| protected bisectSplit ( string $text1, string $text2, integer $x, integer $y, integer $deadline ) : array | ||
| $text1 | string | Old string to be diffed. |
| $text2 | string | New string to be diffed. |
| $x | integer | Index of split point in text1. |
| $y | integer | Index of split point in text2. |
| $deadline | integer | Time at which to bail if not yet complete. |
| return | array | Array of diff arrays. |
protected function bisectSplit($text1, $text2, $x, $y, $deadline)
{
$text1A = mb_substr($text1, 0, $x);
$text2A = mb_substr($text2, 0, $y);
$text1B = mb_substr($text1, $x);
$text2B = mb_substr($text2, $y);
// Compute both diffs serially.
$diffA = new Diff();
$diffA->main($text1A, $text2A, false, $deadline);
$diffB = new Diff();
$diffB->main($text1B, $text2B, false, $deadline);
return array_merge($diffA->getChanges(), $diffB->getChanges());
}