<?xml version="1.0" encoding="iso-8859-1"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html> <head> <title>validates_each (ActiveRecord::Validations::ClassMethods)</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> <link rel="stylesheet" href="../../../.././rdoc-style.css" type="text/css" media="screen" /> </head> <body class="standalone-code"> <pre><span class="ruby-comment cmt"># File lib/active_record/validations.rb, line 459</span> <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">validates_each</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">attrs</span>) <span class="ruby-identifier">options</span> = <span class="ruby-identifier">attrs</span>.<span class="ruby-identifier">extract_options!</span>.<span class="ruby-identifier">symbolize_keys</span> <span class="ruby-identifier">attrs</span> = <span class="ruby-identifier">attrs</span>.<span class="ruby-identifier">flatten</span> <span class="ruby-comment cmt"># Declare the validation.</span> <span class="ruby-identifier">send</span>(<span class="ruby-identifier">validation_method</span>(<span class="ruby-identifier">options</span>[<span class="ruby-identifier">:on</span>] <span class="ruby-operator">||</span> <span class="ruby-identifier">:save</span>), <span class="ruby-identifier">options</span>) <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">record</span><span class="ruby-operator">|</span> <span class="ruby-identifier">attrs</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">attr</span><span class="ruby-operator">|</span> <span class="ruby-identifier">value</span> = <span class="ruby-identifier">record</span>.<span class="ruby-identifier">send</span>(<span class="ruby-identifier">attr</span>) <span class="ruby-keyword kw">next</span> <span class="ruby-keyword kw">if</span> (<span class="ruby-identifier">value</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:allow_nil</span>]) <span class="ruby-operator">||</span> (<span class="ruby-identifier">value</span>.<span class="ruby-identifier">blank?</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">options</span>[<span class="ruby-identifier">:allow_blank</span>]) <span class="ruby-keyword kw">yield</span> <span class="ruby-identifier">record</span>, <span class="ruby-identifier">attr</span>, <span class="ruby-identifier">value</span> <span class="ruby-keyword kw">end</span> <span class="ruby-keyword kw">end</span> <span class="ruby-keyword kw">end</span></pre> </body> </html>