getChildrenAsString()); $pre_content = str_replace(array('
', '
'), '', $pre_content); /* * Checking for the code tag. * Usually pre tags are used along with code tags. This conditional will check for already converted code tags, * which use backticks, and if those backticks are at the beginning and at the end of the string it means * there's no more information to convert. */ $firstBacktick = strpos(trim($pre_content), '`'); $lastBacktick = strrpos(trim($pre_content), '`'); if ($firstBacktick === 0 && $lastBacktick === strlen(trim($pre_content)) - 1) { return $pre_content; } // If the execution reaches this point it means it's just a pre tag, with no code tag nested // Normalizing new lines $pre_content = preg_replace('/\r\n|\r|\n/', PHP_EOL, $pre_content); // Checking if the string has multiple lines $lines = preg_split('/\r\n|\r|\n/', $pre_content); if (count($lines) > 1) { // Multiple lines detected, adding three backticks and newlines $markdown .= '```' . "\n" . $pre_content . "\n" . '```'; } else { // One line of code, wrapping it on one backtick. $markdown .= '`' . $pre_content . '`'; } return $markdown; } /** * @return string[] */ public function getSupportedTags() { return array('pre'); } }