Comments: Include post permalink in comment reply link.

Include the post's permalink when generating reply links in `get_comment_reply_link()` to account for comments displayed on index and archive pages.

This reapplies [32786] which was inadvertently reverted in [42360].

Props justinahinon, donmhico.
See #33383.
Fixes #47174.


git-svn-id: https://develop.svn.wordpress.org/trunk@45787 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/comment-template.php

@@ -1697,7 +1697,8 @@ function get_comment_reply_link( $args = array(), $comment = null, $post = null
 						'replytocom'      => $comment->comment_ID,
 						'unapproved'      => false,
 						'moderation-hash' => false,
-					)
+					),
+					get_permalink( $post->ID )
 				)
 			) . '#' . $args['respond_id'],
 			$data_attribute_string,

tests/phpunit/tests/comment/getCommentReplyLink.php

@@ -26,4 +26,44 @@ class Tests_Comment_GetCommentReplyLink extends WP_UnitTestCase {
 
 		$this->assertNull( get_comment_reply_link( $args ) );
 	}
+
+	/**
+	 * Ensure comment reply links include post permalink.
+	 *
+	 * @ticket 47174
+	 */
+	public function test_get_comment_reply_link_should_include_post_permalink() {
+		// Create a sample post.
+		$post_id = self::factory()->post->create();
+
+		// Insert comment.
+		$comment_id = self::factory()->comment->create(
+			array(
+				'comment_post_ID' => $post_id,
+				'user_id'         => 1,
+			)
+		);
+
+		// `depth` and `max_depth` required for reply links to display.
+		$comment_reply_link = get_comment_reply_link(
+			array(
+				'depth'     => 1,
+				'max_depth' => 5,
+			),
+			$comment_id,
+			$post_id
+		);
+
+		$expected_url = esc_url(
+			add_query_arg(
+				array(
+					'p'          => $post_id,
+					'replytocom' => $comment_id,
+				),
+				home_url( '/#respond' )
+			)
+		);
+
+		$this->assertContains( $expected_url, $comment_reply_link );
+	}
 }