function Process::getIncrementalOutput

Returns the output incrementally.

In comparison with the getOutput method which always return the whole output, this one returns the new output since the last call.

Throws

LogicException in case the output has been disabled

LogicException In case the process is not started

File

vendor/symfony/process/Process.php, line 616

Class

Process

Process is a thin wrapper around proc_* functions to easily start independent PHP processes.

Namespace

Symfony\Component\Process

Code

public function getIncrementalOutput() : string {
    $this->readPipesForOutput(__FUNCTION__);
    $latest = stream_get_contents($this->stdout, -1, $this->incrementalOutputOffset);
    $this->incrementalOutputOffset = ftell($this->stdout);
    if (false === $latest) {
        return '';
    }
    return $latest;
}