array('1A34567890', Isbn::INVALID_CHARACTERS_ERROR),
// chr(1) evaluates to 0
// 2070546810 is valid
- array('2'.chr(1).'70546810', Isbn::INVALID_CHARACTERS_ERROR),
+ array('2'.\chr(1).'70546810', Isbn::INVALID_CHARACTERS_ERROR),
);
}
array('978-272C442282', Isbn::INVALID_CHARACTERS_ERROR),
// chr(1) evaluates to 0
// 978-2070546817 is valid
- array('978-2'.chr(1).'70546817', Isbn::INVALID_CHARACTERS_ERROR),
+ array('978-2'.\chr(1).'70546817', Isbn::INVALID_CHARACTERS_ERROR),
);
}