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<?php
/**
 * Handle Trackbacks and Pingbacks Sent to WordPress
 *
 * @since 0.71
 *
 * @package WordPress
 * @subpackage Trackbacks
 */

if (empty($wp)) {
	require_once( dirname( __FILE__ ) . '/wp-load.php' );
	wp( array( 'tb' => '1' ) );
}

/**
 * Response to a trackback.
 *
 * Responds with an error or success XML message.
 *
 * @since 0.71
 *
 * @param mixed  $error         Whether there was an error.
 *                              Default '0'. Accepts '0' or '1', true or false.
 * @param string $error_message Error message if an error occurred.
 */
function trackback_response($error = 0, $error_message = '') {
	header('Content-Type: text/xml; charset=' . get_option('blog_charset') );
	if ($error) {
		echo '<?xml version="1.0" encoding="utf-8"?'.">\n";
		echo "<response>\n";
		echo "<error>1</error>\n";
		echo "<message>$error_message</message>\n";
		echo "</response>";
		die();
	} else {
		echo '<?xml version="1.0" encoding="utf-8"?'.">\n";
		echo "<response>\n";
		echo "<error>0</error>\n";
		echo "</response>";
	}
}

// Trackback is done by a POST.
$request_array = 'HTTP_POST_VARS';

if ( !isset($_GET['tb_id']) || !$_GET['tb_id'] ) {
	$tb_id = explode('/', $_SERVER['REQUEST_URI']);
	$tb_id = intval( $tb_id[ count($tb_id) - 1 ] );
}

$tb_url  = isset($_POST['url'])     ? $_POST['url']     : '';
$charset = isset($_POST['charset']) ? $_POST['charset'] : '';

// These three are stripslashed here so they can be properly escaped after mb_convert_encoding().
$title     = isset($_POST['title'])     ? wp_unslash($_POST['title'])      : '';
$excerpt   = isset($_POST['excerpt'])   ? wp_unslash($_POST['excerpt'])    : '';
$blog_name = isset($_POST['blog_name']) ? wp_unslash($_POST['blog_name'])  : '';

if ($charset)
	$charset = str_replace( array(',', ' '), '', strtoupper( trim($charset) ) );
else
	$charset = 'ASCII, UTF-8, ISO-8859-1, JIS, EUC-JP, SJIS';

// No valid uses for UTF-7.
if ( false !== strpos($charset, 'UTF-7') )
	die;

// For international trackbacks.
if ( function_exists('mb_convert_encoding') ) {
	$title     = mb_convert_encoding($title, get_option('blog_charset'), $charset);
	$excerpt   = mb_convert_encoding($excerpt, get_option('blog_charset'), $charset);
	$blog_name = mb_convert_encoding($blog_name, get_option('blog_charset'), $charset);
}

// Now that mb_convert_encoding() has been given a swing, we need to escape these three.
$title     = wp_slash($title);
$excerpt   = wp_slash($excerpt);
$blog_name = wp_slash($blog_name);

if ( is_single() || is_page() )
	$tb_id = $posts[0]->ID;

if ( !isset($tb_id) || !intval( $tb_id ) )
	trackback_response( 1, __( 'I really need an ID for this to work.' ) );

if (empty($title) && empty($tb_url) && empty($blog_name)) {
	// If it doesn't look like a trackback at all.
	wp_redirect(get_permalink($tb_id));
	exit;
}

if ( !empty($tb_url) && !empty($title) ) {
	/**
	* Fires before the trackback is added to a post.
	*
	* @since 4.7.0
	*
	* @param int    $tb_id     Post ID related to the trackback.
	* @param string $tb_url    Trackback URL.
	* @param string $charset   Character Set.
	* @param string $title     Trackback Title.
	* @param string $excerpt   Trackback Excerpt.
	* @param string $blog_name Blog Name.
	*/
	do_action( 'pre_trackback_post', $tb_id, $tb_url, $charset, $title, $excerpt, $blog_name );

	header('Content-Type: text/xml; charset=' . get_option('blog_charset') );

	if ( !pings_open($tb_id) )
		trackback_response( 1, __( 'Sorry, trackbacks are closed for this item.' ) );

	$title =  wp_html_excerpt( $title, 250, '&#8230;' );
	$excerpt = wp_html_excerpt( $excerpt, 252, '&#8230;' );

	$comment_post_ID = (int) $tb_id;
	$comment_author = $blog_name;
	$comment_author_email = '';
	$comment_author_url = $tb_url;
	$comment_content = "<strong>$title</strong>\n\n$excerpt";
	$comment_type = 'trackback';

	$dupe = $wpdb->get_results( $wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_author_url = %s", $comment_post_ID, $comment_author_url) );
	if ( $dupe )
		trackback_response( 1, __( 'We already have a ping from that URL for this post.' ) );

	$commentdata = compact('comment_post_ID', 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content', 'comment_type');

	$result = wp_new_comment( $commentdata );

	if ( is_wp_error( $result ) ) {
		trackback_response( 1, $result->get_error_message() );
	}

	$trackback_id = $wpdb->insert_id;

	/**
	 * Fires after a trackback is added to a post.
	 *
	 * @since 1.2.0
	 *
	 * @param int $trackback_id Trackback ID.
	 */
	do_action( 'trackback_post', $trackback_id );
	trackback_response( 0 );
}
Las Vegas Doctors - Pain Management - Diabetes Care | About Red Rock Medical Group Las Vegas Doctors - Pain Management - Diabetes Care | About Red Rock Medical Group
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(702) 877-9514

5701 W. Charleston Blvd, #100
Las Vegas, Nevada 89146

About Us

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We welcome your interest in the Red Rock Medical Group. Whether you are looking for a Las Vegas OB/GYN, pain management, pediatrics, internal medicine or other quality medical services, we invite you to discover the high level of care that you’ll receive in our medical center.

The Red Rock Medical Group, founded by Rachakonda D. Prabhu, M.D., was originally established as a small group specializing in pulmonology (lungs), known as “The Lung Institute”. It gradually grew to include multiple specialties including nephrology (kidneys), gastroenterology (stomach and colon), and neurology (brain and nerves).

Our dedicated team of physicians and specialists offers you the very best care in every medical specialty; from diabetes care, to neurology, allergy testing, full service laboratory and much more. At Red Rock Medical Group you can trust our staff to provide you and your entire family with the care you need, at every stage of life.

 

 

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