( $filename ) ) { 
					unlink( $path ); 
				} 
				$template->generate_minified_css_file( $filename ); 
			} 
		} 
	} 
 
	public function get_section_callback( $id ) { 
		return array ( $this, 'section_callback' ); 
	} 
 
	public function section_callback( $page, $section ) { 
		global $wp_settings_fields; 
 
		$custom_fields = array ( 
			'logo_text', 
		); 
 
		if ( ! isset( $wp_settings_fields[ $page ][ $section ] ) ) { 
			return; 
		} 
		$row_id = 0; 
		foreach ( (array) $wp_settings_fields[ $page ][ $section ] as $field ) { 
			$class = ''; 
 
			if ( ! method_exists( $field['callback'][0], $field['callback'][1] ) ) { 
				continue; 
			} 
 
			if ( ! empty( $field['args']['class'] ) ) { 
				$class = ' class="' . esc_attr( $field['args']['class'] ) . '"'; 
			} 
 
			if ( in_array( $field['id'], $custom_fields ) ) { 
				echo "<tr{$class} style='display: none'>"; 
			} else { 
				echo "<tr data-name='{$field['id']}' id='pos_{$row_id}' {$class}>"; 
			} 
 
			if ( ! empty( $field['args']['label_for'] ) ) { 
				echo '<th scope="row"><label for="' . esc_attr( $field['args']['label_for'] ) . '">' . $field['title'] . '</label></th>'; 
			} else { 
				echo '<th scope="row">' . $field['title'] . '</th>'; 
			} 
 
			echo '<td>'; 
			call_user_func( $field['callback'], $field['args'] ); 
			echo '</td>'; 
			echo '</tr>'; 
			$row_id ++; 
		} 
	} 
 
} ?>