Updated UPGRADING with changes to ext/intl.

Allow arbitrary expressions for empty()

This change is as per RFC https://wiki.php.net/rfc/empty_isset_exprs.

The change allows passing the result of function calls and other
ex

Allow arbitrary expressions for empty()

This change is as per RFC https://wiki.php.net/rfc/empty_isset_exprs.

The change allows passing the result of function calls and other
expressions to the empty() language construct. This is accomplished by
simply rewriting empty(expr) to !expr.

The change does not affect the suppression of errors when using empty()
on variables. empty($undefinedVar) will continue not to throw errors.
When an expression is used inside empty() on the other hand, errors will
not be suppressed. Thus empty($undefinedVar + $somethingElse) *will*
throw a notice.

The change also does not make empty() into a real function, so using
'empty' as a callback is still not possible.

In addition to the empty() changes the commit adds nicer error messages
when isset() is used on function call results or other expressions.

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Fixed bug #61038; "Z" and better behavior for unpack()

Added new "Z" argument to pack/unpack, now allowing "a" to return
data without stripping, and "A" strips all trailing white space,

Fixed bug #61038; "Z" and better behavior for unpack()

Added new "Z" argument to pack/unpack, now allowing "a" to return
data without stripping, and "A" strips all trailing white space,
while "Z" will strip everything after the first null.

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Implement const array/string dereference

RFC:https://wiki.php.net/rfc/constdereference

Update UPGRADING with changes.

Put new function in correct section.

add note about corrected tiger hash output

This change was badly worded and filed in the wrong section.
This isn't an ini change at all.

Sync char set wording with migration doc

Typo and missing zend ini param

Typo: "outout"

Align section headings with the latest (5.4) migration on-line doc.
This will aid future reuse of UPGRADING text.

- notes about xp&2003 drop

NEWS and UPGRADING for r323862

Removed get_magic_quotes* functions from the deprecated list, because we love them so

Fixed ldap typos

magic quotes directives belong in the E_CORE_ERROR group, and not the E_DEPRECATED group

Mention file upload progress support: http://php.net/manual/en/session.upload-progress.php

Removed class constants (these were added in 5.3.7), and added the new Zlib functions

Sync sqlite -> PECL terminology with release announcement's

Reorganized to remove duplication. Cross checked a few php.ini settings.

Area owners need to do a thorough review of this file.

Some basic tidy up and whitespace fixes.

The file still needs section disambiguation to remove duplicate
entries.

- Cleanup UPGRADING and UPGRADING.INTERNALS from 5.4 changes.
- Added information about removal of streams pooling API.

Add a __wakeup() method to SplFixedArray, thereby fixing serialising an
SplFixedArray object and bug #60560 (SplFixedArray un-/serialize, getSize(),
count() return 0, keys are strings).

add notes about ob_start(), gzencode() and removed hash algos