Fatal error: Uncaught Error: Undefined constant "STDIN" in /home/abazis/apps/projects/vendor-old/symfony/process/Symfony/Component/Process/Tests/PipeStdinInStdoutStdErrStreamSelect.php:8 Stack trace: #0 {main} thrown in /home/abazis/apps/projects/vendor-old/symfony/process/Symfony/Component/Process/Tests/PipeStdinInStdoutStdErrStreamSelect.php on line 8