Merge branch 'PHP-8.1' into PHP-8.2

* PHP-8.1:
Fix GH-11071: Revert "Fix [-Wundef] warning in INTL extension"

Fix GH-11071: Revert "Fix [-Wundef] warning in INTL extension"

This reverts commit ea8686540ac43e59dd3f8784e29a0c06e3446df2.

Declare ext/intl constants in stubs - part 14 (#9387)

Declare ext/intl constants in stubs - part 13 (#9385)

Declare ext/intl constants in stubs - part 7 (#9269)

Declare ext/intl constants in stubs - part 6 (#9268)

Declare ext/intl constants in stubs - part 5 (#9267)

Declare ext/intl constants in stubs - part 4 (#9234)

Declare ext/intl constants in stubs - part 3 (#9233)

Declare ext/intl constants in stubs - part 2 (#9219)

Declare ext/intl constants in stubs - part 1 (#9205)

Fixed some spaces used instead of tabs

Add IntlDatePatternGenerator (#6771)

Add IntlDatePatternGenerator class per RFC https://wiki.php.net/rfc/intldatetimepatterngenerator.

Update http->https in license (#6945)

1. Update: http://www.php.net/license/3_01.txt to https, as there is anyway server header "Location:" to https.
2. Update few license 3.0 to 3.01 as

Update http->https in license (#6945)

1. Update: http://www.php.net/license/3_01.txt to https, as there is anyway server header "Location:" to https.
2. Update few license 3.0 to 3.01 as 3.0 states "php 5.1.1, 4.1.1, and earlier".
3. In some license comments is "at through the world-wide-web" while most is without "at", so deleted.
4. fixed indentation in some files before |

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Generate ext/intl class entries from stubs

Closes GH-6670

Validate collator earlier during sort

Check this once before the sort, instead of on every compare.
Also directly store the UCollator to make things more obvious.

Remove proto comments from C files

Closes GH-5758

Implement #47074: phpinfo() reports "On" as 1 for the some extensions

What is modified as boolean, should also be displayed as boolean.

Fix [-Wundef] warning in INTL extension

Generate method entries for ext/intl

Closes GH-5370

Do not include the same stub multiple times

Closes GH-5322

Add stubs for NumberFormatter

Closes GH-4827

Add various stubs for Intl

Closes GH-4826

Add stubs for IntlCalendar

Closes GH-4846

Add stubs for IntlDateFormatter & MessageFormatter

Closes GH-4812