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  1. PO
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    <p>I would create a custom validation constraint which applies constraints on each key-value pair (or key only if you want to) in array. Similar to <code>All</code> constraint, but validation is performed on key-value pair, not value only.</p> <pre><code>namespace GLS\DemoBundle\Validator\Constraints; use Symfony\Component\Validator\Constraint; use Symfony\Component\Validator\Exception\ConstraintDefinitionException; class AssocAll extends Constraint { public $constraints = array(); public function __construct($options = null) { parent::__construct($options); if (! is_array($this-&gt;constraints)) { $this-&gt;constraints = array($this-&gt;constraints); } foreach ($this-&gt;constraints as $constraint) { if (!$constraint instanceof Constraint) { throw new ConstraintDefinitionException('The value ' . $constraint . ' is not an instance of Constraint in constraint ' . __CLASS__); } } } public function getDefaultOption() { return 'constraints'; } public function getRequiredOptions() { return array('constraints'); } } </code></pre> <p>Constraint validator, which passes an array with key-value pair to each constraint:</p> <pre><code>namespace GLS\DemooBundle\Validator\Constraints; use Symfony\Component\Validator\Constraint; use Symfony\Component\Validator\ConstraintValidator; use Symfony\Component\Validator\Exception\UnexpectedTypeException; class AssocAllValidator extends ConstraintValidator { public function validate($value, Constraint $constraint) { if (null === $value) { return; } if (!is_array($value) &amp;&amp; !$value instanceof \Traversable) { throw new UnexpectedTypeException($value, 'array or Traversable'); } $walker = $this-&gt;context-&gt;getGraphWalker(); $group = $this-&gt;context-&gt;getGroup(); $propertyPath = $this-&gt;context-&gt;getPropertyPath(); foreach ($value as $key =&gt; $element) { foreach ($constraint-&gt;constraints as $constr) { $walker-&gt;walkConstraint($constr, array($key, $element), $group, $propertyPath.'['.$key.']'); } } } } </code></pre> <p>I guess, only <code>Callback</code> constraint makes sense to be applied on each key-value pair, where you put your validation logic.</p> <pre><code>use GLS\DemoBundle\Validator\Constraints\AssocAll; $validator = Validation::createValidator(); $constraint = new Constraints\Collection(array( 'emails' =&gt; new AssocAll(array( new Constraints\Callback(array( 'methods' =&gt; array(function($item, ExecutionContext $context) { $key = $item[0]; $value = $item[1]; //your validation logic goes here //... } ))), )), 'user' =&gt; new Constraints\Regex('/^[a-z]+$/i'), 'amount' =&gt; new Constraints\Range(['min' =&gt; 5, 'max' =&gt; 10]), )); $violations = $validator-&gt;validateValue($input, $constraint); var_dump($violations); </code></pre>
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    1. POHow can I validate array keys using Symfony Validation?
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    1. USgatisl
    1. USgatisl
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    1. POHow can I validate array keys using Symfony Validation?
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    1. VO
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    1. COSeems `getGraphWalker` has been deprecated and removed.
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      1. USPetah
 

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