Apply php-cs-fixer rule for array_key_exists()

Author: nicolas-grekas

Constraint.php

@@ -122,7 +122,7 @@ public function __construct($options = null)
         }
         if ($options && \is_array($options) && \is_string(key($options))) {
             foreach ($options as $option => $value) {
-                if (array_key_exists($option, $knownOptions)) {
+                if (\array_key_exists($option, $knownOptions)) {
                     $this->$option = $value;
                     unset($missingOptions[$option]);
                 } else {
@@ -136,7 +136,7 @@ public function __construct($options = null)
                 throw new ConstraintDefinitionException(sprintf('No default option is configured for constraint %s', \get_class($this)));
             }
 
-            if (array_key_exists($option, $knownOptions)) {
+            if (\array_key_exists($option, $knownOptions)) {
                 $this->$option = $options;
                 unset($missingOptions[$option]);
             } else {

Constraints/CollectionValidator.php

@@ -50,7 +50,7 @@ public function validate($value, Constraint $constraint)
 
         foreach ($constraint->fields as $field => $fieldConstraint) {
             // bug fix issue #2779
-            $existsInArray = \is_array($value) && array_key_exists($field, $value);
+            $existsInArray = \is_array($value) && \array_key_exists($field, $value);
             $existsInArrayAccess = $value instanceof \ArrayAccess && $value->offsetExists($field);
 
             if ($existsInArray || $existsInArrayAccess) {

Constraints/IbanValidator.php

@@ -181,7 +181,7 @@ public function validate($value, Constraint $constraint)
         }
 
         // ...have a format available
-        if (!array_key_exists($countryCode, self::$formats)) {
+        if (!\array_key_exists($countryCode, self::$formats)) {
             $this->context->buildViolation($constraint->message)
                 ->setParameter('{{ value }}', $this->formatValue($value))
                 ->setCode(Iban::NOT_SUPPORTED_COUNTRY_CODE_ERROR)

Constraints/Traverse.php

@@ -25,7 +25,7 @@ class Traverse extends Constraint
 
     public function __construct($options = null)
     {
-        if (\is_array($options) && array_key_exists('groups', $options)) {
+        if (\is_array($options) && \array_key_exists('groups', $options)) {
             throw new ConstraintDefinitionException(sprintf('The option "groups" is not supported by the constraint %s', __CLASS__));
         }
 

Mapping/ClassMetadata.php

@@ -371,7 +371,7 @@ public function mergeConstraints(self $source)
      */
     public function hasPropertyMetadata($property)
     {
-        return array_key_exists($property, $this->members);
+        return \array_key_exists($property, $this->members);
     }
 
     /**

Tests/Fixtures/CustomArrayObject.php

@@ -26,7 +26,7 @@ public function __construct(array $array = null)
 
     public function offsetExists($offset)
     {
-        return array_key_exists($offset, $this->array);
+        return \array_key_exists($offset, $this->array);
     }
 
     public function offsetGet($offset)