Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

IDNA_STRINGPREP_ERROR (integer)

IDNA_PUNYCODE_ERROR (integer)

IDNA_CONTAINS_NON_LDH (integer)

IDNA_CONTAINS_MINUS (integer)

IDNA_INVALID_LENGTH (integer)

IDNA_NO_ACE_PREFIX (integer)

IDNA_ROUNDTRIP_VERIFY_ERROR (integer)

IDNA_CONTAINS_ACE_PREFIX (integer)

IDNA_ICONV_ERROR (integer)

IDNA_MALLOC_ERROR (integer)