Added truthy

Author: Undalevein

php/test.ps1

@@ -13,11 +13,12 @@ php "$PSScriptRoot\clockhands.php" |
     Compare-Object (Get-Content "$PSScriptRoot\..\test\clockhands_expected") |
     Assert-MatchTests &&
 php "$PSScriptRoot\hello_world.php" &&
-php "$PSScriptRoot\html_escaping" &&
+php "$PSScriptRoot\html_escaping.php" &&
 php "$PSScriptRoot\ternary_madness.php" &&
 php "$PSScriptRoot\triples.php" | 
     Compare-Object (Get-Content "$PSScriptRoot\..\test\triple_expected") | 
     Assert-MatchTests &&
+php "$PSScriptRoot\truthy.php"
 ForEach-Object 'foo'
 
 if ($Error -or !$?) {

php/truthy.php

@@ -0,0 +1,22 @@
+<?php
+    // Falsy for different types
+    var_dump(boolval(NULL));
+    var_dump(boolval(FALSE));
+    var_dump(boolval(0));
+    var_dump(boolval(-0));
+    var_dump(boolval(0.0));
+    var_dump(boolval(-0.0));
+    var_dump(boolval(""));
+    var_dump(boolval("0"));
+    var_dump(boolval([]));
+
+    // Truthy for different types
+    var_dump(boolval(TRUE));
+    var_dump(boolval(1));
+    var_dump(boolval(-1));
+    var_dump(boolval(NAN));
+    var_dump(boolval(INF));
+    var_dump(boolval(-INF));
+    var_dump(boolval("FALSE"));
+    var_dump(boolval([0]));
+?>