src/Notifier/CliBasedNotifier.php
protected function isBinaryAvailable(): bool
    {
        if (OsHelper::isUnix()) {
            // Do not use the 'which' program to check if a binary exists.
            // See also http://stackoverflow.com/questions/592620/check-if-a-program-exists-from-a-bash-script
            $process = new Process([
                'sh',
                '-c',
                'command -v $0',
                $this->getBinary(),
            ]);
        } else {
            // 'where' is available on Windows since Server 2003
            $process = new Process([
                'where',
                $this->getBinary(),
            ]);
        }

        $process->run();

        return $process->isSuccessful();
    }
protected function isBinaryAvailable(): bool
    {
        if (OsHelper::isUnix()) {
            // Do not use the 'which' program to check if a binary exists.
            // See also http://stackoverflow.com/questions/592620/check-if-a-program-exists-from-a-bash-script
            $process = new Process([
                'sh',
                '-c',
                'command -v $0',
                $this->getBinary(),
            ]);
        } else {
            // 'where' is available on Windows since Server 2003
            $process = new Process([
                'where',
                $this->getBinary(),
            ]);
        }

        $process->run();

        return $process->isSuccessful();
    }
protected function isBinaryAvailable ( ) : bool { if ( OsHelper :: isUnix ( ) ) { // Do not use the 'which' program to check if a binary exists. // See also http://stackoverflow.com/questions/592620/check-if-a-program-exists-from-a-bash-script $ process = new Process ( [ 'sh' , '-c' , 'command -v $0' , $ this -> getBinary ( ) , ] ) ; } else { // 'where' is available on Windows since Server 2003 $ process = new Process ( [ 'where' , $ this -> getBinary ( ) , ] ) ; } $ process -> run ( ) ; return $ process -> isSuccessful ( ) ; }
Check whether a binary is available.
Check whether a binary is available .