464 	protected function isCharMode($chr, $mode) {  function in jucksearm\\barcode\\lib\\Datamatrix
548 			if ($this->isCharMode($chr, self::ENC_ASCII_NUM)) {
550 			} elseif ($this->isCharMode($chr, self::ENC_ASCII_EXT)) {
558 			if ($this->isCharMode($chr, self::ENC_C40)) {
560 			} elseif ($this->isCharMode($chr, self::ENC_ASCII_EXT)) {
566 			if ($this->isCharMode($chr, self::ENC_TXT)) {
568 			} elseif ($this->isCharMode($chr, self::ENC_ASCII_EXT)) {
574 			if ($this->isCharMode($chr, self::ENC_X12) OR $this->isCharMode($chr, self::ENC_C40)) {
576 			} elseif ($this->isCharMode($chr, self::ENC_ASCII_EXT)) {
582 			if ($this->isCharMode($chr, self::ENC_EDF)) {
584 			} elseif ($this->isCharMode($chr, self::ENC_ASCII_EXT)) {
590 			if ($this->isCharMode($chr, self::ENC_BASE256)) {
621 							if ($this->isCharMode($tmpchr, self::ENC_X12)) {
623 …} elseif (!($this->isCharMode($tmpchr, self::ENC_X12) OR $this->isCharMode($tmpchr, self::ENC_C40)…
707 … ($pos < ($data_length - 1)) AND ($this->isCharMode(ord($data[$pos]), self::ENC_ASCII_NUM) AND $th…
724 							if ($this->isCharMode($chr, self::ENC_ASCII_EXT)) {
869 						if ($this->isCharMode($chr, self::ENC_EDF)) {
874 …		if (($field_length == 4) OR ($epos == $data_length) OR !$this->isCharMode($chr, self::ENC_EDF)) {