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<?php var_dump($r = idn_to_ascii( 'www.sparkasse-gießen.de', IDNA_USE_STD3_RULES | IDNA_NONTRANSITIONAL_TO_ASCII | IDNA_CHECK_CONTEXTJ, INTL_IDNA_VARIANT_UTS46, $info )); var_dump($info); var_dump(idn_to_utf8($r, IDNA_USE_STD3_RULES, INTL_IDNA_VARIANT_UTS46, $info)); var_dump($info);
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
string(30) "www.xn--sparkasse-gieen-2ib.de" array(3) { ["result"]=> string(30) "www.xn--sparkasse-gieen-2ib.de" ["isTransitionalDifferent"]=> bool(true) ["errors"]=> int(0) } string(24) "www.sparkasse-gießen.de" array(3) { ["result"]=> string(24) "www.sparkasse-gießen.de" ["isTransitionalDifferent"]=> bool(false) ["errors"]=> int(0) }
Output for 7.3.32 - 7.3.33, 7.4.33, 8.0.13
Fatal error: Uncaught Error: Call to undefined function idn_to_ascii() in /in/fnDs5:3 Stack trace: #0 {main} thrown in /in/fnDs5 on line 3
Process exited with code 255.

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