Adding PHP syntax.

Closes issue #35.

lib/rocco.rb

@@ -208,48 +208,34 @@ class Rocco
   #
   # At the moment, we're only returning `:single`.  Consider this
   # groundwork for block comment parsing.
+  C_STYLE_COMMENTS = {
+    :single => "//",
+    :multi  => { :start => "/**", :middle => "*", :end => "*/" },
+    :heredoc => nil
+  }
   COMMENT_STYLES  = {
     "bash"          =>  { :single => "#", :multi => nil },
-    "c"             =>  {
+    "c"             =>  C_STYLE_COMMENTS,
-      :single => "//",
-      :multi  => { :start => "/**", :middle => "*", :end => "*/" },
-      :heredoc => nil
-    },
     "coffee-script" =>  {
       :single => "#",
       :multi  => { :start => "###", :middle => nil, :end => "###" },
       :heredoc => nil
     },
-    "cpp" =>  {
+    "cpp" =>  C_STYLE_COMMENTS,
-      :single => "//",
+    "csharp" => C_STYLE_COMMENTS,
-      :multi  => { :start => "/**", :middle => "*", :end => "*/" },
-      :heredoc => nil
-    },
-    "csharp" => {
-      :single => "//",
-      :multi  => { :start => "/**", :middle => "*", :end => "*/" },
-      :heredoc => nil
-    },
     "css"           =>  {
       :single => nil,
       :multi  => { :start => "/**", :middle => "*", :end => "*/" },
       :heredoc => nil
     },
-    "java"          =>  {
+    "java"          =>  C_STYLE_COMMENTS,
-      :single => "//",
+    "js"            =>  C_STYLE_COMMENTS,
-      :multi  => { :start => "/**", :middle => "*", :end => "*/" },
-      :heredoc => nil
-    },
-    "js"            =>  {
-      :single => "//",
-      :multi  => { :start => "/**", :middle => "*", :end => "*/" },
-      :heredoc => nil
-    },
     "lua"           =>  {
       :single => "--",
       :multi => nil,
       :heredoc => nil
     },
+    "php" => C_STYLE_COMMENTS,
     "python"        =>  {
       :single => "#",
       :multi  => { :start => '"""', :middle => nil, :end => '"""' },