function Differ::diff

Same name in this branch

11.1.x vendor/phpstan/phpdoc-parser/src/Printer/Differ.php \PHPStan\PhpDocParser\Printer\Differ::diff()
11.1.x vendor/sebastian/diff/src/Differ.php \SebastianBergmann\Diff\Differ::diff()

Calculate diff (edit script) from $old to $new.

Parameters

T[] $old Original array:

T[] $new New array:

Return value

DiffElem[] Diff (edit script)

1 call to Differ::diff()

Differ::diffWithReplacements in vendor/nikic/php-parser/lib/PhpParser/Internal/Differ.php: Calculate diff, including "replace" operations.

File

vendor/nikic/php-parser/lib/PhpParser/Internal/Differ.php, line 35

Class

Differ: Implements the Myers diff algorithm.

Namespace

PhpParser\Internal

Code

public function diff(array $old, array $new) : array {
    $old = \array_values($old);
    $new = \array_values($new);
    list($trace, $x, $y) = $this->calculateTrace($old, $new);
    return $this->extractDiff($trace, $x, $y, $old, $new);
}