Warning: Unsupported declare 'strict_types' in C:\Program Files (x86)\EasyPHP-DevServer-14.1VC11\data\localweb\musiccomposer\tests\MidiWriterTest.php on line 2

Warning: require_once(../vendor/autoload.php): failed to open stream: No such file or directory in C:\Program Files (x86)\EasyPHP-DevServer-14.1VC11\data\localweb\musiccomposer\tests\MidiWriterTest.php on line 10

Fatal error: require_once(): Failed opening required '../vendor/autoload.php' (include_path='.;C:\php\pear') in C:\Program Files (x86)\EasyPHP-DevServer-14.1VC11\data\localweb\musiccomposer\tests\MidiWriterTest.php on line 10