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@ 2020-05-21T19:49:28Z

<?php

var_dump(mb_convert_case('al-fātiḥah', MB_CASE_TITLE, 'UTF-8'));
var_dump(mb_convert_case('AL-FĀTIḤAH', MB_CASE_TITLE, 'UTF-8'));

var_dump(mb_convert_case('ʾāli-ʿimrān', MB_CASE_TITLE, 'UTF-8'));
var_dump(mb_convert_case('ʾĀLI-ʿIMRĀN', MB_CASE_TITLE, 'UTF-8'));

var_dump(mb_convert_case('aṣ-ṣāffāt', MB_CASE_TITLE, 'UTF-8'));
var_dump(mb_convert_case('AṢ-ṢĀFFĀT', MB_CASE_TITLE, 'UTF-8'));

var_dump(mb_convert_case('ṭāʾ hāʾ', MB_CASE_TITLE, 'UTF-8'));
var_dump(mb_convert_case('ṬĀʾ HĀʾ', MB_CASE_TITLE, 'UTF-8'));

var_dump(mb_convert_case('ʾibrāhīm', MB_CASE_TITLE, 'UTF-8'));
var_dump(mb_convert_case('ʾIBRĀHĪM', MB_CASE_TITLE, 'UTF-8'));
var_dump(mb_convert_case('\'ibrāhīm', MB_CASE_TITLE, 'UTF-8'));
var_dump(mb_convert_case('`ibrāhīm', MB_CASE_TITLE, 'UTF-8'));
var_dump(mb_convert_case('"ibrāhīm', MB_CASE_TITLE, 'UTF-8'));

Output for git.master, git.master_jit, rfc.property-hooks: string(13) "Al-Fātiḥah" string(13) "Al-Fātiḥah" string(15) "ʾĀli-ʿImrān" string(15) "ʾĀli-ʿImrān" string(15) "Aṣ-Ṣāffāt" string(15) "Aṣ-Ṣāffāt" string(13) "Ṭāʾ Hāʾ" string(13) "Ṭāʾ Hāʾ" string(11) "ʾIbrāhīm" string(11) "ʾIbrāhīm" string(10) "'Ibrāhīm" string(10) "`Ibrāhīm" string(10) ""Ibrāhīm"

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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