-function getWordSets($aWords, $iDepth)
-{
- $aResult = array(array(join(' ', $aWords)));
- $sFirstToken = '';
- if ($iDepth < 7) {
- while (sizeof($aWords) > 1) {
- $sWord = array_shift($aWords);
- $sFirstToken .= ($sFirstToken?' ':'').$sWord;
- $aRest = getWordSets($aWords, $iDepth+1);
- foreach ($aRest as $aSet) {
- $aResult[] = array_merge(array($sFirstToken), $aSet);
- }
- }
- }
- return $aResult;
-}
-
-function getInverseWordSets($aWords, $iDepth)
-{
- $aResult = array(array(join(' ', $aWords)));
- $sFirstToken = '';
- if ($iDepth < 8) {
- while (sizeof($aWords) > 1) {
- $sWord = array_pop($aWords);
- $sFirstToken = $sWord.($sFirstToken?' ':'').$sFirstToken;
- $aRest = getInverseWordSets($aWords, $iDepth+1);
- foreach ($aRest as $aSet) {
- $aResult[] = array_merge(array($sFirstToken), $aSet);
- }
- }
- }
- return $aResult;
-}
-
-
-function getTokensFromSets($aSets)
-{
- $aTokens = array();
- foreach ($aSets as $aSet) {
- foreach ($aSet as $sWord) {
- $aTokens[' '.$sWord] = ' '.$sWord;
- $aTokens[$sWord] = $sWord;
- }
- }
- return $aTokens;
-}
-
-