Symfony Form / FormBuilder: How to add an option or attribute to multiple form fields

Question

I want to add a stylesheet class attribute to most of the fields, but not all.

public function buildForm(FormBuilder $builder, array $options)
{
    $builder
        ->add('name_short', null, ['attr' => ['class' => 'rtl']] )
        ->add('name_long')
        ->add('profile_education')
        ->add('profile_work')
        ->add('profile_political')
        ->add('twitter')
        ->add('facebook')
        ->add('website')
    ;
}

Is there a simpler way than adding the attribute ['attr' => ['class' => 'rtl']] to every field? Looking for something like looping the fields and setting the attribute after adding the field to the builder.

Thanks for any pointers.

virtualize · Accepted Answer · 2022-04-15 16:34:45Z

2

Came across this and remembered that I recently found a way that works.
Basically iterating over all fields removing and re-adding them with merged options.
Take this example below.

public function buildForm(FormBuilder $builder, array $options)
{
    $builder
        ->add('name_short')
        ->add('name_long')
        ->add('profile_education')
        ->add('profile_work')
        ->add('profile_political')
        ->add('twitter')
        ->add('facebook')
        ->add('website')
    ;
    
    $commonOptions = array('attr' => array('class' => 'rtl'));
    
    foreach($builder->all() as $key => $field)
    {
        $options = $field->getOptions();
        $options = array_replace_recursive($options, $commonOptions);
        
        $builder->remove($key);
        $builder->add($key, get_class($field->getType()->getInnerType()), $options);
    }    
}

Edit: Updated to work with Symfony 3, 4, 5 & 6. Thanks @Massimiliano Arione

edited Apr 15, 2022 at 16:34

answered Jan 13, 2014 at 16:41

virtualize

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2 Comments

pjehan Over a year ago

I've try your solution but getting "Could not load type [fieldName]". It works though if I replace the last line with: $builder->add($key, $field->getDataClass(), $options);

Massimiliano Arione Over a year ago

Tried with Symfony 3.4, I had to use $builder->add($key, \get_class($field->getType()->getInnerType()), $options); instead

Emii Khaos · Accepted Answer · 2013-05-09 20:21:34Z

0

You can do this while constructing the form. Simply hold the field names in an array. If you need to assign different field types, then use an associative array instead.

public function buildForm(FormBuilder $builder, array $options)
{
    $fields = array('name_short', 'profile_education', 'profile_work', 'profile_political', 'twitter', 'facebook', 'website');

    foreach ($fields as $field) {
        $builder->add($fields, null, array('attr' => array('class' => 'rtl')));
    }
}

answered May 9, 2013 at 20:21

Emii Khaos

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2 Comments

virtualize Over a year ago

Thanks. Unfortunately that not the answer I was looking for. Is there no way to alter a field once its been added to the builder via add()?

Emii Khaos Over a year ago

Unfortunately there is no other way. You can dig yourself trough the form builder code, I didn't found a solution.

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