Warning: Unsupported declare 'strict_types' in /home/gavadent/sistema.gavadent.com/vendor/sebastian/environment/tests/OperatingSystemTest.php on line 1

Parse error: syntax error, unexpected ':', expecting ';' or '{' in /home/gavadent/sistema.gavadent.com/vendor/sebastian/environment/tests/OperatingSystemTest.php on line 24