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POHow to validate two instances of the same entity?
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2013-03-04T11:47:21.920
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<h1>Use case</h1> <p>I am learning Symfony2 and am creating a Table Tennis tracking app to learn the framework. I have configured my entities as follows. </p> <pre><code>Player 1..n Result n..1 Match </code></pre> <p>On my form I'd like to validate that the scores for a match are correct.</p> <h1>Implementation</h1> <p><code>Match</code> has an <code>ArrayCollection()</code> of <code>results</code>. </p> <p>My <code>MatchType</code> and <code>ResultType</code> forms contain the following.</p> <pre><code> // Form\MatchType $builder->add('matchType', 'entity', array( 'class' => 'PingPongMatchesBundle:MatchType', 'property' => 'name', ) ) ->add('results', 'collection', array( 'type' => new ResultType(), 'allow_add' => true, 'by_reference' => false, ) ) ->add('notes'); // Form\ResultType $builder->add('player', 'entity', array( 'class' => 'PingPongPlayerBundle:Player', 'query_builder' => function(EntityRepository $er) { return $er->createQueryBuilder('p') ->orderBy('p.firstName', 'ASC'); }, )) ->add('score'); </code></pre> <h1>Issue</h1> <p>I need to be able to validate the scores. However I'm not sure how to approach this type of validation as I need to compare two instances of my <code>Result#score</code> in order to know if they are valid or not. </p> <p>Is anyone able to suggest a method or approach that I could use in order to be able to compare <code>Result#score</code> between the two different instances? Can I validate the <code>ArrayCollection</code> in the <code>Match</code> entity for example?</p>
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<symfony><symfony-2.2>
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How to validate two instances of the same entity?
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