TYPO3 / TYPO3.CMS

                $value[] = $reg[0];

                // Removes = sign

                $sword = trim(preg_replace('/^' . $specs . '/', '', $sword));

            } elseif (preg_match('/[\\+\\-]/', $sword)) {

                // Check if $sword contains + or -

                // + and - shall only be interpreted as $specchars when there's whitespace before it

                // otherwise it's included in the searchword (e.g. "know-how")

                // explode $sword to single words

                $a_sword = explode(' ', $sword);

                // get first word

                $word = array_shift($a_sword);

                // Delete $delchars at end of string

                $word = rtrim($word, $delchars);

                // add searchword to values

                $value[] = $word;

                // re-build $sword

                $sword = implode(' ', $a_sword);

            } else {

                // There are no double-quotes around the value. Looking for next (space) or special char.

                preg_match('/^[^ ' . preg_quote($specchars, '/') . ']*/', $sword, $reg);

                // Delete $delchars at end of string

            // check if person may only see a "virtual" page-root

            $mountPoints = array_map('intval', $GLOBALS['BE_USER']->returnWebmounts());

            $mountPoints = array_unique($mountPoints);

            if (!in_array(0, $mountPoints)) {

                $tempPageIds = [];

                foreach ($mountPoints as $mountPoint) {

                    $tempPageIds[] = $this->getTreeUids($mountPoint, $wsid, $recursionLevel);

                }

                $pageList = implode(',', $tempPageIds);

                $pageList = implode(',', array_unique(explode(',', $pageList)));

            }

        }

        // Traversing all tables supporting versioning:

        foreach ($GLOBALS['TCA'] as $table => $cfg) {