[ rails ] params.permit

 

params

# $_GET Example : { id: 'test', attr1: 'val1', attr2: 'val2', attr3: 'val3' }

 

params.permit(:id, :attr1, :attr2)

# { id: 'test', attr1: 'val1', attr2: 'val2' }

ref : http://api.rubyonrails.org/classes/ActionController/Parameters.html

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