lib/knj/arrayext.rb in knjrbfw-0.0.74 vs lib/knj/arrayext.rb in knjrbfw-0.0.75

@@ -58,10 +58,10 @@
   
   #Returns true if all keys in a hash are numeric objects.
   def self.hash_numeric_keys?(hash)
     all_num = true
     hash.each do |key, val|
-      if !Php4r.is_numeric(key)
+      if !(Float(key) rescue false)
         all_num = false
         break
       end
     end
     
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