【Cocoon機能アップカスタマイズ集】PC・タブレットだけモバイルフッターを非表示にする方法

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/* ============================================================================
 * class        : NS_MobileFooterController
 * description  : 
 *         Cocoon 子テーマ用：モバイルフッター制御(PC／タブレット個別判定)
 * parameter    : none
 * ============================================================================
 *   rev. |   date     |   author       | description
 * -------+------------+----------------+--------------------------------------
 * @0v0.0 | 2025.11.11 |it-koubou.jax.jp| designed
 * ============================================================================
 */
class NS_MobileFooterController {

	public static function init() {
        add_action('customize_register', [__CLASS__, 'customize_register']);
        add_action('template_redirect', [__CLASS__, 'start_output_buffer']);
    }

    public static function customize_register($wp_customize) {
        $wp_customize->add_section('ns_mobile_footer_section', [
            'title'    => 'モバイルフッター制御',
            'priority' => 210,
        ]);

        $wp_customize->add_setting('ns_disable_mobile_footer_on_pc', [
            'default'           => false,
            'sanitize_callback' => 'wp_validate_boolean',
        ]);
        $wp_customize->add_control('ns_disable_mobile_footer_on_pc', [
            'label'    => 'PCでモバイルフッターを非表示にする',
            'section'  => 'ns_mobile_footer_section',
            'type'     => 'checkbox',
        ]);

        $wp_customize->add_setting('ns_disable_mobile_footer_on_tablet', [
            'default'           => false,
            'sanitize_callback' => 'wp_validate_boolean',
        ]);
        $wp_customize->add_control('ns_disable_mobile_footer_on_tablet', [
            'label'    => 'タブレットでも非表示にする',
            'section'  => 'ns_mobile_footer_section',
            'type'     => 'checkbox',
        ]);
    }

    public static function detect_device_type() {
        $ua = $_SERVER['HTTP_USER_AGENT'] ?? '';
        if (preg_match('/(iPhone|iPod|Android.*Mobile|Windows Phone)/i', $ua)) {
            return 'mobile';
        } elseif (preg_match('/(iPad|Tablet|Kindle|Silk|PlayBook|Android(?!.*Mobile))/i', $ua)) {
            return 'tablet';
        } else {
            return 'pc';
        }
    }

    public static function remove_footer($buffer) {
        $disable_pc     = (bool) get_theme_mod('ns_disable_mobile_footer_on_pc', false);
        $disable_tablet = (bool) get_theme_mod('ns_disable_mobile_footer_on_tablet', false);
        $device_type    = self::detect_device_type();

        $should_remove = ($disable_pc && $device_type === 'pc') ||
                         ($disable_tablet && $device_type === 'tablet');

        if ($should_remove) {
            $pattern = '/<ul[^>]*class=(["\'])(?:[^"\']*\s)?mobile-footer-menu-buttons(?:\s[^"\']*)?\1[\s\S]*?<\/ul>/i';
            $buffer = preg_replace($pattern, '', $buffer);
        }

        return $buffer;
    }

    public static function start_output_buffer() {
        ob_start([__CLASS__, 'remove_footer']);
    }
}
// 初期化
NS_MobileFooterController::init();