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@ 2013-12-10T09:26:07Z

<?php

$examples = array(
    'Valid ASCII' => "a",
    'Valid 2 Octet Sequence' => "\xc3\xb1",
    'Invalid 2 Octet Sequence' => "\xc3\x28",
    'Invalid Sequence Identifier' => "\xa0\xa1",
    'Valid 3 Octet Sequence' => "\xe2\x82\xa1",
    'Invalid 3 Octet Sequence (in 2nd Octet)' => "\xe2\x28\xa1",
    'Invalid 3 Octet Sequence (in 3rd Octet)' => "\xe2\x82\x28",

    'Valid 4 Octet Sequence' => "\xf0\x90\x8c\xbc",
    'Invalid 4 Octet Sequence (in 2nd Octet)' => "\xf0\x28\x8c\xbc",
    'Invalid 4 Octet Sequence (in 3rd Octet)' => "\xf0\x90\x28\xbc",
    'Invalid 4 Octet Sequence (in 4th Octet)' => "\xf0\x28\x8c\x28",
    'Valid 5 Octet Sequence (but not Unicode!)' => "\xf8\xa1\xa1\xa1\xa1",
    'Valid 6 Octet Sequence (but not Unicode!)' => "\xfc\xa1\xa1\xa1\xa1\xa1",
);

mb_substitute_character(0x3013);

foreach ($examples as $k => $v) {

    echo "{$k}\n";
	echo mb_convert_encoding($v, 'UTF-8', 'UTF-8');
    echo "\n";

}

Output for git.master, git.master_jit, rfc.property-hooks: Valid ASCII a Valid 2 Octet Sequence ñ Invalid 2 Octet Sequence 〓( Invalid Sequence Identifier 〓〓 Valid 3 Octet Sequence ₡ Invalid 3 Octet Sequence (in 2nd Octet) 〓(〓 Invalid 3 Octet Sequence (in 3rd Octet) 〓( Valid 4 Octet Sequence 𐌼 Invalid 4 Octet Sequence (in 2nd Octet) 〓(〓〓 Invalid 4 Octet Sequence (in 3rd Octet) 〓(〓 Invalid 4 Octet Sequence (in 4th Octet) 〓(〓( Valid 5 Octet Sequence (but not Unicode!) 〓〓〓〓〓 Valid 6 Octet Sequence (but not Unicode!) 〓〓〓〓〓〓

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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