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POHow to handle Symfony form collection with 500+ items
 

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  1. POHow to handle Symfony form collection with 500+ items
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    <p>I have form collection which need to handle more than 500 entity instances. After I increased timeout to 60s and increased max_input_vars form work but it is annoying how slow it is. Rendering form is slow but submitting that big form is pain in the ass.</p> <p>I was considering creating plain HTML form but there is some other drawback suck as validation. So, is there any proper way to handle that big set of data via symfony form ?</p> <p>CONTROLLER:</p> <pre><code>public function ratesCardAction() { $bannerList = $this-&gt;data; $em = $this-&gt;getDoctrine()-&gt;getManager(); $form = $this-&gt;createForm(new AdvertiserRatesType($bannerList)); if ('POST' == $this-&gt;getRequest()-&gt;getMethod()) { $form-&gt;handleRequest($this-&gt;getRequest()); $advertiserCampaign = $form-&gt;getData(); if ($form-&gt;isValid()) { foreach ($advertiserCampaign['campaignsAdZones'] as $campaignAdZone) { $em-&gt;persist($campaignAdZone); } $em-&gt;flush(); } } return array( 'form' =&gt; $form-&gt;createView() ); } class AdvertiserRatesType extends AbstractType { public function buildForm(FormBuilderInterface $builder, array $options) { $builder -&gt;add('campaignsAdZones', 'collection', array( 'type' =&gt; new AdvertiserRatePerCountryType(), 'data' =&gt; $this-&gt;rates, 'empty_data' =&gt; null, 'options' =&gt; array( 'attr' =&gt; array('class' =&gt; 'campaignAdZoneItem') ) )) ; } } </code></pre> <p>...</p> <p>and embedded form looks like:</p> <pre><code>public function buildForm(FormBuilderInterface $builder, array $options) { $builder-&gt;add('class', 'entity', array( 'class' =&gt; 'AcmeCmsBundle:PublisherTypes', 'property' =&gt; 'class', 'read_only' =&gt; true, 'disabled' =&gt; true ) ) -&gt;add('country', 'entity', array( 'class' =&gt; 'AcmeCmsBundle:Countries', 'property' =&gt; 'name', ) ) -&gt;add('text1') -&gt;add('text2') ; } public function setDefaultOptions(OptionsResolverInterface $resolver) { $resolver-&gt;setDefaults(array( 'data_class' =&gt; 'Acme\CmsBundle\Entity\Rates' )); } </code></pre>
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    1. COIn what specific place you have 500+ entities(500 countries, 500 types, or in collection 500 items)? How many calls to the database is going on?
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    2. COI have 500 items inside collection. So, my POST request data has 500 instances of Acme\CmsBundle\Entity\Rates object: array(0=>Acme\CmsBundle\Entity\Rates, 1=>Acme\CmsBundle\Entity\Rates, .... 500=>Acme\CmsBundle\Entity\Rates)
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    3. COYou should try to split the form into small pieces with something like a pagination.
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      1. USjovobe
 

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