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msd2/wordpress/wp-content/plugins/wordpress-seo/frontend/class-remove-reply-to-com.php

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+<?php
+/**
+ * WPSEO plugin file.
+ *
+ * @package WPSEO\Frontend
+ */
+
+/**
+ * Class WPSEO_Remove_Reply_To_Com.
+ *
+ * @since 7.0
+ */
+class WPSEO_Remove_Reply_To_Com implements WPSEO_WordPress_Integration {
+
+	/**
+	 * Registers the hooks necessary to handle removing ?replytocom.
+	 *
+	 * @since 7.0
+	 *
+	 * @return void
+	 */
+	public function register_hooks() {
+		if ( $this->clean_reply_to_com() ) {
+			add_filter( 'comment_reply_link', array( $this, 'remove_reply_to_com' ) );
+			add_action( 'template_redirect', array( $this, 'replytocom_redirect' ), 1 );
+		}
+	}
+
+	/**
+	 * Removes the ?replytocom variable from the link, replacing it with a #comment-<number> anchor.
+	 *
+	 * @todo Should this function also allow for relative urls ?
+	 *
+	 * @param string $link The comment link as a string.
+	 *
+	 * @return string The modified link.
+	 */
+	public function remove_reply_to_com( $link ) {
+		return preg_replace( '`href=(["\'])(?:.*(?:\?|&|&#038;)replytocom=(\d+)#respond)`', 'href=$1#comment-$2', $link );
+	}
+
+	/**
+	 * Redirects out the ?replytocom variables.
+	 *
+	 * @since 1.4.13
+	 * @return boolean True when redirect has been done.
+	 */
+	public function replytocom_redirect() {
+		if ( isset( $_GET['replytocom'] ) && is_singular() ) {
+			$url          = get_permalink( $GLOBALS['post']->ID );
+			$hash         = sanitize_text_field( wp_unslash( $_GET['replytocom'] ) );
+			$query_string = '';
+			if ( isset( $_SERVER['QUERY_STRING'] ) ) {
+				$query_string = remove_query_arg( 'replytocom', sanitize_text_field( wp_unslash( $_SERVER['QUERY_STRING'] ) ) );
+			}
+			if ( ! empty( $query_string ) ) {
+				$url .= '?' . $query_string;
+			}
+			$url .= '#comment-' . $hash;
+
+			$front = WPSEO_Frontend::get_instance();
+			$front->redirect( $url, 301 );
+
+			return true;
+		}
+
+		return false;
+	}
+
+	/**
+	 * Checks whether we can allow the feature that removes ?replytocom query parameters.
+	 *
+	 * @return bool True to remove, false not to remove.
+	 */
+	private function clean_reply_to_com() {
+		/**
+		 * Filter: 'wpseo_remove_reply_to_com' - Allow disabling the feature that removes ?replytocom query parameters.
+		 *
+		 * @param bool $return True to remove, false not to remove.
+		 */
+		return (bool) apply_filters( 'wpseo_remove_reply_to_com', true );
+	}
+}