SensioLabs\DeprecationDetector\FileInfo\PhpFileInfo::addDeprecatedLanguageUsage PHP Method

    public function addDeprecatedLanguageUsage(DeprecatedLanguageUsage $deprecatedLanguageUsage)
    {
        $this->deprecatedLanguageUsages[] = $deprecatedLanguageUsage;
    }

 /**
  * {@inheritdoc}
  */
 public function enterNode(Node $node)
 {
     if ($node instanceof Node\Expr\AssignRef) {
         $this->phpFileInfo->addDeprecatedLanguageUsage(new DeprecatedLanguageUsage('assign by reference(&=)', 'Since PHP 5.3 use normal assignment instead.', $node->getLine()));
     }
     if ($node instanceof Node\Stmt\Class_) {
         $method = $node->getMethod($node->name);
         if ($method instanceof Node\Stmt\ClassMethod) {
             $this->phpFileInfo->addDeprecatedLanguageUsage(new DeprecatedLanguageUsage('PHP4 constructor', 'Since PHP 7.0, use __construct() instead.', $method->getLine()));
         }
     }
     if ($node instanceof Node\Arg) {
         if (true === $node->byRef) {
             $this->phpFileInfo->addDeprecatedLanguageUsage(new DeprecatedLanguageUsage('call-time pass-by-reference', 'Since PHP 5.3 and removed in PHP 5.4', $node->getLine()));
         }
     }
 }