function comment_alter_get_rows_diff in Comment Alter 8

Prepare the table rows for theme 'table'.

Parameters

string $a: The source string to compare from.

string $b: The target string to compare to.

boolean $show_header: Display diff context headers. For example, "Line x".

array $line_stats: This structure tracks line numbers across multiple calls to DiffFormatter.

Return value

array Array of rows usable with theme('table').

1 call to comment_alter_get_rows_diff()

comment_alter_get_changed_fields in ./comment_alter.module

Returns a table showing the differences committed with a particular comment.

File

./comment_alter.module, line 493

Allows to alter entities from comment form.

Code

function comment_alter_get_rows_diff($a, $b, $show_header = FALSE, &$line_stats = NULL) {
  $a = is_array($a) ? $a : explode("\n", $a);
  $b = is_array($b) ? $b : explode("\n", $b);

  // Temporary workaround: when comparing with an empty string, Diff Component
  // returns a change OP instead of an add OP.
  if (count($a) == 1 && $a[0] == "") {
    $a = [];
  }
  if (!isset($line_stats)) {
    $line_stats = [
      'counter' => [
        'x' => 0,
        'y' => 0,
      ],
      'offset' => [
        'x' => 0,
        'y' => 0,
      ],
    ];
  }

  // Header is the line counter.
  $container = \Drupal::getContainer();
  $diff_formatter = $container
    ->get('diff.diff.formatter');
  $diff_formatter->show_header = $show_header;
  $diff = new Diff($a, $b);
  return $diff_formatter
    ->format($diff);
}