PHP get_feed_link函数代码示例

 /**
  * @ticket 25380
  */
 function test_pre_posts_per_page()
 {
     self::factory()->post->create_many(10);
     add_action('pre_get_posts', array($this, 'filter_posts_per_page'));
     $this->go_to(get_feed_link());
     $this->assertEquals(30, get_query_var('posts_per_page'));
 }

function cap_podcast_change_archive_title($title)
{
    if (is_post_type_archive('cap_podcast')) {
        $title = $title . '<div class="rss-feed"><a href="' . get_feed_link() . '?post_type=cap_podcast"><span class="dashicons dashicons-rss"></span> Subscribe to Podcast</a></div>';
    }
    return $title;
}

 public static function add_feed_links()
 {
     global $wpz_default_feed;
     $wpz_default_feed = get_feed_link();
     add_theme_support('automatic-feed-links');
     add_filter('feed_link', array(__CLASS__, 'custom_feed_links'), 1);
 }

/**
 * Retrieves default setting fields for theme options.
 * @since 1.6
 */
function ar2_theme_options_default_fields()
{
    global $ar2_image_sizes, $ar2_styles;
    $_defaults = array('theme_version' => array('type' => 'static', 'title' => __('Version', 'ar2'), 'section' => 'ar2_general_site_info', 'content' => '<strong>' . wp_get_theme()->get('Version') . '</strong>', 'description' => __('If you have recently upgraded Project AR2 to a new release, it is <span style="color: red">highly recommended</span> that you reset your theme options, clear your browser cache and restart your browser before proceeding.', 'ar2')), 'site_rss_feed' => array('type' => 'static', 'title' => __('RSS Feed', 'ar2'), 'section' => 'ar2_general_social', 'content' => '<code>' . get_feed_link('rss2') . '</code>', 'description' => __('Custom feed URLs are no longer allowed due to support for automatic feed links.', 'ar2')), 'social_twitter' => array('type' => 'input', 'title' => __('Twitter Username', 'ar2'), 'section' => 'ar2_general_social'), 'social_facebook' => array('type' => 'input', 'title' => __('Facebook Username', 'ar2'), 'section' => 'ar2_general_social'), 'social_flickr' => array('type' => 'input', 'title' => __('Flickr ID', 'ar2'), 'section' => 'ar2_general_social'), 'social_gplus' => array('type' => 'input', 'title' => __('Google+ ID', 'ar2'), 'section' => 'ar2_general_social'), 'social_youtube' => array('type' => 'input', 'title' => __('YouTube Channel ID', 'ar2'), 'section' => 'ar2_general_social'), 'footer_message' => array('type' => 'textarea_html', 'title' => __('Footer Message', 'ar2'), 'section' => 'ar2_general_footer', 'description' => __("Usually your website's copyright information would go here.<br /> It would be great if you could include a link to WordPress or the theme website. :)", 'ar2'), 'extras' => 'class="code"'), 'nodebased_show_excerpts' => array('type' => 'switch', 'title' => __('Show Excerpts', 'ar2'), 'section' => 'ar2_layout_excerpts'), 'excerpt_limit' => array('type' => 'input', 'title' => __('Excerpt Limit', 'ar2'), 'section' => 'ar2_layout_excerpts', 'extras' => 'style="width: 50px" maxlength="2"', 'description' => __('Excerpts will only be trimmed to the limit if no excerpt is specified for the respective post.', 'ar2')), 'archive_display' => array('type' => 'dropdown', 'title' => __('Display Type', 'ar2'), 'section' => 'ar2_layout_archive', 'options' => ar2_get_archive_display_types()), 'single_posts_display' => array('type' => 'custom', 'title' => __('Display in Single Posts', 'ar2'), 'section' => 'ar2_layout_single', 'callback' => 'ar2_render_single_form_field', 'setting' => 'ar2_theme_options[post_display]'), 'relative_dates' => array('type' => 'checkbox', 'title' => __('Display Relative Post Dates', 'ar2'), 'section' => 'ar2_layout_single', 'description' => __('Check this to display post dates relative to current time (eg. 2 days ago ).', 'ar2')), 'auto_thumbs' => array('type' => 'checkbox', 'title' => __('Auto Thumbnails', 'ar2'), 'section' => 'ar2_thumbnails_options', 'description' => __('Check this to allow the theme to automatically retrieve the first attached image from the post as featured image when no image is specified.', 'ar2')), 'layout' => array('type' => 'dropdown', 'title' => __('No of Columns', 'ar2'), 'section' => 'ar2_design_overall', 'options' => $ar2_styles->get_layouts()), 'import_theme_options' => array('type' => 'textarea', 'title' => __('Import Theme Options', 'ar2'), 'section' => 'ar2_tools_port', 'description' => __('Import your theme settings by pasting the exported code in the textbox above.', 'ar2'), 'extras' => 'class="code"'), 'export_theme_options' => array('type' => 'textarea', 'title' => __('Export Theme Options', 'ar2'), 'section' => 'ar2_tools_port', 'description' => __('You can save the code above into a text file and use it when you need to import them into another installation. Note that not all options (custom background, child theme settings, etc.) will be exported.', 'ar2'), 'extras' => 'class="code"', 'value' => json_encode(ar2_flush_theme_options())));
    foreach ($ar2_image_sizes as $id => $args) {
        $_defaults[$id] = array('type' => 'thumbnail-size', 'title' => $args['name'], 'setting' => 'ar2_theme_options[thumbnails][' . $id . ']', 'section' => 'ar2_thumbnails_sizes', 'width' => $args['w'], 'height' => $args['h'], 'd_width' => $args['dw'], 'd_height' => $args['dh']);
    }
    if (AR2_ALLOW_CUSTOM_STYLES) {
        $_defaults['style'] = array('type' => 'dropdown', 'title' => __('Custom Stylesheet', 'ar2'), 'section' => 'ar2_design_overall', 'options' => ar2_get_custom_css_files(), 'description' => sprintf(__('Stylesheets can be placed in %s.', 'ar2'), '<code>wp-content/themes/' . get_stylesheet() . '/css/styles/</code>'));
    }
    // Allow developers to add more fields
    $_defaults = apply_filters('ar2_theme_options_fields', $_defaults);
    // Process the fields
    $sections = ar2_theme_options_default_sections();
    $_default_args = array('title' => '', 'type' => 'static', 'section' => 'ar2_general_site_info', 'page' => 'ar2_general', 'content' => '', 'extras' => '');
    foreach ($_defaults as $id => &$args) {
        if (!isset($args['setting'])) {
            $args['setting'] = 'ar2_theme_options[' . $id . ']';
        }
        // Parse the ID for array keys (adapted from WP_Customize_Setting class).
        $args['_id_data']['keys'] = preg_split('/\\[/', str_replace(']', '', $args['setting']));
        $args['_id_data']['base'] = array_shift($args['_id_data']['keys']);
        if (isset($sections[$args['section']])) {
            $args['page'] = $sections[$args['section']]['page'];
        }
        $args = wp_parse_args($args, $_default_args);
    }
    return $_defaults;
}

 public function loadOptions()
 {
     global $wpdb, $shortname;
     $themeOptions = array();
     if (!empty($this->options)) {
         foreach ($this->options as $option) {
             if (isset($option["id"]) && $option["id"] != '' && $option["id"] != $shortname . '_code') {
                 $themeOptions[$option["id"]] = "";
             }
         }
         $themeKeys = '"';
         $themeKeys .= join('","', array_keys($themeOptions));
         $themeKeys .= '"';
         $optionValues = $wpdb->get_results('SELECT option_name, option_value FROM wp_options WHERE option_name IN (' . $themeKeys . ')');
         foreach ($optionValues as $optionValue) {
             $themeOptions[$optionValue->option_name] = $optionValue->option_value;
         }
         wp_reset_query();
         $wpdb->flush();
     }
     $themeOptions['feed'] = get_feed_link();
     $themeOptions['site_name'] = get_bloginfo('name');
     $themeOptions['site_link'] = esc_url(home_url('/'));
     return $themeOptions;
 }

/**
 * Clean up wp_head()
 *
 * Remove unnecessary <link>'s
 * Remove inline CSS and JS from WP emoji support
 * Remove inline CSS used by Recent Comments widget
 * Remove inline CSS used by posts with galleries
 * Remove self-closing tag and change ''s to "'s on rel_canonical()
 *
 * You can enable/disable this feature in functions.php (or lib/setup.php if you're using Sage):
 * add_theme_support('soil-clean-up');
 */
function head_cleanup()
{
    // Originally from http://wpengineer.com/1438/wordpress-header/
    remove_action('wp_head', 'feed_links_extra', 3);
    add_action('wp_head', 'ob_start', 1, 0);
    add_action('wp_head', function () {
        $pattern = '/.*' . preg_quote(esc_url(get_feed_link('comments_' . get_default_feed())), '/') . '.*[\\r\\n]+/';
        echo preg_replace($pattern, '', ob_get_clean());
    }, 3, 0);
    remove_action('wp_head', 'rsd_link');
    remove_action('wp_head', 'wlwmanifest_link');
    remove_action('wp_head', 'adjacent_posts_rel_link_wp_head', 10, 0);
    remove_action('wp_head', 'wp_generator');
    remove_action('wp_head', 'wp_shortlink_wp_head', 10, 0);
    remove_action('wp_head', 'print_emoji_detection_script', 7);
    remove_action('admin_print_scripts', 'print_emoji_detection_script');
    remove_action('wp_print_styles', 'print_emoji_styles');
    remove_action('admin_print_styles', 'print_emoji_styles');
    remove_action('wp_head', 'wp_oembed_add_discovery_links');
    remove_action('wp_head', 'wp_oembed_add_host_js');
    remove_action('wp_head', 'rest_output_link_wp_head', 10, 0);
    remove_filter('the_content_feed', 'wp_staticize_emoji');
    remove_filter('comment_text_rss', 'wp_staticize_emoji');
    remove_filter('wp_mail', 'wp_staticize_emoji_for_email');
    add_filter('use_default_gallery_style', '__return_false');
    global $wp_widget_factory;
    if (isset($wp_widget_factory->widgets['WP_Widget_Recent_Comments'])) {
        remove_action('wp_head', [$wp_widget_factory->widgets['WP_Widget_Recent_Comments'], 'recent_comments_style']);
    }
    if (!class_exists('WPSEO_Frontend')) {
        remove_action('wp_head', 'rel_canonical');
        add_action('wp_head', __NAMESPACE__ . '\\rel_canonical');
    }
}

 /**
  * Feed link variations.
  *
  * @since 150218 Refactoring cache clear/purge routines.
  *
  * @param string $type_prefix A feed type prefix; optional.
  *
  * @return array An array of all feed link variations.
  */
 public function feed_link_variations($type_prefix = '')
 {
     $variations = array();
     // Initialize.
     foreach ($this->feed_types as $_feed_type) {
         $variations[] = get_feed_link((string) $type_prefix . $_feed_type);
     }
     unset($_feed_type);
     // Housekeeping.
     return $variations;
 }

function ping_feevy()
{
    $url = "http://localhost:3000/ping/update";
    $data = "url=" . urlencode(get_feed_link('rss2'));
    $params = array('http' => array('method' => 'POST', 'content' => $data));
    $ctx = stream_context_create($params);
    $fp = @fopen($url, 'rb', false, $ctx);
    if (!$fp) {
        throw new Exception("Problem with {$url}, {$php_errormsg}");
    }
}

    public function wpHead()
    {
        ?>
        <link rel="alternate" type="application/atom+xml" title="<?php 
        echo esc_attr(get_bloginfo('name'));
        ?>
 Feed" href="<?php 
        echo esc_attr(get_feed_link('atom'));
        ?>
">
        <?php 
    }

function govsite_core_behaviour_wp_head()
{
    ?>
    <link rel="alternate" type="application/atom+xml" title="<?php 
    echo get_bloginfo('name');
    ?>
 Feed" href="<?php 
    echo esc_attr(get_feed_link('atom'));
    ?>
">
    <?php 
}

<!doctype html>
<html class="no-js" <?php language_attributes(); ?>>
<head>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1">

  <link rel="alternate" type="application/rss+xml" title="<?php echo get_bloginfo('name'); ?> Feed" href="<?php echo esc_url(get_feed_link()); ?>">

  <?php wp_head(); ?>
  <!--[if lt IE 9]>
    <script type="text/javascript" src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script>
    <script type="text/javascript" src="https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js"></script>
  <![endif]-->
  <!--[if lt IE 9]>
    <link rel="stylesheet" href="<?php bloginfo('template_url')?>/assets/css/ie8-style.css" type="text/css" />
  <![endif]-->
  <script src='https://www.google.com/recaptcha/api.js'></script>
</head>

 function test_main_feed()
 {
     self::factory()->post->create();
     // @test_404
     $types = array('rss2', 'rss', 'atom');
     foreach ($types as $type) {
         $this->go_to(get_feed_link($type));
         $this->assertQueryTrue('is_feed');
     }
 }

function jw_baiping($post_id)
{
    $baiduXML = 'weblogUpdates.extendedPing' . get_option('blogname') . ' ' . home_url() . ' ' . get_permalink($post_id) . ' ' . get_feed_link() . ' ';
    $wp_http_obj = new WP_Http();
    $return = $wp_http_obj->post('http://ping.baidu.com/ping/RPC2', array('body' => $baiduXML, 'headers' => array('Content-Type' => 'text/xml')));
    if (isset($return['body'])) {
        if (strstr($return['body'], '0')) {
            $noff_log = 'succeeded!';
        } else {
            $noff_log = 'failed!';
        }
    } else {
        $noff_log = 'failed!';
    }
}

/**
 * Display the links to the general feeds.
 *
 * @since 2.8.0
 *
 * @param array $args Optional arguments.
 */
function feed_links($args = array())
{
    if (!current_theme_supports('automatic-feed-links')) {
        return;
    }
    $defaults = array('separator' => _x('»', 'feed link'), 'feedtitle' => __('%1$s %2$s Feed'), 'comstitle' => __('%1$s %2$s Comments Feed'));
    $args = wp_parse_args($args, $defaults);
    /**
     * Filter whether to display the posts feed link.
     *
     * @since 4.4.0
     *
     * @param bool $show Whether to display the posts feed link. Default true.
     */
    if (apply_filters('feed_links_show_posts_feed', true)) {
        echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . esc_attr(sprintf($args['feedtitle'], get_bloginfo('name'), $args['separator'])) . '" href="' . esc_url(get_feed_link()) . "\" />\n";
    }
    /**
     * Filter whether to display the comments feed link.
     *
     * @since 4.4.0
     *
     * @param bool $show Whether to display the comments feed link. Default true.
     */
    if (apply_filters('feed_links_show_comments_feed', true)) {
        echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . esc_attr(sprintf($args['comstitle'], get_bloginfo('name'), $args['separator'])) . '" href="' . esc_url(get_feed_link('comments_' . get_default_feed())) . "\" />\n";
    }
}

 static function ajax_read_url()
 {
     return add_query_arg('p2ajax', 'true', get_feed_link('p2.ajax'));
 }