Additional test case for capital O when expressing explicit octal values

Author: MarkBaker

tests/Core/Tokenizer/BackfillExplicitOctalNotationTest.inc

@@ -1,4 +1,7 @@
 <?php
 
-/* testExplicitOctal declaration */
+/* testExplicitOctal */
 $foo = 0o137041;
+
+/* testExplicitOctal capitalised */
+$bar = 0O137041;

tests/Core/Tokenizer/BackfillExplicitOctalNotationTest.php

@@ -50,11 +50,18 @@ public function dataExplicitOctalNotation()
         return [
             [
                 [
-                    'marker' => '/* testExplicitOctal declaration */',
+                    'marker' => '/* testExplicitOctal */',
                     'type'   => 'T_LNUMBER',
                     'value'  => '0o137041',
                 ],
             ],
+            [
+                [
+                    'marker' => '/* testExplicitOctal capitalised */',
+                    'type'   => 'T_LNUMBER',
+                    'value'  => '0O137041',
+                ],
+            ],
         ];
 
     }//end dataExplicitOctalNotation()