protected function string()
{
return ['addcslashes' => INativeType::TYPE_STRING, 'addslashes' => INativeType::TYPE_STRING, 'bin2hex' => INativeType::TYPE_STRING, 'chr' => INativeType::TYPE_STRING, 'chunk_split' => INativeType::TYPE_STRING, 'convert_cyr_string' => INativeType::TYPE_STRING, 'convert_uudecode' => INativeType::TYPE_STRING, 'convert_uuencode' => INativeType::TYPE_STRING, 'crc32' => INativeType::TYPE_INT, 'crypt' => INativeType::TYPE_STRING, 'explode' => INativeType::TYPE_ARRAY, 'fprintf' => INativeType::TYPE_INT, 'get_html_translation_table' => INativeType::TYPE_ARRAY, 'hebrev' => INativeType::TYPE_STRING, 'hebrevc' => INativeType::TYPE_STRING, 'hex2bin' => INativeType::TYPE_STRING, 'html_entity_decode' => INativeType::TYPE_STRING, 'htmlentities' => INativeType::TYPE_STRING, 'htmlspecialchars_decode' => INativeType::TYPE_STRING, 'htmlspecialchars' => INativeType::TYPE_STRING, 'implode' => INativeType::TYPE_STRING, 'lcfirst' => INativeType::TYPE_STRING, 'levenshtein' => INativeType::TYPE_INT, 'localeconv' => INativeType::TYPE_ARRAY, 'ltrim' => INativeType::TYPE_STRING, 'md5_file' => INativeType::TYPE_STRING, 'md5' => INativeType::TYPE_STRING, 'metaphone' => INativeType::TYPE_STRING, 'money_format' => INativeType::TYPE_STRING, 'nl_langinfo' => INativeType::TYPE_STRING, 'nl2br' => INativeType::TYPE_STRING, 'number_format' => INativeType::TYPE_STRING, 'ord' => INativeType::TYPE_INT, 'parse_str' => INativeType::TYPE_NULL, 'print' => INativeType::TYPE_INT, 'printf' => INativeType::TYPE_INT, 'quoted_printable_decode' => INativeType::TYPE_STRING, 'quoted_printable_encode' => INativeType::TYPE_STRING, 'quotemeta' => INativeType::TYPE_STRING, 'rtrim' => INativeType::TYPE_STRING, 'setlocale' => INativeType::TYPE_STRING, 'sha1_file' => INativeType::TYPE_STRING, 'sha1' => INativeType::TYPE_STRING, 'similar_text' => INativeType::TYPE_INT, 'soundex' => INativeType::TYPE_STRING, 'sprintf' => INativeType::TYPE_STRING, 'str_getcsv' => INativeType::TYPE_ARRAY, 'str_pad' => INativeType::TYPE_STRING, 'str_repeat' => INativeType::TYPE_STRING, 'str_rot13' => INativeType::TYPE_STRING, 'str_shuffle' => INativeType::TYPE_STRING, 'str_split' => INativeType::TYPE_ARRAY, 'strcasecmp' => INativeType::TYPE_INT, 'strcmp' => INativeType::TYPE_INT, 'strcoll' => INativeType::TYPE_INT, 'strcspn' => INativeType::TYPE_INT, 'strip_tags' => INativeType::TYPE_STRING, 'stripcslashes' => INativeType::TYPE_STRING, 'stripos' => INativeType::TYPE_INT, 'stripslashes' => INativeType::TYPE_STRING, 'stristr' => INativeType::TYPE_STRING, 'strlen' => INativeType::TYPE_INT, 'strnatcasecmp' => INativeType::TYPE_INT, 'strnatcmp' => INativeType::TYPE_INT, 'strncasecmp' => INativeType::TYPE_INT, 'strncmp' => INativeType::TYPE_INT, 'strpbrk' => INativeType::TYPE_STRING, 'strrchr' => INativeType::TYPE_STRING, 'strrev' => INativeType::TYPE_STRING, 'strripos' => INativeType::TYPE_INT, 'strrpos' => INativeType::TYPE_INT, 'strspn' => INativeType::TYPE_INT, 'strstr' => INativeType::TYPE_STRING, 'strtok' => INativeType::TYPE_STRING, 'strtolower' => INativeType::TYPE_STRING, 'strtoupper' => INativeType::TYPE_STRING, 'strtr' => INativeType::TYPE_STRING, 'substr_compare' => INativeType::TYPE_INT, 'substr_count' => INativeType::TYPE_INT, 'substr' => INativeType::TYPE_STRING, 'trim' => INativeType::TYPE_STRING, 'ucfirst' => INativeType::TYPE_STRING, 'ucwords' => INativeType::TYPE_STRING, 'vfprintf' => INativeType::TYPE_INT, 'vprintf' => INativeType::TYPE_INT, 'vsprintf' => INativeType::TYPE_STRING, 'wordwrap' => INativeType::TYPE_STRING];
}
