Add missing PHPdoc return types

Author: wouterj

ClassExistsMock.php

@@ -41,27 +41,39 @@ public static function withMockedEnums(array $enums)
         self::$classes += $enums;
     }
 
+    /**
+     * @return bool
+     */
     public static function class_exists($name, $autoload = true)
     {
         $name = ltrim($name, '\\');
 
         return isset(self::$classes[$name]) ? (bool) self::$classes[$name] : \class_exists($name, $autoload);
     }
 
+    /**
+     * @return bool
+     */
     public static function interface_exists($name, $autoload = true)
     {
         $name = ltrim($name, '\\');
 
         return isset(self::$classes[$name]) ? (bool) self::$classes[$name] : \interface_exists($name, $autoload);
     }
 
+    /**
+     * @return bool
+     */
     public static function trait_exists($name, $autoload = true)
     {
         $name = ltrim($name, '\\');
 
         return isset(self::$classes[$name]) ? (bool) self::$classes[$name] : \trait_exists($name, $autoload);
     }
 
+    /**
+     * @return bool
+     */
     public static function enum_exists($name, $autoload = true)
     {
         $name = ltrim($name, '\\');

ClockMock.php

@@ -19,6 +19,9 @@ class ClockMock
 {
     private static $now;
 
+    /**
+     * @return bool|null
+     */
     public static function withClockMock($enable = null)
     {
         if (null === $enable) {
@@ -30,6 +33,9 @@ public static function withClockMock($enable = null)
         return null;
     }
 
+    /**
+     * @return int
+     */
     public static function time()
     {
         if (null === self::$now) {
@@ -39,6 +45,9 @@ public static function time()
         return (int) self::$now;
     }
 
+    /**
+     * @return int
+     */
     public static function sleep($s)
     {
         if (null === self::$now) {
@@ -72,6 +81,9 @@ public static function microtime($asFloat = false)
         return sprintf('%0.6f00 %d', self::$now - (int) self::$now, (int) self::$now);
     }
 
+    /**
+     * @return string
+     */
     public static function date($format, $timestamp = null)
     {
         if (null === $timestamp) {
@@ -81,6 +93,9 @@ public static function date($format, $timestamp = null)
         return \date($format, $timestamp);
     }
 
+    /**
+     * @return string
+     */
     public static function gmdate($format, $timestamp = null)
     {
         if (null === $timestamp) {
@@ -90,6 +105,9 @@ public static function gmdate($format, $timestamp = null)
         return \gmdate($format, $timestamp);
     }
 
+    /**
+     * @return array|int|float
+     */
     public static function hrtime($asNumber = false)
     {
         $ns = (self::$now - (int) self::$now) * 1000000000;

DnsMock.php

@@ -42,6 +42,9 @@ public static function withMockedHosts(array $hosts)
         self::$hosts = $hosts;
     }
 
+    /**
+     * @return bool
+     */
     public static function checkdnsrr($hostname, $type = 'MX')
     {
         if (!self::$hosts) {
@@ -63,6 +66,9 @@ public static function checkdnsrr($hostname, $type = 'MX')
         return false;
     }
 
+    /**
+     * @return bool
+     */
     public static function getmxrr($hostname, &$mxhosts, &$weight = null)
     {
         if (!self::$hosts) {