Fixed casting CurlHandle to (int)

Author: ondrejmirtes

src/Type/ObjectType.php

@@ -310,6 +310,10 @@ public function toInteger(): Type
 			return new IntegerType();
 		}
 
+		if ($this->getClassName() === 'CurlHandle') {
+			return new IntegerType();
+		}
+
 		return new ErrorType();
 	}
 

tests/PHPStan/Rules/Cast/data/invalid-cast.php

@@ -57,3 +57,8 @@ function (
 	(string) $xml;
 	(bool) $xml;
 };
+
+function (): void {
+	$ch = curl_init();
+	(int) $ch;
+};