Apply php-cs-fixer rule for array_key_exists()

Author: nicolas-grekas

Definition/ArrayNode.php

@@ -59,7 +59,7 @@ protected function preNormalize($value)
         $normalized = [];
 
         foreach ($value as $k => $v) {
-            if (false !== strpos($k, '-') && false === strpos($k, '_') && !array_key_exists($normalizedKey = str_replace('-', '_', $k), $value)) {
+            if (false !== strpos($k, '-') && false === strpos($k, '_') && !\array_key_exists($normalizedKey = str_replace('-', '_', $k), $value)) {
                 $normalized[$normalizedKey] = $v;
             } else {
                 $normalized[$k] = $v;
@@ -223,7 +223,7 @@ protected function finalizeValue($value)
         }
 
         foreach ($this->children as $name => $child) {
-            if (!array_key_exists($name, $value)) {
+            if (!\array_key_exists($name, $value)) {
                 if ($child->isRequired()) {
                     $ex = new InvalidConfigurationException(sprintf('The child node "%s" at path "%s" must be configured.', $name, $this->getPath()));
                     $ex->setPath($this->getPath());
@@ -359,7 +359,7 @@ protected function mergeValues($leftSide, $rightSide)
 
         foreach ($rightSide as $k => $v) {
             // no conflict
-            if (!array_key_exists($k, $leftSide)) {
+            if (!\array_key_exists($k, $leftSide)) {
                 if (!$this->allowNewKeys) {
                     $ex = new InvalidConfigurationException(sprintf('You are not allowed to define new elements for path "%s". Please define all elements for this path in one config file. If you are trying to overwrite an element, make sure you redefine it with the same name.', $this->getPath()));
                     $ex->setPath($this->getPath());

Definition/PrototypedArrayNode.php

@@ -245,7 +245,7 @@ protected function normalizeValue($value)
                     // if only "value" is left
                     if (array_keys($v) === ['value']) {
                         $v = $v['value'];
-                        if ($this->prototype instanceof ArrayNode && ($children = $this->prototype->getChildren()) && array_key_exists('value', $children)) {
+                        if ($this->prototype instanceof ArrayNode && ($children = $this->prototype->getChildren()) && \array_key_exists('value', $children)) {
                             $valuePrototype = current($this->valuePrototypes) ?: clone $children['value'];
                             $valuePrototype->parent = $this;
                             $originalClosures = $this->prototype->normalizationClosures;
@@ -258,7 +258,7 @@ protected function normalizeValue($value)
                     }
                 }
 
-                if (array_key_exists($k, $normalized)) {
+                if (\array_key_exists($k, $normalized)) {
                     $ex = new DuplicateKeyException(sprintf('Duplicate key "%s" for path "%s".', $k, $this->getPath()));
                     $ex->setPath($this->getPath());
 
@@ -308,7 +308,7 @@ protected function mergeValues($leftSide, $rightSide)
             }
 
             // no conflict
-            if (!array_key_exists($k, $leftSide)) {
+            if (!\array_key_exists($k, $leftSide)) {
                 if (!$this->allowNewKeys) {
                     $ex = new InvalidConfigurationException(sprintf('You are not allowed to define new elements for path "%s". Please define all elements for this path in one config file.', $this->getPath()));
                     $ex->setPath($this->getPath());