775 lines
23 KiB
PHP
775 lines
23 KiB
PHP
<?php
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/**
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* Comment template functions
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*
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* These functions are meant to live inside of the WordPress loop.
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*
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* @package WordPress
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* @subpackage Template
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*/
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/**
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* Retrieve the author of the current comment.
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*
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* If the comment has an empty comment_author field, then 'Anonymous' person is
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* assumed.
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*
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* @since 1.5
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* @uses apply_filters() Calls 'get_comment_author' hook on the comment author
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*
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* @return string The comment author
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*/
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function get_comment_author() {
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global $comment;
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if ( empty($comment->comment_author) )
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$author = __('Anonymous');
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else
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$author = $comment->comment_author;
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return apply_filters('get_comment_author', $author);
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}
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/**
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* Displays the author of the current comment.
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*
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* @since 0.71
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* @uses apply_filters() Calls 'comment_author' on comment author before displaying
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*/
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function comment_author() {
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$author = apply_filters('comment_author', get_comment_author() );
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echo $author;
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}
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/**
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* Retrieve the email of the author of the current comment.
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*
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* @since 1.5
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* @uses apply_filters() Calls the 'get_comment_author_email' hook on the comment author email
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* @uses $comment
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*
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* @return string The current comment author's email
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*/
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function get_comment_author_email() {
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global $comment;
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return apply_filters('get_comment_author_email', $comment->comment_author_email);
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}
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/**
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* Display the email of the author of the current global $comment.
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*
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* Care should be taken to protect the email address and assure that email
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* harvesters do not capture your commentors' email address. Most assume that
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* their email address will not appear in raw form on the blog. Doing so will
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* enable anyone, including those that people don't want to get the email
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* address and use it for their own means good and bad.
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*
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* @since 0.71
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* @uses apply_filters() Calls 'author_email' hook on the author email
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*/
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function comment_author_email() {
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echo apply_filters('author_email', get_comment_author_email() );
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}
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/**
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* Display the html email link to the author of the current comment.
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*
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* Care should be taken to protect the email address and assure that email
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* harvesters do not capture your commentors' email address. Most assume that
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* their email address will not appear in raw form on the blog. Doing so will
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* enable anyone, including those that people don't want to get the email
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* address and use it for their own means good and bad.
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*
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* @since 0.71
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* @uses apply_filters() Calls 'comment_email' hook for the display of the comment author's email
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* @global object $comment The current Comment row object
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*
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* @param string $linktext The text to display instead of the comment author's email address
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* @param string $before The text or HTML to display before the email link.
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* @param string $after The text or HTML to display after the email link.
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*/
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function comment_author_email_link($linktext='', $before='', $after='') {
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global $comment;
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$email = apply_filters('comment_email', $comment->comment_author_email);
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if ((!empty($email)) && ($email != '@')) {
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$display = ($linktext != '') ? $linktext : $email;
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echo $before;
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echo "<a href='mailto:$email'>$display</a>";
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echo $after;
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}
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}
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/**
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* Retrieve the html link to the url of the author of the current comment.
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*
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* @since 1.5
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* @uses apply_filters() Calls 'get_comment_author_link' hook on the complete link HTML or author
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*
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* @return string Comment Author name or HTML link for author's URL
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*/
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function get_comment_author_link() {
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/** @todo Only call these functions when they are needed. Include in if... else blocks */
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$url = get_comment_author_url();
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$author = get_comment_author();
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if ( empty( $url ) || 'http://' == $url )
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$return = $author;
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else
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$return = "<a href='$url' rel='external nofollow'>$author</a>";
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return apply_filters('get_comment_author_link', $return);
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}
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/**
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* Display the html link to the url of the author of the current comment.
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*
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* @since 0.71
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* @see get_comment_author_link() Echos result
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*/
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function comment_author_link() {
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echo get_comment_author_link();
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}
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/**
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* Retrieve the IP address of the author of the current comment.
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*
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* @since 1.5
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* @uses $comment
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* @uses apply_filters()
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*
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* @return unknown
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*/
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function get_comment_author_IP() {
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global $comment;
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return apply_filters('get_comment_author_IP', $comment->comment_author_IP);
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}
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/**
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* Display the IP address of the author of the current comment.
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*
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* @since 0.71
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* @see get_comment_author_IP() Echos Result
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*/
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function comment_author_IP() {
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echo get_comment_author_IP();
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}
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/**
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* Retrieve the url of the author of the current comment.
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*
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* @since 1.5
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* @uses apply_filters() Calls 'get_comment_author_url' hook on the comment author's URL
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*
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* @return string
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*/
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function get_comment_author_url() {
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global $comment;
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return apply_filters('get_comment_author_url', $comment->comment_author_url);
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}
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/**
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* Display the url of the author of the current comment.
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*
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* @since 0.71
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* @uses apply_filters()
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* @uses get_comment_author_url() Retrieves the comment author's URL
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*/
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function comment_author_url() {
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echo apply_filters('comment_url', get_comment_author_url());
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}
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/**
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* Retrieves the HTML link of the url of the author of the current comment.
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*
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* $linktext parameter is only used if the URL does not exist for the comment
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* author. If the URL does exist then the URL will be used and the $linktext
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* will be ignored.
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*
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* Encapsulate the HTML link between the $before and $after. So it will appear
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* in the order of $before, link, and finally $after.
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*
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* @since 1.5
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* @uses apply_filters() Calls the 'get_comment_author_url_link' on the complete HTML before returning.
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*
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* @param string $linktext The text to display instead of the comment author's email address
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* @param string $before The text or HTML to display before the email link.
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* @param string $after The text or HTML to display after the email link.
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* @return string The HTML link between the $before and $after parameters
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*/
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function get_comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
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$url = get_comment_author_url();
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$display = ($linktext != '') ? $linktext : $url;
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$display = str_replace( 'http://www.', '', $display );
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$display = str_replace( 'http://', '', $display );
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if ( '/' == substr($display, -1) )
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$display = substr($display, 0, -1);
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$return = "$before<a href='$url' rel='external'>$display</a>$after";
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return apply_filters('get_comment_author_url_link', $return);
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}
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/**
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* Displays the HTML link of the url of the author of the current comment.
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*
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* @since 0.71
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* @see get_comment_author_url_link() Echos result
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*
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* @param string $linktext The text to display instead of the comment author's email address
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* @param string $before The text or HTML to display before the email link.
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* @param string $after The text or HTML to display after the email link.
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*/
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function comment_author_url_link( $linktext = '', $before = '', $after = '' ) {
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echo get_comment_author_url_link( $linktext, $before, $after );
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}
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/**
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* Retrieve the comment date of the current comment.
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*
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* @since 1.5
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* @uses apply_filters() Calls 'get_comment_date' hook with the formated date and the $d parameter respectively
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* @uses $comment
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*
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* @param string $d The format of the date (defaults to user's config)
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* @return string The comment's date
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*/
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function get_comment_date( $d = '' ) {
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global $comment;
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if ( '' == $d )
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$date = mysql2date( get_option('date_format'), $comment->comment_date);
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else
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$date = mysql2date($d, $comment->comment_date);
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return apply_filters('get_comment_date', $date, $d);
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}
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/**
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* Display the comment date of the current comment.
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*
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* @since 0.71
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*
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* @param string $d The format of the date (defaults to user's config)
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*/
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function comment_date( $d = '' ) {
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echo get_comment_date( $d );
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}
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/**
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* Retrieve the excerpt of the current comment.
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*
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* Will cut each word and only output the first 20 words with '...' at the end.
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* If the word count is less than 20, then no truncating is done and no '...'
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* will appear.
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*
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* @since 1.5
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* @uses $comment
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* @uses apply_filters() Calls 'get_comment_excerpt' on truncated comment
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*
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* @return string The maybe truncated comment with 20 words or less
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*/
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function get_comment_excerpt() {
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global $comment;
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$comment_text = strip_tags($comment->comment_content);
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$blah = explode(' ', $comment_text);
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if (count($blah) > 20) {
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$k = 20;
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$use_dotdotdot = 1;
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} else {
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$k = count($blah);
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$use_dotdotdot = 0;
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}
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$excerpt = '';
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for ($i=0; $i<$k; $i++) {
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$excerpt .= $blah[$i] . ' ';
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}
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$excerpt .= ($use_dotdotdot) ? '...' : '';
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return apply_filters('get_comment_excerpt', $excerpt);
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}
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/**
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* Display the excerpt of the current comment.
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*
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* @since 1.2
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* @uses apply_filters() Calls 'comment_excerpt' hook before displaying excerpt
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*/
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function comment_excerpt() {
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echo apply_filters('comment_excerpt', get_comment_excerpt() );
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}
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/**
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* Retrieve the comment id of the current comment.
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*
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* @since 1.5
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* @uses $comment
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* @uses apply_filters() Calls the 'get_comment_ID' hook for the comment ID
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*
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* @return int The comment ID
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*/
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function get_comment_ID() {
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global $comment;
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return apply_filters('get_comment_ID', $comment->comment_ID);
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}
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/**
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* Displays the comment id of the current comment.
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*
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* @since 0.71
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* @see get_comment_ID() Echos Result
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*/
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function comment_ID() {
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echo get_comment_ID();
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}
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/**
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* Retrieve the link to the current comment.
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*
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* @since 1.5
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* @uses $comment
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*
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* @return string The permalink to the current comment
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*/
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function get_comment_link() {
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global $comment;
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return get_permalink( $comment->comment_post_ID ) . '#comment-' . $comment->comment_ID;
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}
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/**
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* Retrieves the link to the current post comments.
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*
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* @since 1.5
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*
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* @return string The link to the comments
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*/
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function get_comments_link() {
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return get_permalink() . '#comments';
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}
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/**
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* Displays the link to the current post comments.
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*
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* @since 0.71
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*
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* @param string $deprecated Not Used
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* @param bool $deprecated Not Used
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*/
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function comments_link( $deprecated = '', $deprecated = '' ) {
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echo get_comments_link();
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}
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/**
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* Retrieve the amount of comments a post has.
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*
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* @since 1.5
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* @uses apply_filters() Calls the 'get_comments_number' hook on the number of comments
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*
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* @param int $post_id The Post ID
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* @return int The number of comments a post has
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*/
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function get_comments_number( $post_id = 0 ) {
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global $id;
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$post_id = (int) $post_id;
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if ( !$post_id )
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$post_id = (int) $id;
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$post = get_post($post_id);
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if ( ! isset($post->comment_count) )
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$count = 0;
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else
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$count = $post->comment_count;
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return apply_filters('get_comments_number', $count);
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}
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/**
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* Display the language string for the number of comments the current post has.
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*
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* @since 0.71
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* @uses $id
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* @uses apply_filters() Calls the 'comments_number' hook on the output and number of comments respectively.
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*
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* @param string $zero Text for no comments
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* @param string $one Text for one comment
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* @param string $more Text for more than one comment
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* @param string $deprecated Not used.
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*/
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function comments_number( $zero = false, $one = false, $more = false, $deprecated = '' ) {
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global $id;
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$number = get_comments_number($id);
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if ( $number > 1 )
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$output = str_replace('%', number_format_i18n($number), ( false === $more ) ? __('% Comments') : $more);
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elseif ( $number == 0 )
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$output = ( false === $zero ) ? __('No Comments') : $zero;
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else // must be one
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$output = ( false === $one ) ? __('1 Comment') : $one;
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echo apply_filters('comments_number', $output, $number);
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}
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/**
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* Retrieve the text of the current comment.
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*
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* @since 1.5
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* @uses $comment
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*
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* @return string The comment content
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*/
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function get_comment_text() {
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global $comment;
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return apply_filters('get_comment_text', $comment->comment_content);
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}
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/**
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* Displays the text of the current comment.
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*
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* @since 0.71
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* @uses apply_filters() Passes the comment content through the 'comment_text' hook before display
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* @uses get_comment_text() Gets the comment content
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*/
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function comment_text() {
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echo apply_filters('comment_text', get_comment_text() );
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}
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/**
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* Retrieve the comment time of the current comment.
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*
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* @since 1.5
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* @uses $comment
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* @uses apply_filter() Calls 'get_comment_time' hook with the formatted time, the $d parameter, and $gmt parameter passed.
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*
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* @param string $d Optional. The format of the time (defaults to user's config)
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* @param bool $gmt Whether to use the GMT date
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* @return string The formatted time
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*/
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function get_comment_time( $d = '', $gmt = false ) {
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global $comment;
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$comment_date = $gmt? $comment->comment_date_gmt : $comment->comment_date;
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if ( '' == $d )
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$date = mysql2date(get_option('time_format'), $comment_date);
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else
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$date = mysql2date($d, $comment_date);
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return apply_filters('get_comment_time', $date, $d, $gmt);
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}
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/**
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* Display the comment time of the current comment.
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*
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* @since 0.71
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*
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* @param string $d Optional. The format of the time (defaults to user's config)
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*/
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function comment_time( $d = '' ) {
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echo get_comment_time($d);
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}
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/**
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* Retrieve the comment type of the current comment.
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*
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* @since 1.5
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* @uses $comment
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* @uses apply_filters() Calls the 'get_comment_type' hook on the comment type
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*
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* @return string The comment type
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*/
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function get_comment_type() {
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global $comment;
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if ( '' == $comment->comment_type )
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$comment->comment_type = 'comment';
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return apply_filters('get_comment_type', $comment->comment_type);
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}
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/**
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* Display the comment type of the current comment.
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*
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* @since 0.71
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*
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* @param string $commenttxt The string to display for comment type
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* @param string $trackbacktxt The string to display for trackback type
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* @param string $pingbacktxt The string to display for pingback type
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*/
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function comment_type($commenttxt = 'Comment', $trackbacktxt = 'Trackback', $pingbacktxt = 'Pingback') {
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$type = get_comment_type();
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switch( $type ) {
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case 'trackback' :
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echo $trackbacktxt;
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break;
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case 'pingback' :
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echo $pingbacktxt;
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break;
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default :
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echo $commenttxt;
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}
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}
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/**
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* Retrieve The current post's trackback URL.
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*
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* There is a check to see if permalink's have been enabled and if so, will
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* retrieve the pretty path. If permalinks weren't enabled, the ID of the
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* current post is used and appended to the correct page to go to.
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*
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* @since 1.5
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* @uses apply_filters() Calls 'trackback_url' on the resulting trackback URL
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* @uses $id
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*
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* @return string The trackback URL after being filtered
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*/
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function get_trackback_url() {
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global $id;
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if ( '' != get_option('permalink_structure') ) {
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$tb_url = trailingslashit(get_permalink()) . user_trailingslashit('trackback', 'single_trackback');
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} else {
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$tb_url = get_option('siteurl') . '/wp-trackback.php?p=' . $id;
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}
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return apply_filters('trackback_url', $tb_url);
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}
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/**
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* Displays the current post's trackback URL.
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*
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* @since 0.71
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* @uses get_trackback_url() Gets the trackback url for the current post
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*
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* @param bool $deprecated Remove backwards compat in 2.5
|
|
* @return void|string Should only be used to echo the trackback URL, use get_trackback_url() for the result instead.
|
|
*/
|
|
function trackback_url($deprecated = true) {
|
|
if ($deprecated) echo get_trackback_url();
|
|
else return get_trackback_url();
|
|
}
|
|
|
|
/**
|
|
* Generates and displays the RDF for the trackback information of current post.
|
|
*
|
|
* @since 0.71
|
|
*
|
|
* @param int $deprecated Not used (Was $timezone = 0)
|
|
*/
|
|
function trackback_rdf($deprecated = '') {
|
|
if (stripos($_SERVER['HTTP_USER_AGENT'], 'W3C_Validator') === false) {
|
|
echo '<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
|
|
xmlns:dc="http://purl.org/dc/elements/1.1/"
|
|
xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/">
|
|
<rdf:Description rdf:about="';
|
|
the_permalink();
|
|
echo '"'."\n";
|
|
echo ' dc:identifier="';
|
|
the_permalink();
|
|
echo '"'."\n";
|
|
echo ' dc:title="'.str_replace('--', '--', wptexturize(strip_tags(get_the_title()))).'"'."\n";
|
|
echo ' trackback:ping="'.get_trackback_url().'"'." />\n";
|
|
echo '</rdf:RDF>';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Whether the current post is open for comments.
|
|
*
|
|
* @since 1.5
|
|
* @uses $post
|
|
*
|
|
* @param int $post_id An optional post ID to check instead of the current post.
|
|
* @return bool True if the comments are open
|
|
*/
|
|
function comments_open( $post_id=NULL ) {
|
|
|
|
$_post = get_post($post_id);
|
|
|
|
$open = ( 'open' == $_post->comment_status );
|
|
return apply_filters( 'comments_open', $open, $post_id );
|
|
}
|
|
|
|
/**
|
|
* Whether the current post is open for pings.
|
|
*
|
|
* @since 1.5
|
|
* @uses $post
|
|
*
|
|
* @param int $post_id An optional post ID to check instead of the current post.
|
|
* @return bool True if pings are accepted
|
|
*/
|
|
function pings_open( $post_id = NULL ) {
|
|
|
|
$_post = get_post($post_id);
|
|
|
|
$open = ( 'open' == $_post->ping_status );
|
|
return apply_filters( 'pings_open', $open, $post_id );
|
|
}
|
|
|
|
/**
|
|
* Displays form token for unfiltered comments.
|
|
*
|
|
* Will only display nonce token if the current user has permissions for
|
|
* unfiltered html. Won't display the token for other users.
|
|
*
|
|
* The function was backported to 2.0.10 and was added to versions 2.1.3 and
|
|
* above. Does not exist in versions prior to 2.0.10 in the 2.0 branch and in
|
|
* the 2.1 branch, prior to 2.1.3. Technically added in 2.2.0.
|
|
*
|
|
* @since 2.0.10 Backported to 2.0 branch
|
|
* @since 2.1.3
|
|
* @uses $post Gets the ID of the current post for the token
|
|
*/
|
|
function wp_comment_form_unfiltered_html_nonce() {
|
|
global $post;
|
|
if ( current_user_can('unfiltered_html') )
|
|
wp_nonce_field('unfiltered-html-comment_' . $post->ID, '_wp_unfiltered_html_comment', false);
|
|
}
|
|
|
|
/**
|
|
* Loads the comment template specified in $file.
|
|
*
|
|
* Will not display the comments template if not on single post or page, or if
|
|
* the post does not have comments.
|
|
*
|
|
* Uses the WordPress database object to query for the comments. The comments
|
|
* are passed through the 'comments_array' filter hook with the list of comments
|
|
* and the post ID respectively.
|
|
*
|
|
* The $file path is passed through a filter hook called, 'comments_template'
|
|
* which includes the TEMPLATEPATH and $file combined. Tries the $filtered path
|
|
* first and if it fails it will require the default comment themplate from the
|
|
* default theme. If either does not exist, then the WordPress process will be
|
|
* halted. It is advised for that reason, that the default theme is not deleted.
|
|
*
|
|
* @since 1.5
|
|
* @global array $comment List of comment objects for the current post
|
|
* @uses $wpdb
|
|
* @uses $id
|
|
* @uses $post
|
|
* @uses $withcomments Will not try to get the comments if the post has none.
|
|
*
|
|
* @param string $file Optional, default '/comments.php'. The file to load
|
|
* @return null Returns null if no comments appear
|
|
*/
|
|
function comments_template( $file = '/comments.php' ) {
|
|
global $wp_query, $withcomments, $post, $wpdb, $id, $comment, $user_login, $user_ID, $user_identity;
|
|
|
|
if ( ! (is_single() || is_page() || $withcomments) )
|
|
return;
|
|
|
|
$req = get_option('require_name_email');
|
|
$commenter = wp_get_current_commenter();
|
|
extract($commenter, EXTR_SKIP);
|
|
|
|
/** @todo Use API instead of SELECTs. */
|
|
if ( $user_ID) {
|
|
$comments = $wpdb->get_results($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND (comment_approved = '1' OR ( user_id = %d AND comment_approved = '0' ) ) ORDER BY comment_date", $post->ID, $user_ID));
|
|
} else if ( empty($comment_author) ) {
|
|
$comments = $wpdb->get_results($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1' ORDER BY comment_date", $post->ID));
|
|
} else {
|
|
$comments = $wpdb->get_results($wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND ( comment_approved = '1' OR ( comment_author = %s AND comment_author_email = %s AND comment_approved = '0' ) ) ORDER BY comment_date", $post->ID, $comment_author, $comment_author_email));
|
|
}
|
|
|
|
// keep $comments for legacy's sake (remember $table*? ;) )
|
|
$comments = $wp_query->comments = apply_filters( 'comments_array', $comments, $post->ID );
|
|
$wp_query->comment_count = count($wp_query->comments);
|
|
update_comment_cache($comments);
|
|
|
|
define('COMMENTS_TEMPLATE', true);
|
|
|
|
$include = apply_filters('comments_template', STYLESHEETPATH . $file );
|
|
if ( file_exists( $include ) )
|
|
require( $include );
|
|
elseif ( file_exists( TEMPLATEPATH . $file ) )
|
|
require( TEMPLATEPATH . $file );
|
|
else
|
|
require( get_theme_root() . '/default/comments.php');
|
|
}
|
|
|
|
/**
|
|
* Displays the JS popup script to show a comment.
|
|
*
|
|
* If the $file parameter is empty, then the home page is assumed. The defaults
|
|
* for the window are 400px by 400px.
|
|
*
|
|
* For the comment link popup to work, this function has to be called or the
|
|
* normal comment link will be assumed.
|
|
*
|
|
* @since 0.71
|
|
* @global string $wpcommentspopupfile The URL to use for the popup window
|
|
* @global int $wpcommentsjavascript Whether to use JavaScript or not. Set when function is called
|
|
*
|
|
* @param int $width Optional. The width of the popup window
|
|
* @param int $height Optional. The height of the popup window
|
|
* @param string $file Optional. Sets the location of the popup window
|
|
*/
|
|
function comments_popup_script($width=400, $height=400, $file='') {
|
|
global $wpcommentspopupfile, $wpcommentsjavascript;
|
|
|
|
if (empty ($file)) {
|
|
$wpcommentspopupfile = ''; // Use the index.
|
|
} else {
|
|
$wpcommentspopupfile = $file;
|
|
}
|
|
|
|
$wpcommentsjavascript = 1;
|
|
$javascript = "<script type='text/javascript'>\nfunction wpopen (macagna) {\n window.open(macagna, '_blank', 'width=$width,height=$height,scrollbars=yes,status=yes');\n}\n</script>\n";
|
|
echo $javascript;
|
|
}
|
|
|
|
/**
|
|
* Displays the link to the comments popup window for the current post ID.
|
|
*
|
|
* Is not meant to be displayed on single posts and pages. Should be used on the
|
|
* lists of posts
|
|
*
|
|
* @since 0.71
|
|
* @uses $id
|
|
* @uses $wpcommentspopupfile
|
|
* @uses $wpcommentsjavascript
|
|
* @uses $post
|
|
*
|
|
* @param string $zero The string to display when no comments
|
|
* @param string $one The string to display when only one comment is available
|
|
* @param string $more The string to display when there are more than one comment
|
|
* @param string $css_class The CSS class to use for comments
|
|
* @param string $none The string to display when comments have been turned off
|
|
* @return null Returns null on single posts and pages.
|
|
*/
|
|
function comments_popup_link( $zero = 'No Comments', $one = '1 Comment', $more = '% Comments', $css_class = '', $none = 'Comments Off' ) {
|
|
global $id, $wpcommentspopupfile, $wpcommentsjavascript, $post;
|
|
|
|
if ( is_single() || is_page() )
|
|
return;
|
|
|
|
$number = get_comments_number( $id );
|
|
|
|
if ( 0 == $number && 'closed' == $post->comment_status && 'closed' == $post->ping_status ) {
|
|
echo '<span' . ((!empty($css_class)) ? ' class="' . $css_class . '"' : '') . '>' . $none . '</span>';
|
|
return;
|
|
}
|
|
|
|
if ( !empty($post->post_password) ) { // if there's a password
|
|
if ( !isset($_COOKIE['wp-postpass_' . COOKIEHASH]) || $_COOKIE['wp-postpass_' . COOKIEHASH] != $post->post_password ) { // and it doesn't match the cookie
|
|
echo __('Enter your password to view comments');
|
|
return;
|
|
}
|
|
}
|
|
|
|
echo '<a href="';
|
|
if ( $wpcommentsjavascript ) {
|
|
if ( empty( $wpcommentspopupfile ) )
|
|
$home = get_option('home');
|
|
else
|
|
$home = get_option('siteurl');
|
|
echo $home . '/' . $wpcommentspopupfile . '?comments_popup=' . $id;
|
|
echo '" onclick="wpopen(this.href); return false"';
|
|
} else { // if comments_popup_script() is not in the template, display simple comment link
|
|
if ( 0 == $number )
|
|
echo get_permalink() . '#respond';
|
|
else
|
|
comments_link();
|
|
echo '"';
|
|
}
|
|
|
|
if ( !empty( $css_class ) ) {
|
|
echo ' class="'.$css_class.'" ';
|
|
}
|
|
$title = attribute_escape( get_the_title() );
|
|
|
|
echo apply_filters( 'comments_popup_link_attributes', '' );
|
|
|
|
echo ' title="' . sprintf( __('Comment on %s'), $title ) . '">';
|
|
comments_number( $zero, $one, $more, $number );
|
|
echo '</a>';
|
|
}
|
|
|
|
?>
|