diff --git a/wp-includes/class-wp-xmlrpc-server.php b/wp-includes/class-wp-xmlrpc-server.php
index 0c574475b1..7ff8644d6c 100644
--- a/wp-includes/class-wp-xmlrpc-server.php
+++ b/wp-includes/class-wp-xmlrpc-server.php
@@ -3720,25 +3720,25 @@ class wp_xmlrpc_server extends IXR_Server {
 
 		$username   = $args[1];
 		$password   = $args[2];
-		$comment_ID = (int) $args[3];
+		$comment_id = (int) $args[3];
 
 		$user = $this->login( $username, $password );
 		if ( ! $user ) {
 			return $this->error;
 		}
 
-		if ( ! get_comment( $comment_ID ) ) {
+		if ( ! get_comment( $comment_id ) ) {
 			return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
 		}
 
-		if ( ! current_user_can( 'edit_comment', $comment_ID ) ) {
+		if ( ! current_user_can( 'edit_comment', $comment_id ) ) {
 			return new IXR_Error( 403, __( 'Sorry, you are not allowed to delete this comment.' ) );
 		}
 
 		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
 		do_action( 'xmlrpc_call', 'wp.deleteComment', $args, $this );
 
-		$status = wp_delete_comment( $comment_ID );
+		$status = wp_delete_comment( $comment_id );
 
 		if ( $status ) {
 			/**
@@ -3746,10 +3746,10 @@ class wp_xmlrpc_server extends IXR_Server {
 			 *
 			 * @since 3.4.0
 			 *
-			 * @param int   $comment_ID ID of the deleted comment.
+			 * @param int   $comment_id ID of the deleted comment.
 			 * @param array $args       An array of arguments to delete the comment.
 			 */
-			do_action( 'xmlrpc_call_success_wp_deleteComment', $comment_ID, $args ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase
+			do_action( 'xmlrpc_call_success_wp_deleteComment', $comment_id, $args ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase
 		}
 
 		return $status;
@@ -3787,7 +3787,7 @@ class wp_xmlrpc_server extends IXR_Server {
 
 		$username       = $args[1];
 		$password       = $args[2];
-		$comment_ID     = (int) $args[3];
+		$comment_id     = (int) $args[3];
 		$content_struct = $args[4];
 
 		$user = $this->login( $username, $password );
@@ -3795,18 +3795,18 @@ class wp_xmlrpc_server extends IXR_Server {
 			return $this->error;
 		}
 
-		if ( ! get_comment( $comment_ID ) ) {
+		if ( ! get_comment( $comment_id ) ) {
 			return new IXR_Error( 404, __( 'Invalid comment ID.' ) );
 		}
 
-		if ( ! current_user_can( 'edit_comment', $comment_ID ) ) {
+		if ( ! current_user_can( 'edit_comment', $comment_id ) ) {
 			return new IXR_Error( 403, __( 'Sorry, you are not allowed to moderate or edit this comment.' ) );
 		}
 
 		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
 		do_action( 'xmlrpc_call', 'wp.editComment', $args, $this );
 		$comment = array(
-			'comment_ID' => $comment_ID,
+			'comment_ID' => $comment_id,
 		);
 
 		if ( isset( $content_struct['status'] ) ) {
@@ -3858,10 +3858,10 @@ class wp_xmlrpc_server extends IXR_Server {
 		 *
 		 * @since 3.4.0
 		 *
-		 * @param int   $comment_ID ID of the updated comment.
+		 * @param int   $comment_id ID of the updated comment.
 		 * @param array $args       An array of arguments to update the comment.
 		 */
-		do_action( 'xmlrpc_call_success_wp_editComment', $comment_ID, $args ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase
+		do_action( 'xmlrpc_call_success_wp_editComment', $comment_id, $args ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase
 
 		return true;
 	}
@@ -3999,12 +3999,12 @@ class wp_xmlrpc_server extends IXR_Server {
 		/** This action is documented in wp-includes/class-wp-xmlrpc-server.php */
 		do_action( 'xmlrpc_call', 'wp.newComment', $args, $this );
 
-		$comment_ID = wp_new_comment( $comment, true );
-		if ( is_wp_error( $comment_ID ) ) {
-			return new IXR_Error( 403, $comment_ID->get_error_message() );
+		$comment_id = wp_new_comment( $comment, true );
+		if ( is_wp_error( $comment_id ) ) {
+			return new IXR_Error( 403, $comment_id->get_error_message() );
 		}
 
-		if ( ! $comment_ID ) {
+		if ( ! $comment_id ) {
 			return new IXR_Error( 403, __( 'Something went wrong.' ) );
 		}
 
@@ -4013,12 +4013,12 @@ class wp_xmlrpc_server extends IXR_Server {
 		 *
 		 * @since 3.4.0
 		 *
-		 * @param int   $comment_ID ID of the new comment.
+		 * @param int   $comment_id ID of the new comment.
 		 * @param array $args       An array of new comment arguments.
 		 */
-		do_action( 'xmlrpc_call_success_wp_newComment', $comment_ID, $args ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase
+		do_action( 'xmlrpc_call_success_wp_newComment', $comment_id, $args ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase
 
-		return $comment_ID;
+		return $comment_id;
 	}
 
 	/**
@@ -7040,10 +7040,10 @@ class wp_xmlrpc_server extends IXR_Server {
 			'remote_source_original'
 		);
 
-		$comment_ID = wp_new_comment( $commentdata );
+		$comment_id = wp_new_comment( $commentdata );
 
-		if ( is_wp_error( $comment_ID ) ) {
-			return $this->pingback_error( 0, $comment_ID->get_error_message() );
+		if ( is_wp_error( $comment_id ) ) {
+			return $this->pingback_error( 0, $comment_id->get_error_message() );
 		}
 
 		/**
@@ -7051,9 +7051,9 @@ class wp_xmlrpc_server extends IXR_Server {
 		 *
 		 * @since 0.71
 		 *
-		 * @param int $comment_ID Comment ID.
+		 * @param int $comment_id Comment ID.
 		 */
-		do_action( 'pingback_post', $comment_ID );
+		do_action( 'pingback_post', $comment_id );
 
 		/* translators: 1: URL of the page linked from, 2: URL of the page linked to. */
 		return sprintf( __( 'Pingback from %1$s to %2$s registered. Keep the web talking! :-)' ), $pagelinkedfrom, $pagelinkedto );
diff --git a/wp-includes/comment-template.php b/wp-includes/comment-template.php
index b5cbdc5cbe..cc5b89262b 100644
--- a/wp-includes/comment-template.php
+++ b/wp-includes/comment-template.php
@@ -15,15 +15,15 @@
  * assumed.
  *
  * @since 1.5.0
- * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
  *
- * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to retrieve the author.
+ * @param int|WP_Comment $comment_id Optional. WP_Comment or the ID of the comment for which to retrieve the author.
  *                                   Default current comment.
  * @return string The comment author
  */
-function get_comment_author( $comment_ID = 0 ) {
-	$comment    = get_comment( $comment_ID );
-	$comment_ID = ! empty( $comment->comment_ID ) ? $comment->comment_ID : $comment_ID;
+function get_comment_author( $comment_id = 0 ) {
+	$comment    = get_comment( $comment_id );
+	$comment_id = ! empty( $comment->comment_ID ) ? $comment->comment_ID : $comment_id;
 
 	if ( empty( $comment->comment_author ) ) {
 		$user = ! empty( $comment->user_id ) ? get_userdata( $comment->user_id ) : false;
@@ -40,36 +40,36 @@ function get_comment_author( $comment_ID = 0 ) {
 	 * Filters the returned comment author name.
 	 *
 	 * @since 1.5.0
-	 * @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
+	 * @since 4.1.0 The `$comment_id` and `$comment` parameters were added.
 	 *
 	 * @param string     $author     The comment author's username.
-	 * @param string     $comment_ID The comment ID as a numeric string.
+	 * @param string     $comment_id The comment ID as a numeric string.
 	 * @param WP_Comment $comment    The comment object.
 	 */
-	return apply_filters( 'get_comment_author', $author, $comment_ID, $comment );
+	return apply_filters( 'get_comment_author', $author, $comment_id, $comment );
 }
 
 /**
  * Displays the author of the current comment.
  *
  * @since 0.71
- * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
  *
- * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author.
+ * @param int|WP_Comment $comment_id Optional. WP_Comment or the ID of the comment for which to print the author.
  *                                   Default current comment.
  */
-function comment_author( $comment_ID = 0 ) {
-	$comment = get_comment( $comment_ID );
+function comment_author( $comment_id = 0 ) {
+	$comment = get_comment( $comment_id );
 	$author  = get_comment_author( $comment );
 
 	/**
 	 * Filters the comment author's name for display.
 	 *
 	 * @since 1.2.0
-	 * @since 4.1.0 The `$comment_ID` parameter was added.
+	 * @since 4.1.0 The `$comment_id` parameter was added.
 	 *
 	 * @param string $author     The comment author's username.
-	 * @param string $comment_ID The comment ID as a numeric string.
+	 * @param string $comment_id The comment ID as a numeric string.
 	 */
 	echo apply_filters( 'comment_author', $author, $comment->comment_ID );
 }
@@ -78,23 +78,23 @@ function comment_author( $comment_ID = 0 ) {
  * Retrieves the email of the author of the current comment.
  *
  * @since 1.5.0
- * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
  *
- * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to get the author's email.
+ * @param int|WP_Comment $comment_id Optional. WP_Comment or the ID of the comment for which to get the author's email.
  *                                   Default current comment.
  * @return string The current comment author's email
  */
-function get_comment_author_email( $comment_ID = 0 ) {
-	$comment = get_comment( $comment_ID );
+function get_comment_author_email( $comment_id = 0 ) {
+	$comment = get_comment( $comment_id );
 
 	/**
 	 * Filters the comment author's returned email address.
 	 *
 	 * @since 1.5.0
-	 * @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
+	 * @since 4.1.0 The `$comment_id` and `$comment` parameters were added.
 	 *
 	 * @param string     $comment_author_email The comment author's email address.
-	 * @param string     $comment_ID           The comment ID as a numeric string.
+	 * @param string     $comment_id           The comment ID as a numeric string.
 	 * @param WP_Comment $comment              The comment object.
 	 */
 	return apply_filters( 'get_comment_author_email', $comment->comment_author_email, $comment->comment_ID, $comment );
@@ -110,23 +110,23 @@ function get_comment_author_email( $comment_ID = 0 ) {
  * address and use it for their own means good and bad.
  *
  * @since 0.71
- * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
  *
- * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author's email.
+ * @param int|WP_Comment $comment_id Optional. WP_Comment or the ID of the comment for which to print the author's email.
  *                                   Default current comment.
  */
-function comment_author_email( $comment_ID = 0 ) {
-	$comment      = get_comment( $comment_ID );
+function comment_author_email( $comment_id = 0 ) {
+	$comment      = get_comment( $comment_id );
 	$author_email = get_comment_author_email( $comment );
 
 	/**
 	 * Filters the comment author's email for display.
 	 *
 	 * @since 1.2.0
-	 * @since 4.1.0 The `$comment_ID` parameter was added.
+	 * @since 4.1.0 The `$comment_id` parameter was added.
 	 *
 	 * @param string $author_email The comment author's email address.
-	 * @param string $comment_ID   The comment ID as a numeric string.
+	 * @param string $comment_id   The comment ID as a numeric string.
 	 */
 	echo apply_filters( 'author_email', $author_email, $comment->comment_ID );
 }
@@ -208,18 +208,18 @@ function get_comment_author_email_link( $linktext = '', $before = '', $after = '
  * Retrieves the HTML link to the URL of the author of the current comment.
  *
  * Both get_comment_author_url() and get_comment_author() rely on get_comment(),
- * which falls back to the global comment variable if the $comment_ID argument is empty.
+ * which falls back to the global comment variable if the $comment_id argument is empty.
  *
  * @since 1.5.0
- * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
  *
- * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to get the author's link.
+ * @param int|WP_Comment $comment_id Optional. WP_Comment or the ID of the comment for which to get the author's link.
  *                                   Default current comment.
  * @return string The comment author name or HTML link for author's URL.
  */
-function get_comment_author_link( $comment_ID = 0 ) {
-	$comment    = get_comment( $comment_ID );
-	$comment_ID = ! empty( $comment->comment_ID ) ? $comment->comment_ID : (string) $comment_ID;
+function get_comment_author_link( $comment_id = 0 ) {
+	$comment    = get_comment( $comment_id );
+	$comment_id = ! empty( $comment->comment_ID ) ? $comment->comment_ID : (string) $comment_id;
 	$url        = get_comment_author_url( $comment );
 	$author     = get_comment_author( $comment );
 
@@ -263,50 +263,50 @@ function get_comment_author_link( $comment_ID = 0 ) {
 	 * Filters the comment author's link for display.
 	 *
 	 * @since 1.5.0
-	 * @since 4.1.0 The `$author` and `$comment_ID` parameters were added.
+	 * @since 4.1.0 The `$author` and `$comment_id` parameters were added.
 	 *
 	 * @param string $return     The HTML-formatted comment author link.
 	 *                           Empty for an invalid URL.
 	 * @param string $author     The comment author's username.
-	 * @param string $comment_ID The comment ID as a numeric string.
+	 * @param string $comment_id The comment ID as a numeric string.
 	 */
-	return apply_filters( 'get_comment_author_link', $return, $author, $comment_ID );
+	return apply_filters( 'get_comment_author_link', $return, $author, $comment_id );
 }
 
 /**
  * Displays the HTML link to the URL of the author of the current comment.
  *
  * @since 0.71
- * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
  *
- * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author's link.
+ * @param int|WP_Comment $comment_id Optional. WP_Comment or the ID of the comment for which to print the author's link.
  *                                   Default current comment.
  */
-function comment_author_link( $comment_ID = 0 ) {
-	echo get_comment_author_link( $comment_ID );
+function comment_author_link( $comment_id = 0 ) {
+	echo get_comment_author_link( $comment_id );
 }
 
 /**
  * Retrieves the IP address of the author of the current comment.
  *
  * @since 1.5.0
- * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
  *
- * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to get the author's IP address.
+ * @param int|WP_Comment $comment_id Optional. WP_Comment or the ID of the comment for which to get the author's IP address.
  *                                   Default current comment.
  * @return string Comment author's IP address, or an empty string if it's not available.
  */
-function get_comment_author_IP( $comment_ID = 0 ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid
-	$comment = get_comment( $comment_ID );
+function get_comment_author_IP( $comment_id = 0 ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid
+	$comment = get_comment( $comment_id );
 
 	/**
 	 * Filters the comment author's returned IP address.
 	 *
 	 * @since 1.5.0
-	 * @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
+	 * @since 4.1.0 The `$comment_id` and `$comment` parameters were added.
 	 *
 	 * @param string     $comment_author_ip The comment author's IP address, or an empty string if it's not available.
-	 * @param string     $comment_ID        The comment ID as a numeric string.
+	 * @param string     $comment_id        The comment ID as a numeric string.
 	 * @param WP_Comment $comment           The comment object.
 	 */
 	return apply_filters( 'get_comment_author_IP', $comment->comment_author_IP, $comment->comment_ID, $comment );  // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase
@@ -316,27 +316,27 @@ function get_comment_author_IP( $comment_ID = 0 ) { // phpcs:ignore WordPress.Na
  * Displays the IP address of the author of the current comment.
  *
  * @since 0.71
- * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
  *
- * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author's IP address.
+ * @param int|WP_Comment $comment_id Optional. WP_Comment or the ID of the comment for which to print the author's IP address.
  *                                   Default current comment.
  */
-function comment_author_IP( $comment_ID = 0 ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid
-	echo esc_html( get_comment_author_IP( $comment_ID ) );
+function comment_author_IP( $comment_id = 0 ) { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid
+	echo esc_html( get_comment_author_IP( $comment_id ) );
 }
 
 /**
  * Retrieves the URL of the author of the current comment, not linked.
  *
  * @since 1.5.0
- * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
  *
- * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to get the author's URL.
+ * @param int|WP_Comment $comment_id Optional. WP_Comment or the ID of the comment for which to get the author's URL.
  *                                   Default current comment.
  * @return string Comment author URL, if provided, an empty string otherwise.
  */
-function get_comment_author_url( $comment_ID = 0 ) {
-	$comment = get_comment( $comment_ID );
+function get_comment_author_url( $comment_id = 0 ) {
+	$comment = get_comment( $comment_id );
 	$url     = '';
 	$id      = 0;
 
@@ -350,10 +350,10 @@ function get_comment_author_url( $comment_ID = 0 ) {
 	 * Filters the comment author's URL.
 	 *
 	 * @since 1.5.0
-	 * @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
+	 * @since 4.1.0 The `$comment_id` and `$comment` parameters were added.
 	 *
 	 * @param string          $url        The comment author's URL, or an empty string.
-	 * @param string|int      $comment_ID The comment ID as a numeric string, or 0 if not found.
+	 * @param string|int      $comment_id The comment ID as a numeric string, or 0 if not found.
 	 * @param WP_Comment|null $comment    The comment object, or null if not found.
 	 */
 	return apply_filters( 'get_comment_author_url', $url, $id, $comment );
@@ -363,23 +363,23 @@ function get_comment_author_url( $comment_ID = 0 ) {
  * Displays the URL of the author of the current comment, not linked.
  *
  * @since 0.71
- * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
  *
- * @param int|WP_Comment $comment_ID Optional. WP_Comment or the ID of the comment for which to print the author's URL.
+ * @param int|WP_Comment $comment_id Optional. WP_Comment or the ID of the comment for which to print the author's URL.
  *                                   Default current comment.
  */
-function comment_author_url( $comment_ID = 0 ) {
-	$comment    = get_comment( $comment_ID );
+function comment_author_url( $comment_id = 0 ) {
+	$comment    = get_comment( $comment_id );
 	$author_url = get_comment_author_url( $comment );
 
 	/**
 	 * Filters the comment author's URL for display.
 	 *
 	 * @since 1.2.0
-	 * @since 4.1.0 The `$comment_ID` parameter was added.
+	 * @since 4.1.0 The `$comment_id` parameter was added.
 	 *
 	 * @param string $author_url The comment author's URL.
-	 * @param string $comment_ID The comment ID as a numeric string.
+	 * @param string $comment_id The comment ID as a numeric string.
 	 */
 	echo apply_filters( 'comment_url', $author_url, $comment->comment_ID );
 }
@@ -575,15 +575,15 @@ function get_comment_class( $css_class = '', $comment_id = null, $post = null )
  * Retrieves the comment date of the current comment.
  *
  * @since 1.5.0
- * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
  *
  * @param string         $format     Optional. PHP date format. Defaults to the 'date_format' option.
- * @param int|WP_Comment $comment_ID Optional. WP_Comment or ID of the comment for which to get the date.
+ * @param int|WP_Comment $comment_id Optional. WP_Comment or ID of the comment for which to get the date.
  *                                   Default current comment.
  * @return string The comment's date.
  */
-function get_comment_date( $format = '', $comment_ID = 0 ) {
-	$comment = get_comment( $comment_ID );
+function get_comment_date( $format = '', $comment_id = 0 ) {
+	$comment = get_comment( $comment_id );
 
 	$_format = ! empty( $format ) ? $format : get_option( 'date_format' );
 
@@ -605,14 +605,14 @@ function get_comment_date( $format = '', $comment_ID = 0 ) {
  * Displays the comment date of the current comment.
  *
  * @since 0.71
- * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
  *
  * @param string         $format     Optional. PHP date format. Defaults to the 'date_format' option.
- * @param int|WP_Comment $comment_ID WP_Comment or ID of the comment for which to print the date.
+ * @param int|WP_Comment $comment_id WP_Comment or ID of the comment for which to print the date.
  *                                   Default current comment.
  */
-function comment_date( $format = '', $comment_ID = 0 ) {
-	echo get_comment_date( $format, $comment_ID );
+function comment_date( $format = '', $comment_id = 0 ) {
+	echo get_comment_date( $format, $comment_id );
 }
 
 /**
@@ -621,14 +621,14 @@ function comment_date( $format = '', $comment_ID = 0 ) {
  * Returns a maximum of 20 words with an ellipsis appended if necessary.
  *
  * @since 1.5.0
- * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
  *
- * @param int|WP_Comment $comment_ID Optional. WP_Comment or ID of the comment for which to get the excerpt.
+ * @param int|WP_Comment $comment_id Optional. WP_Comment or ID of the comment for which to get the excerpt.
  *                                   Default current comment.
  * @return string The possibly truncated comment excerpt.
  */
-function get_comment_excerpt( $comment_ID = 0 ) {
-	$comment = get_comment( $comment_ID );
+function get_comment_excerpt( $comment_id = 0 ) {
+	$comment = get_comment( $comment_id );
 
 	if ( ! post_password_required( $comment->comment_post_ID ) ) {
 		$comment_text = strip_tags( str_replace( array( "\n", "\r" ), ' ', $comment->comment_content ) );
@@ -654,10 +654,10 @@ function get_comment_excerpt( $comment_ID = 0 ) {
 	 * Filters the retrieved comment excerpt.
 	 *
 	 * @since 1.5.0
-	 * @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
+	 * @since 4.1.0 The `$comment_id` and `$comment` parameters were added.
 	 *
 	 * @param string     $excerpt    The comment excerpt text.
-	 * @param string     $comment_ID The comment ID as a numeric string.
+	 * @param string     $comment_id The comment ID as a numeric string.
 	 * @param WP_Comment $comment    The comment object.
 	 */
 	return apply_filters( 'get_comment_excerpt', $excerpt, $comment->comment_ID, $comment );
@@ -667,23 +667,23 @@ function get_comment_excerpt( $comment_ID = 0 ) {
  * Displays the excerpt of the current comment.
  *
  * @since 1.2.0
- * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
  *
- * @param int|WP_Comment $comment_ID Optional. WP_Comment or ID of the comment for which to print the excerpt.
+ * @param int|WP_Comment $comment_id Optional. WP_Comment or ID of the comment for which to print the excerpt.
  *                                   Default current comment.
  */
-function comment_excerpt( $comment_ID = 0 ) {
-	$comment         = get_comment( $comment_ID );
+function comment_excerpt( $comment_id = 0 ) {
+	$comment         = get_comment( $comment_id );
 	$comment_excerpt = get_comment_excerpt( $comment );
 
 	/**
 	 * Filters the comment excerpt for display.
 	 *
 	 * @since 1.2.0
-	 * @since 4.1.0 The `$comment_ID` parameter was added.
+	 * @since 4.1.0 The `$comment_id` parameter was added.
 	 *
 	 * @param string $comment_excerpt The comment excerpt text.
-	 * @param string $comment_ID      The comment ID as a numeric string.
+	 * @param string $comment_id      The comment ID as a numeric string.
 	 */
 	echo apply_filters( 'comment_excerpt', $comment_excerpt, $comment->comment_ID );
 }
@@ -697,7 +697,7 @@ function comment_excerpt( $comment_ID = 0 ) {
  */
 function get_comment_ID() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionNameInvalid
 	$comment    = get_comment();
-	$comment_ID = ! empty( $comment->comment_ID ) ? $comment->comment_ID : '0';
+	$comment_id = ! empty( $comment->comment_ID ) ? $comment->comment_ID : '0';
 
 	/**
 	 * Filters the returned comment ID.
@@ -705,10 +705,10 @@ function get_comment_ID() { // phpcs:ignore WordPress.NamingConventions.ValidFun
 	 * @since 1.5.0
 	 * @since 4.1.0 The `$comment` parameter was added.
 	 *
-	 * @param string     $comment_ID The current comment ID as a numeric string.
+	 * @param string     $comment_id The current comment ID as a numeric string.
 	 * @param WP_Comment $comment    The comment object.
 	 */
-	return apply_filters( 'get_comment_ID', $comment_ID, $comment );  // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase
+	return apply_filters( 'get_comment_ID', $comment_id, $comment );  // phpcs:ignore WordPress.NamingConventions.ValidHookName.NotLowercase
 }
 
 /**
@@ -985,18 +985,18 @@ function get_comments_number_text( $zero = false, $one = false, $more = false, $
  * Retrieves the text of the current comment.
  *
  * @since 1.5.0
- * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
  * @since 5.4.0 Added 'In reply to %s.' prefix to child comments in comments feed.
  *
  * @see Walker_Comment::comment()
  *
- * @param int|WP_Comment $comment_ID Optional. WP_Comment or ID of the comment for which to get the text.
+ * @param int|WP_Comment $comment_id Optional. WP_Comment or ID of the comment for which to get the text.
  *                                   Default current comment.
  * @param array          $args       Optional. An array of arguments. Default empty array.
  * @return string The comment content.
  */
-function get_comment_text( $comment_ID = 0, $args = array() ) {
-	$comment = get_comment( $comment_ID );
+function get_comment_text( $comment_id = 0, $args = array() ) {
+	$comment = get_comment( $comment_id );
 
 	$comment_content = $comment->comment_content;
 
@@ -1032,16 +1032,16 @@ function get_comment_text( $comment_ID = 0, $args = array() ) {
  * Displays the text of the current comment.
  *
  * @since 0.71
- * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
  *
  * @see Walker_Comment::comment()
  *
- * @param int|WP_Comment $comment_ID Optional. WP_Comment or ID of the comment for which to print the text.
+ * @param int|WP_Comment $comment_id Optional. WP_Comment or ID of the comment for which to print the text.
  *                                   Default current comment.
  * @param array          $args       Optional. An array of arguments. Default empty array.
  */
-function comment_text( $comment_ID = 0, $args = array() ) {
-	$comment = get_comment( $comment_ID );
+function comment_text( $comment_id = 0, $args = array() ) {
+	$comment = get_comment( $comment_id );
 
 	$comment_text = get_comment_text( $comment, $args );
 	/**
@@ -1062,18 +1062,18 @@ function comment_text( $comment_ID = 0, $args = array() ) {
  * Retrieves the comment time of the current comment.
  *
  * @since 1.5.0
- * @since 6.2.0 Added the `$comment_ID` parameter.
+ * @since 6.2.0 Added the `$comment_id` parameter.
  *
  * @param string         $format     Optional. PHP date format. Defaults to the 'time_format' option.
  * @param bool           $gmt        Optional. Whether to use the GMT date. Default false.
  * @param bool           $translate  Optional. Whether to translate the time (for use in feeds).
  *                                   Default true.
- * @param int|WP_Comment $comment_ID Optional. WP_Comment or ID of the comment for which to get the time.
+ * @param int|WP_Comment $comment_id Optional. WP_Comment or ID of the comment for which to get the time.
  *                                   Default current comment.
  * @return string The formatted time.
  */
-function get_comment_time( $format = '', $gmt = false, $translate = true, $comment_ID = 0 ) {
-	$comment = get_comment( $comment_ID );
+function get_comment_time( $format = '', $gmt = false, $translate = true, $comment_id = 0 ) {
+	$comment = get_comment( $comment_id );
 
 	if ( null === $comment ) {
 		return '';
@@ -1103,28 +1103,28 @@ function get_comment_time( $format = '', $gmt = false, $translate = true, $comme
  * Displays the comment time of the current comment.
  *
  * @since 0.71
- * @since 6.2.0 Added the `$comment_ID` parameter.
+ * @since 6.2.0 Added the `$comment_id` parameter.
  *
  * @param string         $format     Optional. PHP time format. Defaults to the 'time_format' option.
- * @param int|WP_Comment $comment_ID Optional. WP_Comment or ID of the comment for which to get the time.
+ * @param int|WP_Comment $comment_id Optional. WP_Comment or ID of the comment for which to print the time.
  *                                   Default current comment.
  */
-function comment_time( $format = '', $comment_ID = 0 ) {
-	echo get_comment_time( $format, $comment_ID );
+function comment_time( $format = '', $comment_id = 0 ) {
+	echo get_comment_time( $format, $comment_id );
 }
 
 /**
  * Retrieves the comment type of the current comment.
  *
  * @since 1.5.0
- * @since 4.4.0 Added the ability for `$comment_ID` to also accept a WP_Comment object.
+ * @since 4.4.0 Added the ability for `$comment_id` to also accept a WP_Comment object.
  *
- * @param int|WP_Comment $comment_ID Optional. WP_Comment or ID of the comment for which to get the type.
+ * @param int|WP_Comment $comment_id Optional. WP_Comment or ID of the comment for which to get the type.
  *                                   Default current comment.
  * @return string The comment type.
  */
-function get_comment_type( $comment_ID = 0 ) {
-	$comment = get_comment( $comment_ID );
+function get_comment_type( $comment_id = 0 ) {
+	$comment = get_comment( $comment_id );
 
 	if ( '' === $comment->comment_type ) {
 		$comment->comment_type = 'comment';
@@ -1134,10 +1134,10 @@ function get_comment_type( $comment_ID = 0 ) {
 	 * Filters the returned comment type.
 	 *
 	 * @since 1.5.0
-	 * @since 4.1.0 The `$comment_ID` and `$comment` parameters were added.
+	 * @since 4.1.0 The `$comment_id` and `$comment` parameters were added.
 	 *
 	 * @param string     $comment_type The type of comment, such as 'comment', 'pingback', or 'trackback'.
-	 * @param string     $comment_ID   The comment ID as a numeric string.
+	 * @param string     $comment_id   The comment ID as a numeric string.
 	 * @param WP_Comment $comment      The comment object.
 	 */
 	return apply_filters( 'get_comment_type', $comment->comment_type, $comment->comment_ID, $comment );
diff --git a/wp-includes/comment.php b/wp-includes/comment.php
index e3d869e9f6..d09dc4967c 100644
--- a/wp-includes/comment.php
+++ b/wp-includes/comment.php
@@ -1039,7 +1039,7 @@ function get_comment_pages_count( $comments = null, $per_page = null, $threaded
  *
  * @global wpdb $wpdb WordPress database abstraction object.
  *
- * @param int   $comment_ID Comment ID.
+ * @param int   $comment_id Comment ID.
  * @param array $args {
  *     Array of optional arguments.
  *
@@ -1049,17 +1049,17 @@ function get_comment_pages_count( $comments = null, $per_page = null, $threaded
  *     @type int        $per_page  Per-page count to use when calculating pagination.
  *                                 Defaults to the value of the 'comments_per_page' option.
  *     @type int|string $max_depth If greater than 1, comment page will be determined
- *                                 for the top-level parent `$comment_ID`.
+ *                                 for the top-level parent `$comment_id`.
  *                                 Defaults to the value of the 'thread_comments_depth' option.
  * } *
  * @return int|null Comment page number or null on error.
  */
-function get_page_of_comment( $comment_ID, $args = array() ) {
+function get_page_of_comment( $comment_id, $args = array() ) {
 	global $wpdb;
 
 	$page = null;
 
-	$comment = get_comment( $comment_ID );
+	$comment = get_comment( $comment_id );
 	if ( ! $comment ) {
 		return;
 	}
@@ -1175,7 +1175,7 @@ function get_page_of_comment( $comment_ID, $args = array() ) {
 	 * Filters the calculated page on which a comment appears.
 	 *
 	 * @since 4.4.0
-	 * @since 4.7.0 Introduced the `$comment_ID` parameter.
+	 * @since 4.7.0 Introduced the `$comment_id` parameter.
 	 *
 	 * @param int   $page          Comment page.
 	 * @param array $args {
@@ -1196,9 +1196,9 @@ function get_page_of_comment( $comment_ID, $args = array() ) {
 	 *     @type int    $per_page  Number of comments per page.
 	 *     @type int    $max_depth Maximum comment threading depth allowed.
 	 * }
-	 * @param int $comment_ID ID of the comment.
+	 * @param int $comment_id ID of the comment.
 	 */
-	return apply_filters( 'get_page_of_comment', (int) $page, $args, $original_args, $comment_ID );
+	return apply_filters( 'get_page_of_comment', (int) $page, $args, $original_args, $comment_id );
 }
 
 /**
@@ -1837,7 +1837,7 @@ function wp_transition_comment_status( $new_status, $old_status, $comment ) {
 	 *
 	 * @since 2.7.0
 	 *
-	 * @param string     $comment_ID The comment ID as a numeric string.
+	 * @param string     $comment_id The comment ID as a numeric string.
 	 * @param WP_Comment $comment    Comment object.
 	 */
 	do_action( "comment_{$new_status}_{$comment->comment_type}", $comment->comment_ID, $comment );
@@ -2281,9 +2281,9 @@ function wp_new_comment( $commentdata, $wp_error = false ) {
 		return $commentdata['comment_approved'];
 	}
 
-	$comment_ID = wp_insert_comment( $commentdata );
+	$comment_id = wp_insert_comment( $commentdata );
 
-	if ( ! $comment_ID ) {
+	if ( ! $comment_id ) {
 		$fields = array( 'comment_author', 'comment_author_email', 'comment_author_url', 'comment_content' );
 
 		foreach ( $fields as $field ) {
@@ -2299,8 +2299,8 @@ function wp_new_comment( $commentdata, $wp_error = false ) {
 			return $commentdata['comment_approved'];
 		}
 
-		$comment_ID = wp_insert_comment( $commentdata );
-		if ( ! $comment_ID ) {
+		$comment_id = wp_insert_comment( $commentdata );
+		if ( ! $comment_id ) {
 			return false;
 		}
 	}
@@ -2311,13 +2311,13 @@ function wp_new_comment( $commentdata, $wp_error = false ) {
 	 * @since 1.2.0
 	 * @since 4.5.0 The `$commentdata` parameter was added.
 	 *
-	 * @param int        $comment_ID       The comment ID.
+	 * @param int        $comment_id       The comment ID.
 	 * @param int|string $comment_approved 1 if the comment is approved, 0 if not, 'spam' if spam.
 	 * @param array      $commentdata      Comment data.
 	 */
-	do_action( 'comment_post', $comment_ID, $commentdata['comment_approved'], $commentdata );
+	do_action( 'comment_post', $comment_id, $commentdata['comment_approved'], $commentdata );
 
-	return $comment_ID;
+	return $comment_id;
 }
 
 /**
@@ -2325,23 +2325,23 @@ function wp_new_comment( $commentdata, $wp_error = false ) {
  *
  * @since 4.4.0
  *
- * @param int $comment_ID ID of the comment.
+ * @param int $comment_id ID of the comment.
  * @return bool True on success, false on failure.
  */
-function wp_new_comment_notify_moderator( $comment_ID ) {
-	$comment = get_comment( $comment_ID );
+function wp_new_comment_notify_moderator( $comment_id ) {
+	$comment = get_comment( $comment_id );
 
 	// Only send notifications for pending comments.
 	$maybe_notify = ( '0' == $comment->comment_approved );
 
 	/** This filter is documented in wp-includes/comment.php */
-	$maybe_notify = apply_filters( 'notify_moderator', $maybe_notify, $comment_ID );
+	$maybe_notify = apply_filters( 'notify_moderator', $maybe_notify, $comment_id );
 
 	if ( ! $maybe_notify ) {
 		return false;
 	}
 
-	return wp_notify_moderator( $comment_ID );
+	return wp_notify_moderator( $comment_id );
 }
 
 /**
@@ -2352,11 +2352,11 @@ function wp_new_comment_notify_moderator( $comment_ID ) {
  * Uses the {@see 'notify_post_author'} filter to determine whether the post author
  * should be notified when a new comment is added, overriding site setting.
  *
- * @param int $comment_ID Comment ID.
+ * @param int $comment_id Comment ID.
  * @return bool True on success, false on failure.
  */
-function wp_new_comment_notify_postauthor( $comment_ID ) {
-	$comment = get_comment( $comment_ID );
+function wp_new_comment_notify_postauthor( $comment_id ) {
+	$comment = get_comment( $comment_id );
 
 	$maybe_notify = get_option( 'comments_notify' );
 
@@ -2367,9 +2367,9 @@ function wp_new_comment_notify_postauthor( $comment_ID ) {
 	 * @since 4.4.0
 	 *
 	 * @param bool $maybe_notify Whether to notify the post author about the new comment.
-	 * @param int  $comment_ID   The ID of the comment for the notification.
+	 * @param int  $comment_id   The ID of the comment for the notification.
 	 */
-	$maybe_notify = apply_filters( 'notify_post_author', $maybe_notify, $comment_ID );
+	$maybe_notify = apply_filters( 'notify_post_author', $maybe_notify, $comment_id );
 
 	/*
 	 * wp_notify_postauthor() checks if notifying the author of their own comment.
@@ -2384,7 +2384,7 @@ function wp_new_comment_notify_postauthor( $comment_ID ) {
 		return false;
 	}
 
-	return wp_notify_postauthor( $comment_ID );
+	return wp_notify_postauthor( $comment_id );
 }
 
 /**
diff --git a/wp-includes/deprecated.php b/wp-includes/deprecated.php
index 280083114c..8faf82eeed 100644
--- a/wp-includes/deprecated.php
+++ b/wp-includes/deprecated.php
@@ -1225,20 +1225,20 @@ function gzip_compression() {
 }
 
 /**
- * Retrieve an array of comment data about comment $comment_ID.
+ * Retrieve an array of comment data about comment $comment_id.
  *
  * @since 0.71
  * @deprecated 2.7.0 Use get_comment()
  * @see get_comment()
  *
- * @param int $comment_ID The ID of the comment
+ * @param int $comment_id The ID of the comment
  * @param int $no_cache Whether to use the cache (cast to bool)
  * @param bool $include_unapproved Whether to include unapproved comments
  * @return array The comment data
  */
-function get_commentdata( $comment_ID, $no_cache = 0, $include_unapproved = false ) {
+function get_commentdata( $comment_id, $no_cache = 0, $include_unapproved = false ) {
 	_deprecated_function( __FUNCTION__, '2.7.0', 'get_comment()' );
-	return get_comment($comment_ID, ARRAY_A);
+	return get_comment($comment_id, ARRAY_A);
 }
 
 /**
diff --git a/wp-includes/feed-rss2-comments.php b/wp-includes/feed-rss2-comments.php
index bf69a4d3ae..e0e664edaa 100644
--- a/wp-includes/feed-rss2-comments.php
+++ b/wp-includes/feed-rss2-comments.php
@@ -110,8 +110,8 @@ do_action( 'rss_tag_pre', 'rss2-comments' );
 		 *
 		 * @since 2.1.0
 		 *
-		 * @param int $comment_ID The ID of the comment being displayed.
-		 * @param int $ID         The ID of the post the comment is connected to.
+		 * @param int $comment_id      The ID of the comment being displayed.
+		 * @param int $comment_post_id The ID of the post the comment is connected to.
 		 */
 		do_action( 'commentrss2_item', $comment->comment_ID, $comment_post->ID );
 		?>
diff --git a/wp-includes/pluggable.php b/wp-includes/pluggable.php
index dff61669ed..db8b55acbf 100644
--- a/wp-includes/pluggable.php
+++ b/wp-includes/pluggable.php
@@ -1875,7 +1875,7 @@ if ( ! function_exists( 'wp_notify_moderator' ) ) :
 		 * @since 4.4.0
 		 *
 		 * @param bool $maybe_notify Whether to notify blog moderator.
-		 * @param int  $comment_ID   The id of the comment for the notification.
+		 * @param int  $comment_id   The ID of the comment for the notification.
 		 */
 		$maybe_notify = apply_filters( 'notify_moderator', $maybe_notify, $comment_id );
 
diff --git a/wp-includes/version.php b/wp-includes/version.php
index d3bff6203e..d5c09ffec6 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.2-beta1-55307';
+$wp_version = '6.2-beta1-55308';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.