Improve locale character tables handling and reduce pattern cache size

If a locale other than C is active, character tables are saved into the
compile context. Every compiled pattern wil

Improve locale character tables handling and reduce pattern cache size

If a locale other than C is active, character tables are saved into the
compile context. Every compiled pattern will have a pointer to the
character table, that was present in the context at the time of the
pattern compilation. Thus, the cache entries don't need to carry char
tables pointer, which reduces their size to 8 bytes on 64-bit. Instead,
the generated character tables are tracked in a separate HashTable. If a
character table was generated before, it'll be assigned to the compile
context when the locale changes. Otherwise a new char table will be
generated and cached.

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Fixed bug #76514 Regression in preg_match makes it fail with PREG_JIT_STACKLIMIT_ERROR

Looks like some patterns might require more stack for JIT execution. It
is a regression, as the sam

Fixed bug #76514 Regression in preg_match makes it fail with PREG_JIT_STACKLIMIT_ERROR

Looks like some patterns might require more stack for JIT execution. It
is a regression, as the same pattern was passing using JIT.

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Fix #76512: \w no longer includes unicode characters

The migration from PCRE to PCRE2 missed to rename once occurrence of
`PCRE_UCP` to `PCRE2_UCP`. We fix that. We also revert the cha

Fix #76512: \w no longer includes unicode characters

The migration from PCRE to PCRE2 missed to rename once occurrence of
`PCRE_UCP` to `PCRE2_UCP`. We fix that. We also revert the changes to
bug52971.phpt which had been incorrectly made in commit a5bc5ae[1].

[1] <http://git.php.net/?p=php-src.git;a=commit;h=a5bc5aed71f7a15f14f33bb31b8e17bf5f327e2d>

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Use zend_string_release_ex() instread of zend_string_release() in places, where we sure about string persistence.

Reduce var scope

Fixed possible incorrect "mark" usage

year++

year++

Use zend_hash_find() instead of zend_hash_find_ptr() to avoid double check

Fixed bug #75355: preg_quote() does not quote # control character

Merge branch 'PHP-7.1' into PHP-7.2

* PHP-7.1:
Fix yet one data race in PCRE

Fix yet one data race in PCRE

PCRE 8.x initializes the pattern compiler on demand during the first
pcre_study call. It could be worse, but since the compiled patterns are
cached, the

Fix yet one data race in PCRE

PCRE 8.x initializes the pattern compiler on demand during the first
pcre_study call. It could be worse, but since the compiled patterns are
cached, the locking impact is minimal. PCRE 10.x always compiles the
pattern and thread sanitizer doesn't complain about the compiler
initialization, thus the newer PCRE version seems to be unafected.

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Merge branch 'PHP-7.2'

* PHP-7.2:
Fix use after free revealed by phpdbg

Merge branch 'PHP-7.1' into PHP-7.2

* PHP-7.1:
Fix use after free revealed by phpdbg

Fix use after free revealed by phpdbg

Fixed bug #75601 Thread race in PCRE JIT support

Fixed bug #75601 Thread race in PCRE JIT support

Fixed bug #75601 Thread race in PCRE JIT support

Fix macro name

Merge branch 'PHP-7.2'

* PHP-7.2:
Fixed #75539 and #74183 - preg_last_error not returning error code after error

Merge branch 'PHP-7.1' into PHP-7.2

* PHP-7.1:
Fixed #75539 and #74183 - preg_last_error not returning error code after error

Merge branch 'PHP-7.0' into PHP-7.1

* PHP-7.0:
Fixed #75539 and #74183 - preg_last_error not returning error code after error

Fixed #75539 and #74183 - preg_last_error not returning error code after error

seemingly a tiny typo error in pcre module.

Enable and fix printf() format warnings

Add _unchecked() variants of zend_spprintf and zend_strpprintf for
cases where we specifically want to disable these checks, such as
use of %H.