diff --git a/activesupport/lib/active_support/core_ext/array/conversions.rb b/activesupport/lib/active_support/core_ext/array/conversions.rb
index b7d4434e85e453f9f28f9e756446973c49fbd237..c828e84112abdbb574dd23f620e64ea13cd2607b 100644
--- a/activesupport/lib/active_support/core_ext/array/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/array/conversions.rb
@@ -29,6 +29,15 @@ def to_param
join '/'
end
+ # Converts an array into a string suitable for use as a URL query string, using the given key as the
+ # param name.
+ #
+ # ==== Example:
+ # ['Rails', 'coding'].to_query('hobbies') => "hobbies%5B%5D=Rails&hobbies%5B%5D=coding"
+ def to_query(key)
+ collect { |value| value.to_query("#{key}[]") } * '&'
+ end
+
def self.included(base) #:nodoc:
base.class_eval do
alias_method :to_default_s, :to_s
diff --git a/activesupport/lib/active_support/core_ext/hash/conversions.rb b/activesupport/lib/active_support/core_ext/hash/conversions.rb
index e196c5d7b943baab18ed6015dd8fc9494fdbc936..8021dfa87addfc34b0936b6c438b0db51311a5ac 100644
--- a/activesupport/lib/active_support/core_ext/hash/conversions.rb
+++ b/activesupport/lib/active_support/core_ext/hash/conversions.rb
@@ -4,23 +4,6 @@
require 'builder'
require 'xmlsimple'
-# Extensions needed for Hash#to_query
-class Object
- def to_param #:nodoc:
- to_s
- end
-
- def to_query(key) #:nodoc:
- "#{CGI.escape(key.to_s)}=#{CGI.escape(to_param.to_s)}"
- end
-end
-
-class Array
- def to_query(key) #:nodoc:
- collect { |value| value.to_query("#{key}[]") } * '&'
- end
-end
-
# Locked down XmlSimple#xml_in_string
class XmlSimple
# Same as xml_in but doesn't try to smartly shoot itself in the foot.
@@ -100,6 +83,13 @@ def self.included(klass)
klass.extend(ClassMethods)
end
+ # Converts a hash into a string suitable for use as a URL query string. An optional namespace can be
+ # passed to enclose the param names (see example below).
+ #
+ # ==== Example:
+ # { :name => 'David', :nationality => 'Danish' }.to_query # => "name=David&nationality=Danish"
+ #
+ # { :name => 'David', :nationality => 'Danish' }.to_query('user') # => "user%5Bname%5D=David&user%5Bnationality%5D=Danish"
def to_query(namespace = nil)
collect do |key, value|
value.to_query(namespace ? "#{namespace}[#{key}]" : key)
diff --git a/activesupport/lib/active_support/core_ext/object.rb b/activesupport/lib/active_support/core_ext/object.rb
index 3b055d31851b45affaad8cf5d513ee0ed5f40fb5..bbc7d8167296a8fd453a57a3aac4e8ed3b4dc419 100644
--- a/activesupport/lib/active_support/core_ext/object.rb
+++ b/activesupport/lib/active_support/core_ext/object.rb
@@ -1,3 +1,4 @@
+require 'active_support/core_ext/object/conversions'
require 'active_support/core_ext/object/extending'
require 'active_support/core_ext/object/instance_variables'
require 'active_support/core_ext/object/misc'