diff --git a/src/bindings/php/Tests/WhitespaceTest.php b/src/bindings/php/Tests/WhitespaceTest.php
new file mode 100644
index 0000000..64da3a2
--- /dev/null
+++ b/src/bindings/php/Tests/WhitespaceTest.php
@@ -0,0 +1,44 @@
+<?php
+include_once 'hammer.php';
+
+class WhitespaceTest extends PHPUnit_Framework_TestCase
+{
+    protected $parser1;
+    protected $parser2;
+    
+    protected function setUp()
+    {
+        $this->parser1 = h_whitespace(h_ch("a"));
+        $this->parser2 = h_whitespace(h_end_p());
+    }
+    public function testSuccess1()
+    {
+        $result1 = h_parse($this->parser1, "a");
+        $result2 = h_parse($this->parser1, " a");
+        $result3 = h_parse($this->parser1, "  a");
+        $result4 = h_parse($this->parser1, "\ta");
+        // TODO fix these tests when h_ch is fixed
+        $this->assertEquals(97, $result1);
+        $this->assertEquals(97, $result2);
+        $this->assertEquals(97, $result3);
+        $this->assertEquals(97, $result4);
+    }
+    public function testFailure1()
+    {
+        $result = h_parse($this->parser1, "_a");
+        $this->assertEquals(NULL, $result);
+    }
+    public function testSuccess2()
+    {
+        $result1 = h_parse($this->parser2, "");
+        $result2 = h_parse($this->parser2, "  ");
+        $this->assertEquals(NULL, $result1);
+        $this->assertEquals(NULL, $result2);
+    }
+    public function testFailure2()
+    {
+        $result = h_parse($this->parser2, "  x");
+        $this->assertEquals(NULL, $result);
+    }
+}
+?>
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