Update PHP documentation (up to 7.0.10)

assets/stylesheets/pages/_php.scss

@@ -29,4 +29,6 @@
 
   div.warning { @extend %note, %note-red; }
   div.tip { @extend %note, %note-green; }
+
+  strong > code, dt > code { @extend %label; }
 }

lib/docs/scrapers/php.rb

@@ -4,7 +4,7 @@ module Docs
 
     self.name = 'PHP'
     self.type = 'php'
-    self.release = 'up to 7.0.8'
+    self.release = 'up to 7.0.10'
     self.base_url = 'https://secure.php.net/manual/en/'
     self.root_path = 'index.html'
     self.initial_paths = %w(