Warning: Unsupported declare 'strict_types' in D:\phpStudy-duobanben\WWW\wx_chayouqianqi\vendor\sebastian\global-state\tests\SnapshotTest.php on line 11

Parse error: syntax error, unexpected 'class' (T_CLASS), expecting identifier (T_STRING) or variable (T_VARIABLE) or '{' or '$' in D:\phpStudy-duobanben\WWW\wx_chayouqianqi\vendor\sebastian\global-state\tests\SnapshotTest.php on line 33