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<?php $value = str_repeat('ф.', 31) . 's.s.s.s'; // "ф" is cyrillic symbol, only 38 characters, but after conversion to ASCII will be much more $result = idn_to_ascii($value, 0, INTL_IDNA_VARIANT_UTS46, $idnaInfo); var_dump($result); var_dump($idnaInfo); // $idnaInfo['errors'] should be equal to 4, it is value of IDNA_ERROR_DOMAIN_NAME_TOO_LONG
Output for 5.6.25 - 5.6.40, 7.0.10 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
bool(false) array(0) { }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.24, 7.0.0 - 7.0.9
Fatal error: idn_to_ascii(): ICU returned an unexpected length in /in/EUSlJ on line 4
Process exited with code 255.
preferences:
117.09 ms | 407 KiB | 5 Q