use pkg-config for libedit

UPGRADING entry for pcntl_unshare [skip ci]

Deprecate case-insensitive constants via typelib import

As of PHP 7.3.0, case-insensitive constants are deprecated. We catch
up on this with regard to ext/com_dotnet, which allows to im

Deprecate case-insensitive constants via typelib import

As of PHP 7.3.0, case-insensitive constants are deprecated. We catch
up on this with regard to ext/com_dotnet, which allows to import
constants from typelibs, by triggering a deprecation notice whenever
`com_load_typelib()` is called with `$case_sensitive` being `false`,
and whenever `com.autoregister_casesensitive` is set to `false`,
regardless of whether there are actually constants in the typelib which
would be imported.

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Add UPGRADING entry for ad75511c8e

Implement ReflectionReference

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

Update NEWS and UPGRADING [ci skip]

Implement mb_str_split()

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

Correct section number in UPGRADING

This make the top list follow the bottom numbering

[ci skip]

Adding bunch of FreeBSD socket options flags specifics.

SO_USER_COOKIE primarly to be traced via dtrace instrumentation.
If SO_USER_COOKIE is available, the rest is so the former is

Adding bunch of FreeBSD socket options flags specifics.

SO_USER_COOKIE primarly to be traced via dtrace instrumentation.
If SO_USER_COOKIE is available, the rest is so the former is
two years old while the rest is from around 2008.

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Deprecate ext/wddx

Cf. <https://wiki.php.net/rfc/deprecate-and-remove-ext-wddx>.

Add missing braces in UPGRADING example

[ci skip]

Don't silence fatal errors with @

Add UPGRADING notes for oniguruma unbundling

Disable PEAR by default

Installation of PEAR can be enabled using --with-pear, but will
through a deprecation warning during ./configure.

Return empty str from quotemeta() on empty str

Improve UPGRADING note

[ci skip]

[ci skip] Update changelog

Fix variadic arginfos for Reflection functions

Fix arginfos of required arguments for some Reflection methods

Implement the negative_array_index RFC

Fix SplHeap::compare arginfo and tests

[ci skip] Move OPcache configure option changes

Remove $errcontext argument to error handlers

I'm removing the argument entirely here, but we might want to change
this to passing null or and empty array instead, if the impact of
d

Remove $errcontext argument to error handlers

I'm removing the argument entirely here, but we might want to change
this to passing null or and empty array instead, if the impact of
dropping it entirely turns out to be too large.

This was deprecated as part of https://wiki.php.net/rfc/deprecations_php_7_2
as a doc-only deprecation.

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Removed ldap_sort and LDAP_DEPRECATED build flag

ldap_sort was deprecated in PHP7, it is now removed.
This allows removing the LDAP_DEPRECATED flag when building against
openldap.

Mark ldap_control_paged_result and ldap_control_paged_result_response as deprecated

These functions have serious limitations and may confuse users.
Same operations can be done using the

Mark ldap_control_paged_result and ldap_control_paged_result_response as deprecated

These functions have serious limitations and may confuse users.
Same operations can be done using the new ldap control system in search
operations.

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Make mb_ereg_replace() pattern argument a string