diff --git a/tests/README.md b/tests/README.md
index 332c7c34..29e669e9 100644
--- a/tests/README.md
+++ b/tests/README.md
@@ -4,10 +4,10 @@
 For installing the PHPUnit test by composer use the following:
 
     "require-dev": {
-        "smarty/smarty-phpunit": "3.1.18"
+        "smarty/smarty-phpunit": "3.1.20"
     }
 
-Replace 3.1.19 with the installed Smarty version number.
+Replace 3.1.20 with the installed Smarty version number.
 
 Starting with Smarty version 3.1.22 the "require-dev" section will be added
 to the composer.json file of the Smarty distribution.
diff --git a/tests/UnitTests/TemplateSource/TagTests/Php/CompilePhpTest.php b/tests/UnitTests/TemplateSource/TagTests/Php/CompilePhpTest.php
index 4bed0c8a..9e396eec 100644
--- a/tests/UnitTests/TemplateSource/TagTests/Php/CompilePhpTest.php
+++ b/tests/UnitTests/TemplateSource/TagTests/Php/CompilePhpTest.php
@@ -51,6 +51,16 @@ public function testPHP_REMOVEphp()
         $this->assertEquals("a echo 'hello world';e", $content, 'remove <% %>');
 
 
+    }
+    /**
+     * test <script language='php'>...</script> tag
+     * PHP_REMOVE
+     */
+    public function testPHP_REMOVEscript()
+    {
+        $this->smarty->setPhpHandling(Smarty::PHP_REMOVE);
+        $content = $this->smarty->fetch("string:a<script language='php'> echo 'hello world';</script>e");
+        $this->assertEquals("a echo 'hello world';e", $content, "remove <script language='php'>");
     }
     /**
      * test <?php...\> tag
@@ -75,6 +85,16 @@ public function testPHP_REMOVEphp()
          $content = $this->smarty->fetch("string:pa<% echo 'hello world';%>pe");
         $this->assertEquals("pa<% echo 'hello world';%>pe", $content, 'passthru <% %>');
     }
+    /**
+     * test <script language='php'>...</script> tag
+     * PHP_PASSTHRU
+     */
+    public function testPHP_PASSTHRUscript()
+    {
+        $this->smarty->setPhpHandling(Smarty::PHP_PASSTHRU);
+        $content = $this->smarty->fetch("string:pa<script language='php'> echo 'hello world';</script>pe");
+        $this->assertEquals("pa<script language=\'php\'> echo 'hello world';</script>pe", $content, "passthru <script language='php'>");
+    }
     /**
      * test <?php...\> tag
      * PHP_QUOTE
@@ -98,6 +118,16 @@ public function testPHP_REMOVEphp()
         $content = $this->smarty->fetch("string:qa<% echo 'hello world';%>qe");
         $this->assertEquals("qa&lt;% echo 'hello world';%&gt;qe", $content, 'qoute <% %>');
     }
+    /**
+     * test <script language='php'>...</script> tag
+     * PHP_QUOTE
+     */
+    public function testPHP_QUOTEscript()
+    {
+        $this->smarty->setPhpHandling(Smarty::PHP_QUOTE);
+        $content = $this->smarty->fetch("string:qa<script language='php'> echo 'hello world';</script>qe");
+        $this->assertEquals("qa&lt;script language=&#039;php&#039;&gt; echo 'hello world';&lt;/script&gt;qe", $content, "quote <script language='php'>");
+    }
     /**
      * test <?php...\> tag
      * PHP_ALLOW
@@ -120,6 +150,16 @@ public function testPHP_REMOVEphp()
         $content = $this->smartyBC->fetch("string:aa <% echo 'hello world';%> ae");
         $this->assertEquals('aa hello world ae', $content, 'allow <% %>');
     }
+    /**
+     * test <script language='php'>...</script> tag
+     * PHP_ALLOW
+     */
+    public function testPHP_ALLOWscript()
+    {
+        $this->smartyBC->setPhpHandling(Smarty::PHP_ALLOW);
+        $content = $this->smartyBC->fetch("string:aa <script language='php'> echo 'hello world';</script> ae");
+        $this->assertEquals('aa hello world ae', $content, "allow <script language='php'>");
+    }
     /**
      * test <?php...\> tag
      * PHP_ALLOW