function WordLevelDiff::_split in Diff 5

Same name and namespace in other branches

1. 5.2 DiffEngine.php \WordLevelDiff::_split()
2. 6.2 DiffEngine.php \WordLevelDiff::_split()
3. 6 DiffEngine.php \WordLevelDiff::_split()
4. 7.3 DiffEngine.php \WordLevelDiff::_split()
5. 7.2 DiffEngine.php \WordLevelDiff::_split()

1 call to WordLevelDiff::_split()

WordLevelDiff::WordLevelDiff in ./DiffEngine.php

File

./DiffEngine.php, line 974

Class

WordLevelDiff

@todo document @private @subpackage DifferenceEngine

Code

function _split($lines) {
  $words = array();
  $stripped = array();
  $first = true;
  foreach ($lines as $line) {

    # If the line is too long, just pretend the entire line is one big word

    # This prevents resource exhaustion problems
    if ($first) {
      $first = false;
    }
    else {
      $words[] = "\n";
      $stripped[] = "\n";
    }
    if (strlen($line) > $this
      ->MAX_LINE_LENGTH()) {
      $words[] = $line;
      $stripped[] = $line;
    }
    else {
      if (preg_match_all('/ ( [^\\S\\n]+ | [0-9_A-Za-z\\x80-\\xff]+ | . ) (?: (?!< \\n) [^\\S\\n])? /xs', $line, $m)) {
        $words = array_merge($words, $m[0]);
        $stripped = array_merge($stripped, $m[1]);
      }
    }
  }
  return array(
    $words,
    $stripped,
  );
}