protected function WordfilterProcessBase::prepareWordsForRegex in Wordfilter 8.2

Prepares the filter words for being used inside a regular expression.

Parameters

array $words: The (not yet) prepared filter words.

Return value

array The filter words, ready to be used inside a regular expression.

2 calls to WordfilterProcessBase::prepareWordsForRegex()

DefaultWordfilterProcess::filterWords in src/Plugin/WordfilterProcess/DefaultWordfilterProcess.php

Provides filtering of words by the given Wordfilter configuration.

TokenWordfilterProcess::filterWords in src/Plugin/WordfilterProcess/TokenWordfilterProcess.php

Provides filtering of words by the given Wordfilter configuration.

File

src/Plugin/WordfilterProcessBase.php, line 23

Class

WordfilterProcessBase

Base class for Wordfilter Process plugins.

Namespace

Drupal\wordfilter\Plugin

Code

protected function prepareWordsForRegex(array $words) {
  $prepared = [];
  foreach ($words as $delta => $word) {
    $prepared[$delta] = preg_quote(Xss::filterAdmin($word), '/');
    if (strlen($prepared[$delta]) === strlen($word)) {

      // Use word boundaries for 'naturally spoken' words.
      $prepared[$delta] = '\\b' . $prepared[$delta] . '\\b';
    }
  }
  return $prepared;
}