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@ 2016-01-11T12:09:23Z

<?php

ini_set("intl.use_exceptions", true);


var_dump(idn_to_ascii(
    "loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong",
    IDNA_USE_STD3_RULES | IDNA_NONTRANSITIONAL_TO_ASCII | IDNA_CHECK_CONTEXTJ,
    INTL_IDNA_VARIANT_UTS46,
    $info
));

var_dump($info);

$errors = [
    "IDNA_ERROR_EMPTY_LABEL",
    "IDNA_ERROR_LABEL_TOO_LONG",
    "IDNA_ERROR_DOMAIN_NAME_TOO_LONG",
    "IDNA_ERROR_LEADING_HYPHEN",
    "IDNA_ERROR_TRAILING_HYPHEN",
    "IDNA_ERROR_HYPHEN_3_4",
    "IDNA_ERROR_LEADING_COMBINING_MARK",
    "IDNA_ERROR_DISALLOWED",
    "IDNA_ERROR_PUNYCODE",
    "IDNA_ERROR_LABEL_HAS_DOT",
    "IDNA_ERROR_INVALID_ACE_LABEL",
    "IDNA_ERROR_BIDI",
    "IDNA_ERROR_CONTEXTJ"
];


foreach($errors as $errorReadable){
    $error = constant($errorReadable);
    if($info['errors'] & $error){
        echo $errorReadable . "\n";
    }
}

Output for git.master, git.master_jit, rfc.property-hooks: string(197) "loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong" array(3) { ["result"]=> string(197) "loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong.loooooooooooooooooong" ["isTransitionalDifferent"]=> bool(false) ["errors"]=> int(0) }

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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