Fix crash in LDAP search functions during argument validation

Change $controls parameter to default to null in ext/ldap

It appeared that not passing $controls and passing [] caused different
behaviors, when not passing it the controls set through

Change $controls parameter to default to null in ext/ldap

It appeared that not passing $controls and passing [] caused different
behaviors, when not passing it the controls set through ldap_set_option
would be used, when passing [] they would not.

So, this parameter is now nullable and defaults to null to have a
consistent behavior.

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Remove deprecated functions from php-ldap

Remove ldap_control_paged_result and ldap_control_paged_result_response
which have been deprecated in PHP 7.4, in favor of new $controls
p

Remove deprecated functions from php-ldap

Remove ldap_control_paged_result and ldap_control_paged_result_response
which have been deprecated in PHP 7.4, in favor of new $controls
parameters for ldap request functions.

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Rename $link parameters to $ldap in ldap functions

Also fixed ldap_set_option places where $newvalue was still used

Fix parameter mask in ldap_next_attribute

Co-authored-by: Nikita Popov <nikita.ppv@googlemail.com>

Remove dummy_ber parameter from ldap_first_attribute and ldap_next_attribute

It has been unused and deprecated since PHP 5.2.4

Set all parameters to ldap_sasl_bind as NULL by default

For mech, realm, authcid, authzid and props NULL means do not change
current server setting.

Default bind dn and password to NULL in ldap_bind_ext

Default bind dn and password to NULL in ldap_bind

Make URI parameter in ldap_connect default to NULL

Consolidate the usage of "either" and "one of" in error messages

Closes GH-6173

Consolidate new union type ZPP macro names

They will now follow the canonical order of types. Older macros are
left intact due to maintaining BC.

Closes GH-6112

Promote warnings to exceptions in ext/ldap

Closes GH-6065

Use ZPP instead of custom type checks

We can add these types as a native type declaration to stubs as a side-effect. Closes GH-6068

Use ZPP callable check for ldap_set_rebind_proc()

Convert the $ttl parameter of ldap_exop_refresh() to int

fix memory leaks in ext/ldap/ldap.c

fix memory leaks in ext/ldap/ldap.c

Review the usage of apostrophes in error messages

Closes GH-5590

Fix some memory bugs in ldap.c

Remove proto comments from C files

Closes GH-5758

Avoid some unnecessary uses of no_separation=0

For the rare cases where references are part of the API,
construct them explicitly. Otherwise do not allow separation.

Add ldap_count_references()

Closes GH-5784

Promote warning to exception in ldap_set_rebind_proc()

From now on, ldap_set_rebind_proc() will only accept callable or null
as argument 2.

Closes GH-5763

Fix macro redifinition warnings in debug builds

MSVC considers these warnings[1] to be severe (level 1), so we better
fix the respective code.

[1] <https://docs.microsoft.com/en

Fix macro redifinition warnings in debug builds

MSVC considers these warnings[1] to be severe (level 1), so we better
fix the respective code.

[1] <https://docs.microsoft.com/en-us/cpp/error-messages/compiler-warnings/compiler-warning-level-1-c4005?view=vs-2019>

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