Overrides AbstractPart::asDebugString
public function asDebugString() : string { $str = parent::asDebugString(); foreach ($this->getParts() as $part) { $lines = explode("\n", $part->asDebugString()); $str .= "\n └ " . array_shift($lines); foreach ($lines as $line) { $str .= "\n |" . $line; } } return $str; }