form_input_field(:password_field, :user, :password, "Enter Password")
# => <label for="user_password">Enter Password</label><input type="password" name="user[password]" id="user_password" />

form_input_field(:password_field, :user, :password)
# => <input type="password" name="user[password]" id="user_password" />

form_input_field(:text_field, :login, :name, false, { :class => 'tag-class'})
# => <input class="tag-class" type="text" name="login[name]" id="login_name" />

form_input_field(:text_area, :applicant, :statement, label_text: "Tell us why you're interested:", options: { :class => 'form-input' }, label_options: { style: "font-weight:bold;color:grey;"})
# => <label style="font-weight:bold;color:grey;" for="applicant_statement">Tell us why you're interested:</label><textarea class="form-input" name="applicant[statement]" id="applicant_statement">n</textarea>

# The following three examples produce the same output:
form_input_field(:email_field, "user", "email", "Input Email", {:class => "form-control", :placeholder => "Your Email", :disabled => false}, {:class => "input-group-text"})
# => <label class="input-group-text" for="user_email">Input Email</label><input class="form-control" placeholder="Your Email" type="email" name="user[email]" id="user_email" />

form_input_field(:email_field, :user, :email, label_text: "Input Email", options: {:class => "form-control", :placeholder => "Your Email", :disabled => false}, label_options: {:class => "input-group-text"})
# => <label class="input-group-text" for="user_email">Input Email</label><input class="form-control" placeholder="Your Email" type="email" name="user[email]" id="user_email" />

form_input_field(:email_field, :user, :email, label_options: {:class => "input-group-text"}, options: {:class => "form-control", :placeholder => "Your Email", :disabled => false}, label_text: "Input Email")
# => <label class="input-group-text" for="user_email">Input Email</label><input class="form-control" placeholder="Your Email" type="email" name="user[email]" id="user_email" />"
#--- --- ---

form_input_field(:url_field, :user, :home_page)
# if flash[:values] contains {:home_page => "www.example.com"} OR if flash[:values] contains "www.example.com":
# => <input value="www.example.com" type="url" name="user[home_page]" id="user_home_page" />

form_input_field(:url_field, :user, :home_page, value_key: :info)
# if flash[:info] contains {:home_page => "www.example.com"} OR if flash[:info] contains "www.example.com":
# => <input value="www.example.com" type="url" name="user[home_page]" id="user_home_page" />