Apply php-cs-fixer rule for array_key_exists()

Author: nicolas-grekas

Input/Input.php

@@ -69,7 +69,7 @@ public function validate()
         $givenArguments = $this->arguments;
 
         $missingArguments = array_filter(array_keys($definition->getArguments()), function ($argument) use ($definition, $givenArguments) {
-            return !array_key_exists($argument, $givenArguments) && $definition->getArgument($argument)->isRequired();
+            return !\array_key_exists($argument, $givenArguments) && $definition->getArgument($argument)->isRequired();
         });
 
         if (\count($missingArguments) > 0) {
@@ -150,7 +150,7 @@ public function getOption($name)
             throw new InvalidArgumentException(sprintf('The "%s" option does not exist.', $name));
         }
 
-        return array_key_exists($name, $this->options) ? $this->options[$name] : $this->definition->getOption($name)->getDefault();
+        return \array_key_exists($name, $this->options) ? $this->options[$name] : $this->definition->getOption($name)->getDefault();
     }
 
     /**

Tester/ApplicationTester.php

@@ -66,7 +66,7 @@ public function run(array $input, $options = [])
             $this->input->setInteractive($options['interactive']);
         }
 
-        $this->captureStreamsIndependently = array_key_exists('capture_stderr_separately', $options) && $options['capture_stderr_separately'];
+        $this->captureStreamsIndependently = \array_key_exists('capture_stderr_separately', $options) && $options['capture_stderr_separately'];
         if (!$this->captureStreamsIndependently) {
             $this->output = new StreamOutput(fopen('php://memory', 'w', false));
             if (isset($options['decorated'])) {