Improve some `wp-admin/includes/class-wp-filesystem-*.php` docs for `@param`.

See #30799.

Built from https://develop.svn.wordpress.org/trunk@30978


git-svn-id: http://core.svn.wordpress.org/trunk@30964 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-wp-filesystem-direct.php

@@ -394,7 +394,7 @@ class WP_Filesystem_Direct extends WP_Filesystem_Base {
 	/**
 	 * @param string $path
 	 * @param bool $recursive
-	 * @return type
+	 * @return bool
 	 */
 	public function rmdir($path, $recursive = false) {
 		return $this->delete($path, $recursive);

wp-admin/includes/class-wp-filesystem-ftpext.php

@@ -89,7 +89,7 @@ class WP_Filesystem_FTPext extends WP_Filesystem_Base {
 
 	/**
 	 * @param string $file
-	 * @return bool|string
+	 * @return false|string
 	 */
 	public function get_contents( $file ) {
 		$tempfile = wp_tempnam($file);

wp-admin/includes/class-wp-filesystem-ftpsockets.php

@@ -83,7 +83,7 @@ class WP_Filesystem_ftpsockets extends WP_Filesystem_Base {
 
 	/**
 	 * @param string $file
-	 * @return bool|string
+	 * @return false|string
 	 */
 	public function get_contents( $file ) {
 		if ( ! $this->exists($file) )

wp-admin/includes/class-wp-filesystem-ssh2.php

@@ -126,6 +126,7 @@ class WP_Filesystem_SSH2 extends WP_Filesystem_Base {
 	/**
 	 * @param string $command
 	 * @param bool $returnbool
+	 * @return bool|string
 	 */
 	public function run_command( $command, $returnbool = false) {
 
@@ -192,7 +193,7 @@ class WP_Filesystem_SSH2 extends WP_Filesystem_Base {
 
 	/**
 	 * @param string $dir
-	 * @return bool
+	 * @return bool|string
 	 */
 	public function chdir($dir) {
 		return $this->run_command('cd ' . $dir, true);
@@ -215,7 +216,7 @@ class WP_Filesystem_SSH2 extends WP_Filesystem_Base {
 	 * @param string $file
 	 * @param int $mode
 	 * @param bool $recursive
-	 * @return bool
+	 * @return bool|string
 	 */
 	public function chmod($file, $mode = false, $recursive = false) {
 		if ( ! $this->exists($file) )

wp-admin/includes/class-wp-posts-list-table.php

@@ -429,7 +429,7 @@ class WP_Posts_List_Table extends WP_List_Table {
 	 * @param array $pages
 	 * @param int $pagenum
 	 * @param int $per_page
-	 * @return bool|null
+	 * @return false|null
 	 */
 	private function _display_rows_hierarchical( $pages, $pagenum = 1, $per_page = 20 ) {
 		global $wpdb;