diff -r be944660c56a -r 3d72ae0968f4 wp/wp-admin/includes/class-wp-list-table.php
--- a/wp/wp-admin/includes/class-wp-list-table.php	Wed Sep 21 18:19:35 2022 +0200
+++ b/wp/wp-admin/includes/class-wp-list-table.php	Tue Sep 27 16:37:53 2022 +0200
@@ -207,12 +207,14 @@
 	 * @since 4.0.0
 	 *
 	 * @param string $name Property to check if set.
-	 * @return bool Whether the property is set.
+	 * @return bool Whether the property is a back-compat property and it is set.
 	 */
 	public function __isset( $name ) {
 		if ( in_array( $name, $this->compat_fields, true ) ) {
 			return isset( $this->$name );
 		}
+
+		return false;
 	}
 
 	/**
@@ -313,6 +315,8 @@
 		if ( isset( $this->_pagination_args[ $key ] ) ) {
 			return $this->_pagination_args[ $key ];
 		}
+
+		return 0;
 	}
 
 	/**
@@ -819,14 +823,14 @@
 	 *
 	 * @since 3.1.0
 	 *
-	 * @param string $option
-	 * @param int    $default
+	 * @param string $option        User option name.
+	 * @param int    $default_value Optional. The number of items to display. Default 20.
 	 * @return int
 	 */
-	protected function get_items_per_page( $option, $default = 20 ) {
+	protected function get_items_per_page( $option, $default_value = 20 ) {
 		$per_page = (int) get_user_option( $option );
 		if ( empty( $per_page ) || $per_page < 1 ) {
-			$per_page = $default;
+			$per_page = $default_value;
 		}
 
 		/**
@@ -906,16 +910,10 @@
 			$disable_first = true;
 			$disable_prev  = true;
 		}
-		if ( 2 == $current ) {
-			$disable_first = true;
-		}
 		if ( $total_pages == $current ) {
 			$disable_last = true;
 			$disable_next = true;
 		}
-		if ( $total_pages - 1 == $current ) {
-			$disable_last = true;
-		}
 
 		if ( $disable_first ) {
 			$page_links[] = '<span class="tablenav-pages-navspan button disabled" aria-hidden="true">&laquo;</span>';