Predefined Constants
- INTL_MAX_LOCALE_LEN (integer)
- Limit on locale length, set to 80 in PHP code. Locale names longer than this limit will not be accepted.
- IDNA_DEFAULT (integer)
- Prohibit processing of unassigned codepoints in the input for IDN functions and do not check if the input conforms to domain name ASCII rules.
- IDNA_ALLOW_UNASSIGNED (integer)
- Allow processing of unassigned codepoints in the input for IDN functions.
- IDNA_USE_STD3_RULES (integer)
- Check if the input for IDN functions conforms to domain name ASCII rules.