PHP has_site_icon函数代码示例

    /**
     * @return string Inline CSS
     * @since 0.0.1-dev
     */
    private function get_css()
    {
        if (has_post_thumbnail() && !post_password_required()) {
            $thumb = esc_url(get_the_post_thumbnail_url(null, 'push7ssb-sbz-thumbnail'));
        } elseif (has_site_icon()) {
            $thumb = esc_url(get_site_icon_url());
        } else {
            $thumb = '';
        }
        return <<<EOI
.push7-sb-sbz-with-thumb {
\tbackground-image: url({$thumb});
}
.push7-sb-sbz-with-thumb-subscribe {
\tbackground-color: rgba(43,43,43, 0.7);
\tcolor: #ffffff;
}
@media only screen and (min-width : 415px) {
\t.push7-sb-sbz-with-thumb-thumbnail {
\t\tbackground-image: url({$thumb});
\t}
\t.push7-sb-sbz-with-thumb-subscribe {
\t\tbackground-color: rgba(43,43,43, 1);
\t}
}
EOI;
    }

/**
 * Add custom favicon
 *
 * @since 1.0
 */
function cruxstore_add_site_icon()
{
    if (!function_exists('has_site_icon') || !has_site_icon()) {
        $custom_favicon = cruxstore_option('custom_favicon');
        $custom_favicon_iphone = cruxstore_option('custom_favicon_iphone');
        $custom_favicon_iphone_retina = cruxstore_option('custom_favicon_iphone_retina');
        $custom_favicon_ipad = cruxstore_option('custom_favicon_ipad');
        $custom_favicon_ipad_retina = cruxstore_option('custom_favicon_ipad_retina');
        if ($custom_favicon['url']) {
            printf('<link rel="shortcut icon" href="%s"/>', esc_url($custom_favicon['url']));
        }
        if ($custom_favicon_iphone['url']) {
            printf('<link rel="apple-touch-icon" href="%s"/>', esc_url($custom_favicon_iphone['url']));
        }
        if ($custom_favicon_ipad['url']) {
            printf('<link rel="apple-touch-icon" sizes="72x72" href="%s"/>', esc_url($custom_favicon_ipad['url']));
        }
        if ($custom_favicon_iphone_retina['url']) {
            printf('<link rel="apple-touch-icon" sizes="114x114" href="%s"/>', esc_url($custom_favicon_iphone_retina['url']));
        }
        if ($custom_favicon_ipad_retina['url']) {
            printf('<link rel="apple-touch-icon" sizes="144x144" href="%s"/>', esc_url($custom_favicon_ipad_retina['url']));
        }
    }
}

 /**
  * Register our actions and filters
  * @return null
  */
 public function register_hooks()
 {
     add_action('jetpack_modules_loaded', array($this, 'jetpack_modules_loaded'));
     add_action('admin_menu', array($this, 'admin_menu_upload_site_icon'));
     add_filter('display_media_states', array($this, 'add_media_state'));
     add_action('admin_init', array($this, 'admin_init'));
     add_action('admin_init', array($this, 'delete_site_icon_hook'));
     add_action('admin_print_styles-options-general.php', array($this, 'add_general_options_styles'));
     // Add the favicon to the front end and backend if Core's site icon not used.
     /**
      * As of WP 4.3 and JP 3.6, both are outputting the same icons so no need to fire these.
      * This is a temporary solution until Jetpack's module primary function is deprecated.
      * In the future, Jetpack's can output other sizes using Core's icon.
      */
     if (function_exists('has_site_icon') && !has_site_icon() || !function_exists('has_site_icon')) {
         add_action('wp_head', array($this, 'site_icon_add_meta'));
         add_action('admin_head', array($this, 'site_icon_add_meta'));
         add_action('atom_head', array($this, 'atom_icon'));
         add_action('rss2_head', array($this, 'rss2_icon'));
     }
     // Check if site icon is available in core, and if so convert Jetpack's to use it.
     add_action('admin_init', array('Jetpack', 'jetpack_site_icon_available_in_core'));
     add_action('delete_option', array('Jetpack_Site_Icon', 'delete_temp_data'), 10, 1);
     // used to clean up after itself.
     add_action('delete_attachment', array('Jetpack_Site_Icon', 'delete_attachment_data'), 10, 1);
     // in case user deletes the attachment via
     add_filter('get_post_metadata', array('Jetpack_Site_Icon', 'delete_attachment_images'), 10, 4);
 }

 function __construct()
 {
     $this->options = array('custom_css_enable' => array('name' => 'custom_css_enable', 'title' => __('Custom CSS', "news-magazine"), 'type' => 'checkbox_open', 'show' => array("custom_css_text"), 'hide' => array(), 'description' => __('Custom CSS will change the visual style of the website. The CSS code in this box is being applied to any page or post.', "news-magazine"), 'section' => 'general_main', 'tab' => 'general', 'default' => true, 'customizer' => array()), 'custom_css_text' => array('name' => 'custom_css_text', 'title' => '', 'type' => 'textarea', "sanitize_type" => "css", 'valid_options' => '', 'description' => __('Custom CSS code.', "news-magazine"), 'section' => 'general_main', 'tab' => 'general', 'default' => '', 'customizer' => array()), 'latest_posts_enable' => array('name' => 'latest_posts_enable', 'title' => __('Latest posts', "news-magazine"), 'type' => 'checkbox_open', 'show' => array("latest_posts_text", "latest_posts_count", "latest_post_categories"), 'hide' => array(), 'description' => __('Latest posts.', "news-magazine"), 'section' => 'general_main', 'tab' => 'general', 'default' => true, 'customizer' => array()), 'latest_posts_text' => array('name' => 'latest_posts_text', 'title' => '', 'type' => 'text', "sanitize_type" => "sanitize_text_field", 'valid_options' => '', 'description' => __('Latest posts text.', "news-magazine"), 'section' => 'general_main', 'tab' => 'general', 'default' => 'Latest:', 'customizer' => array()), 'latest_posts_count' => array('name' => 'latest_posts_count', 'title' => '', 'type' => 'text', "sanitize_type" => "sanitize_text_field", 'inpus_size' => 2, 'valid_options' => '', 'description' => __('Latest posts count.', "news-magazine"), 'section' => 'general_main', 'tab' => 'general', 'default' => get_option('posts_per_page'), 'customizer' => array()), "latest_post_categories" => array("name" => "latest_post_categories", "title" => "", 'type' => 'select', 'multiple' => "true", "valid_options" => $this->get_all_categories(), "description" => __("Show posts only from these categories.", "news-magazine"), 'section' => 'general_main', 'tab' => 'general', 'default' => array(''), 'customizer' => array()), 'logo_type' => array("name" => "logo_type", "title" => __("Logo type", "news-magazine"), 'type' => 'radio_open', "description" => "", 'valid_options' => array('none' => __("None", "news-magazine"), 'image' => __("Image", "news-magazine"), 'text' => __("Text", "news-magazine")), 'show' => array('image' => 'logo_img'), 'hide' => array(), 'section' => 'general_main', 'tab' => 'general', 'default' => 'image', 'customizer' => array()), 'logo_img' => array('name' => 'logo_img', 'title' => __('Logo', "news-magazine"), "sanitize_type" => "esc_url_raw", 'type' => 'upload_single', 'description' => __('Upload custom logo image.', "news-magazine"), 'section' => 'general_main', 'tab' => 'general', 'default' => WDWT_IMG . 'logo1.png', 'customizer' => array()), 'show_desc' => array('name' => 'show_desc', 'title' => __('Show description', "news-magazine"), 'type' => 'checkbox', 'description' => __('Check the box to show site description.', "news-magazine"), 'section' => 'general_main', 'tab' => 'general', 'default' => true, 'customizer' => array()), 'blog_style' => array('name' => 'blog_style', 'title' => __('Blog Style post format', "news-magazine"), 'type' => 'checkbox', 'description' => __('Check the box to have short previews for the homepage/index posts.', "news-magazine"), 'section' => 'general_main', 'tab' => 'general', 'default' => true, 'customizer' => array()), 'grab_image' => array('name' => 'grab_image', 'title' => __('Grab the first post image', "news-magazine"), 'type' => 'checkbox', 'description' => __('Enable this option if you want to use the images that are already in your post to create a thumbnail without using custom fields. In this case thumbnail images will be generated automatically using the first image of the post. Note that the image needs to be hosted on your own server.', "news-magazine"), 'section' => 'general_main', 'tab' => 'general', 'default' => true, 'customizer' => array()), 'date_enable' => array("name" => "date_enable", "title" => __("Display post meta information", "news-magazine"), 'type' => 'checkbox', "description" => __("Choose whether to display the post meta information such as date, author and etc.", "news-magazine"), 'section' => 'general_main', 'tab' => 'general', 'default' => true, 'customizer' => array()), 'footer_text_enable' => array("name" => "footer_text_enable", "title" => __("Information in the Footer", "news-magazine"), 'type' => 'checkbox_open', 'show' => array("footer_text"), 'hide' => array(), "description" => __("Check the box to display custom HTML for the footer.", "news-magazine"), 'section' => 'general_main', 'tab' => 'general', 'default' => true, 'customizer' => array()), 'footer_text' => array("name" => "footer_text", "title" => __("Information in the Footer", "news-magazine"), 'type' => 'textarea', "sanitize_type" => "sanitize_footer_html_field", "description" => __("Here you can provide the HTML code to be inserted in the footer of your web site.", "news-magazine"), 'section' => 'general_main', 'tab' => 'general', 'default' => '<span id="copyright">WordPress Themes by <a href="' . WDWT_HOMEPAGE . '"  target="_blank" title="Web-Dorado">Web-Dorado</a></span>', 'customizer' => array()), 'show_facebook_icon' => array("name" => "show_facebook_icon", "title" => __("Show Facebook Icon", "news-magazine"), 'type' => 'checkbox_open', 'show' => array("facebook_url"), 'hide' => array(), "description" => __("Check the box to display Facebook icon.", "news-magazine"), 'section' => 'general_links', 'tab' => 'general', 'default' => true, 'customizer' => array()), 'facebook_url' => array("name" => "facebook_url", "title" => "", 'type' => 'text', "sanitize_type" => "esc_url_raw", "description" => __("Enter your Facebook Profile URL below.", "news-magazine"), 'section' => 'general_links', 'tab' => 'general', 'default' => '#', 'customizer' => array()), 'show_twitter_icon' => array("name" => "show_twitter_icon", "title" => __("Show Twitter Icon", "news-magazine"), 'type' => 'checkbox_open', 'show' => array("twitter_url"), 'hide' => array(), "description" => __("Check the box to display Twitter icon.", "news-magazine"), 'section' => 'general_links', 'tab' => 'general', 'default' => true, 'customizer' => array()), 'twitter_url' => array("name" => "twitter_url", "title" => "", 'type' => 'text', "sanitize_type" => "esc_url_raw", "description" => __("Enter your Twitter Profile URL below.", "news-magazine"), 'section' => 'general_links', 'tab' => 'general', 'default' => '#', 'customizer' => array()), 'show_google_icon' => array("name" => "show_google_icon", "title" => __("Show Google+ Icon", "news-magazine"), 'type' => 'checkbox_open', 'show' => array("google_url"), 'hide' => array(), "description" => __("Check the box to display Google + icon.", "news-magazine"), 'section' => 'general_links', 'tab' => 'general', 'default' => true, 'customizer' => array()), 'google_url' => array("name" => "google_url", "title" => "", 'type' => 'text', "sanitize_type" => "esc_url_raw", "description" => __("Enter your Google+ Profile URL below.", "news-magazine"), 'section' => 'general_links', 'tab' => 'general', 'default' => '#', 'customizer' => array()), 'show_rss_icon' => array("name" => "show_rss_icon", "title" => __("Show RSS Icon", "news-magazine"), 'type' => 'checkbox_open', 'show' => array("rss_url"), 'hide' => array(), "description" => __("Check the box to display RSS feed icon.", "news-magazine"), 'section' => 'general_links', 'tab' => 'general', 'default' => true, 'customizer' => array()), 'rss_url' => array("name" => "rss_url", "title" => "", 'type' => 'text', "sanitize_type" => "esc_url_raw", "description" => __("Enter your RSS URL below.", "news-magazine"), 'section' => 'general_links', 'tab' => 'general', 'default' => '#', 'customizer' => array()), 'show_instagram_icon' => array("name" => "show_instagram_icon", "title" => __("Show instagram Icon", "news-magazine"), 'type' => 'checkbox_open', 'show' => array("instagram_url"), 'hide' => array(), "description" => __("Check the box to display Instagram icon.", "news-magazine"), 'section' => 'general_links', 'tab' => 'general', 'default' => true, 'customizer' => array()), 'instagram_url' => array("name" => "instagram_url", "title" => "", 'type' => 'text', "sanitize_type" => "esc_url_raw", "description" => __("Enter your Instagram Profile URL below.", "news-magazine"), 'section' => 'general_links', 'tab' => 'general', 'default' => '#', 'customizer' => array()), 'show_linkedin_icon' => array("name" => "show_linkedin_icon", "title" => __("Show linkedin Icon", "news-magazine"), 'type' => 'checkbox_open', 'show' => array("linkedin_url"), 'hide' => array(), "description" => __("Check the box to display LinkedIn icon.", "news-magazine"), 'section' => 'general_links', 'tab' => 'general', 'default' => true, 'customizer' => array()), 'linkedin_url' => array("name" => "linkedin_url", "title" => "", 'type' => 'text', "sanitize_type" => "esc_url_raw", "description" => __("Enter your LinkedIn Profile URL below.", "news-magazine"), 'section' => 'general_links', 'tab' => 'general', 'default' => '#', 'customizer' => array()), 'show_pinterest_icon' => array("name" => "show_pinterest_icon", "title" => __("Show pinterest Icon", "news-magazine"), 'type' => 'checkbox_open', 'show' => array("pinterest_url"), 'hide' => array(), "description" => __("Check the box to display Pinterest icon.", "news-magazine"), 'section' => 'general_links', 'tab' => 'general', 'default' => true, 'customizer' => array()), 'pinterest_url' => array("name" => "pinterest_url", "title" => "", 'type' => 'text', "sanitize_type" => "esc_url_raw", "description" => __("Enter your Pinterest Profile URL below.", "news-magazine"), 'section' => 'general_links', 'tab' => 'general', 'default' => '#', 'customizer' => array()), 'show_youtube_icon' => array("name" => "show_youtube_icon", "title" => __("Show youtube Icon", "news-magazine"), 'type' => 'checkbox_open', 'show' => array("youtube_url"), 'hide' => array(), "description" => __("Check the box to display Youtube icon.", "news-magazine"), 'section' => 'general_links', 'tab' => 'general', 'default' => true, 'customizer' => array()), 'youtube_url' => array("name" => "youtube_url", "title" => "", 'type' => 'text', "sanitize_type" => "esc_url_raw", "description" => __("Enter your Youtube profile URL below.", "news-magazine"), 'section' => 'general_links', 'tab' => 'general', 'default' => '#', 'customizer' => array()));
     if (!function_exists('has_site_icon') || !has_site_icon()) {
         $this->options['favicon_enable'] = array('name' => 'favicon_enable', 'title' => __('Show Favicon', "news-magazine"), 'type' => 'checkbox_open', 'show' => array("favicon_img"), 'hide' => array(), 'description' => __('Check the box to display the favicon.', "news-magazine"), 'section' => 'general_main', 'tab' => 'general', 'default' => false, 'customizer' => array());
         $this->options['favicon_img'] = array('name' => 'favicon_img', 'title' => '', 'type' => 'upload_single', "sanitize_type" => "esc_url_raw", 'valid_options' => '', 'description' => __('Click on the Upload Image button to upload the favicon image.', "news-magazine"), 'section' => 'general_main', 'tab' => 'general', 'default' => WDWT_IMG . 'favico.ico', 'customizer' => array());
     }
 }

 /**
  * @group site_icon
  * @group multisite
  */
 function test_has_site_icon_returns_false_when_called_for_other_site_without_site_icon_set()
 {
     if (!is_multisite()) {
         $this->markTestSkipped('This test requires multisite.');
     }
     $blog_id = $this->factory->blog->create();
     $this->assertFalse(has_site_icon($blog_id));
 }

 /**
  * @group site_icon
  */
 function test_has_site_icon()
 {
     $this->assertFalse(has_site_icon());
     $this->_set_site_icon();
     $this->assertTrue(has_site_icon());
     $this->_remove_site_icon();
     $this->assertFalse(has_site_icon());
 }

/**
 * Echo head favicon if no icon was added via the customizer.
 *
 * @since 1.0.0
 */
function beans_favicon()
{
    // Stop here if and icon was added via the customizer.
    if (function_exists('has_site_icon') && has_site_icon()) {
        return;
    }
    $url = file_exists(get_stylesheet_directory() . '/favicon.ico') ? get_stylesheet_directory_uri() . '/favicon.ico' : BEANS_URL . 'favicon.ico';
    beans_selfclose_markup_e('beans_favicon', 'link', array('rel' => 'Shortcut Icon', 'href' => $url, 'type' => 'image/x-icon'));
}

function load_new_favicons()
{
    // Use WP site icon, if available
    if (function_exists('has_site_icon') && has_site_icon()) {
        return;
    }
    $output = '<link rel="favicon" sizes="57x57" href="/content/themes/foodgroup-child/images/favicons/favicon.ico"><link rel="apple-touch-icon" sizes="57x57" href="/content/themes/foodgroup-child/images/favicons/apple-touch-icon-57x57.png"><link rel="apple-touch-icon" sizes="60x60" href="/content/themes/foodgroup-child/images/favicons/apple-touch-icon-60x60.png"><link rel="apple-touch-icon" sizes="72x72" href="/content/themes/foodgroup-child/images/favicons/apple-touch-icon-72x72.png"><link rel="apple-touch-icon" sizes="76x76" href="/content/themes/foodgroup-child/images/favicons/apple-touch-icon-76x76.png"><link rel="apple-touch-icon" sizes="114x114" href="/content/themes/foodgroup-child/images/favicons/apple-touch-icon-114x114.png"><link rel="apple-touch-icon" sizes="120x120" href="/content/themes/foodgroup-child/images/favicons/apple-touch-icon-120x120.png"><link rel="apple-touch-icon" sizes="144x144" href="/content/themes/foodgroup-child/images/favicons/apple-touch-icon-144x144.png"><link rel="apple-touch-icon" sizes="152x152" href="/content/themes/foodgroup-child/images/favicons/apple-touch-icon-152x152.png"><link rel="apple-touch-icon" sizes="180x180" href="/content/themes/foodgroup-child/images/favicons/apple-touch-icon-180x180.png"><link rel="icon" type="image/png" href="/content/themes/foodgroup-child/images/favicons/favicon-32x32.png" sizes="32x32"><link rel="icon" type="image/png" href="/content/themes/foodgroup-child/images/favicons/favicon-194x194.png" sizes="194x194"><link rel="icon" type="image/png" href="/content/themes/foodgroup-child/images/favicons/favicon-96x96.png" sizes="96x96"><link rel="icon" type="image/png" href="/content/themes/foodgroup-child/images/favicons/android-chrome-192x192.png" sizes="192x192"><link rel="icon" type="image/png" href="/content/themes/foodgroup-child/images/favicons/favicon-16x16.png" sizes="16x16"><link rel="manifest" href="/content/themes/foodgroup-child/images/favicons/manifest.json"><link rel="mask-icon" href="/content/themes/foodgroup-child/images/favicons/safari-pinned-tab.svg" color="#ffffff"><meta name="apple-mobile-web-app-title" content="The Food Group"><meta name="application-name" content="The Food Group"><meta name="msapplication-TileColor" content="#ffffff"><meta name="msapplication-TileImage" content="/mstile-144x144.png"><meta name="theme-color" content="#ffffff">';
    echo $output;
}

/**
 * Echo head favicon if no icon was added via the customizer.
 *
 * @since 1.0.0
 */
function beans_favicon()
{
    // Stop here if and icon was added via the customizer.
    if (function_exists('has_site_icon') && has_site_icon()) {
        return;
    }
    $path = file_exists(get_template_directory() . 'favicon.ico') ? get_template_directory() . 'favicon.ico' : BEANS_URL . 'favicon.ico';
    echo beans_selfclose_markup('beans_favicon', 'link', array('rel' => 'Shortcut Icon', 'href' => $path, 'type' => 'image/x-icon'));
}

 /**
  * Return true if no core site icon is present
  *
  * @since Catch Flames 2.7
  */
 function catchflames_is_site_icon_active($control)
 {
     //Check if has_site_icon function exists. If it does not, WP version is less than 4.3
     if (function_exists('has_site_icon')) {
         //Return true if core site icon is not present, else return false
         return !has_site_icon();
     } else {
         return true;
     }
 }

        function ci_favicon()
        {
            if (function_exists('has_site_icon') && has_site_icon()) {
                return;
            }
            if (ci_setting('favicon')) {
                ?>
<link rel="shortcut icon" type="image/x-icon" href="<?php 
                echo esc_attr(ci_setting('favicon'));
                ?>
" /><?php 
            }
        }

    /**
     * Generate favicon
     */
    function inspiry_generate_favicon()
    {
        if (!function_exists('has_site_icon') || !has_site_icon()) {
            global $inspiry_options;
            if (!empty($inspiry_options['inspiry_favicon']) && !empty($inspiry_options['inspiry_favicon']['url'])) {
                ?>
                <!-- favicon -->
                <link rel="shortcut icon" href="<?php 
                echo esc_url($inspiry_options['inspiry_favicon']['url']);
                ?>
"/>
                <?php 
            }
        }
    }

/**
 * Registers custom sections, settings, and controls for the $wp_customize instance.
 *
 * @since 0.3.2
 * @access private
 * @param object $wp_customize
 */
function omega_customize_logo_register($wp_customize)
{
    /* Add the footer section. */
    $wp_customize->add_section('title_tagline', array('title' => esc_html__('Branding', 'omega'), 'priority' => 1, 'capability' => 'edit_theme_options'));
    /* Add the 'custom_logo' setting. */
    $wp_customize->add_setting("custom_logo", array('default' => '', 'type' => 'theme_mod', 'capability' => 'edit_theme_options', 'sanitize_callback' => 'sanitize_text_field'));
    /* Add the textarea control for the 'custom_css' setting. */
    $wp_customize->add_control(new WP_Customize_Image_Control($wp_customize, 'custom_logo', array('label' => esc_html__('Logo', 'omega'), 'section' => 'title_tagline', 'settings' => "custom_logo")));
    if (!function_exists('has_site_icon') || !has_site_icon()) {
        /* Add the 'custom_favicon' setting. */
        $wp_customize->add_setting("custom_favicon", array('default' => '', 'type' => 'theme_mod', 'capability' => 'edit_theme_options', 'sanitize_callback' => 'sanitize_text_field'));
        /* Add the textarea control for the 'custom_css' setting. */
        $wp_customize->add_control(new WP_Customize_Image_Control($wp_customize, 'custom_favicon', array('label' => esc_html__('Favicon', 'omega'), 'section' => 'title_tagline', 'settings' => "custom_favicon")));
    }
}

 /**
  * Get thumbnail image url
  *
  * @param null|\WP_Post $_post Post data object.
  *
  * @return string
  */
 public static function get_thumbnail($_post = null)
 {
     $thumb = apply_filters(VA_SOCIALBUZZ_PREFIX . 'default_thumbnail', 'none');
     if (empty($_post)) {
         global $post;
         $_post = $post;
     }
     if (!empty($_post) && has_post_thumbnail($_post) && !post_password_required($_post)) {
         $thumb = get_the_post_thumbnail_url($_post, VA_SOCIALBUZZ_PREFIX . 'thumbnail');
     } elseif ('none' === $thumb && has_header_image()) {
         $thumb = get_header_image();
     } elseif ('none' === $thumb && has_site_icon()) {
         $thumb = get_site_icon_url();
     }
     return $thumb;
 }

 function wen_corporate_add_favicon_webclip()
 {
     if (function_exists('has_site_icon') && has_site_icon()) {
         return;
     }
     $site_favicon = wen_corporate_get_option('site_favicon');
     if (!empty($site_favicon)) {
         $wen_corporate_favicon = '<link rel="shortcut icon" href="' . esc_url($site_favicon) . '" type="image/x-icon" />';
         echo $wen_corporate_favicon;
     }
     $site_web_clip_icon = wen_corporate_get_option('site_web_clip_icon');
     if (!empty($site_web_clip_icon)) {
         $wen_corporate_web_clip_icon = '<link rel="apple-touch-icon-precomposed" href="' . esc_url($site_web_clip_icon) . '" />';
         echo $wen_corporate_web_clip_icon;
     }
 }