src/Diff.php
public function text1()
    {
        $diffs = $this->getChanges();

        $text = '';
        foreach ($diffs as $change) {
            $op = $change[0];
            $data = $change[1];

            if ($op != self::INSERT) {
                $text .= $data;
            }
        }

        return $text;
    }
public function text1()
    {
        $diffs = $this->getChanges();

        $text = '';
        foreach ($diffs as $change) {
            $op = $change[0];
            $data = $change[1];

            if ($op != self::INSERT) {
                $text .= $data;
            }
        }

        return $text;
    }
Compute and return the source text (all equalities and deletions).

@return string Source text.