Merge pull request #514 from Selion05/2.2

Update filters.md

Author: dunglas

core/filters.md

@@ -665,14 +665,22 @@ library. This library must be properly installed and registered to use this exam
 
 namespace App\Filter;
 
-use ApiPlatform\Core\Bridge\Doctrine\Orm\Filter\AbstractFilter;
+use ApiPlatform\Core\Bridge\Doctrine\Orm\Filter\AbstractContextAwareFilter;
 use ApiPlatform\Core\Bridge\Doctrine\Orm\Util\QueryNameGeneratorInterface;
 use Doctrine\ORM\QueryBuilder;
 
-final class RegexpFilter extends AbstractFilter
+final class RegexpFilter extends AbstractContextAwareFilter
 {
     protected function filterProperty(string $property, $value, QueryBuilder $queryBuilder, QueryNameGeneratorInterface $queryNameGenerator, string $resourceClass, string $operationName = null)
     {
+        // otherwise filter is applied to order and page as well
+        if (
+            !$this->isPropertyEnabled($property, $resourceClass) ||
+            !$this->isPropertyMapped($property, $resourceClass)
+        ) {
+            return;
+        }
+        
         $parameterName = $queryNameGenerator->generateParameterName($property); // Generate a unique parameter name to avoid collisions with other filters
         $queryBuilder
             ->andWhere(sprintf('REGEXP(o.%s, :%s) = 1', $property, $parameterName))