Fix default sendmail path when not found during build

Closes GH-5548.

Fixed bug #71876

This is a backport of fcdc0a6db0ae63fbed9e3828137b899b844623ce
to the PHP-7.3 branch. We need to make sure that OnUpdateString
is also called for a NULL value, other

Fixed bug #71876

This is a backport of fcdc0a6db0ae63fbed9e3828137b899b844623ce
to the PHP-7.3 branch. We need to make sure that OnUpdateString
is also called for a NULL value, otherwise the reset of the encoding
at the end of the request will not work.

I believe I already tried to land this before once, but it didn't
actually end up on the PHP-7.3 branch due to a push conflict that
I only noticed just now.

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Fix #78656: Parse errors classified as highest log-level

Fix Zend signals unblocking

There are a few parts here:
* opcache should not be blocking signals while invoking compile_file,
otherwise signals may remain blocked on a compile er

Fix Zend signals unblocking

There are a few parts here:
* opcache should not be blocking signals while invoking compile_file,
otherwise signals may remain blocked on a compile error. While at
it, also protect SHM memory during compile_file.
* We should deactivate Zend signals at the end of the request, to make
sure that we gracefully recover from a missing unblock and signals
don't remain blocked forever.
* We don't use a critical section in deactivation, because it should
not be necessary. Additionally we want to clean up the signal queue,
if it is non-empty.
* Enable SIGG(check) in debug builds so we notice issues in the future.

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Add syslog.filter=raw

This passes through syslog message unchanged, without splitting
messages at newlines.

Fix bug 76596: phpdbg supports display_errors=stderr

Backport later interned strings destruction.

Future-proof email addresses

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
use

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
user who changed it.

In Git this functionality is different and can be done with Git attribute
ident. These need to be defined manually for each file in the
.gitattributes file and are afterwards replaced with 40-character
hexadecimal blob object name which is based only on the particular file
contents.

This patch simplifies handling of $Id$ keywords by removing them since
they are not used anymore.

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Rename none syslog.filter to all and update ini description

Add syslog.filter INI for filtering syslog messages

Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>

Add syslog's ident and facility parameters to config

Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>

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

Don't store values of PHP_SAPI and PHP_BINARY in file cache, because it may be used by different SAPI.

year++

year++

year++

Fixed bug #54043

Remove EH_SUPPRESS mode

It is unused and does not work in any meaningful way:
Warnings are suppressed, but everything else (both notices and
fatals) are not. It would make some sense

Remove EH_SUPPRESS mode

It is unused and does not work in any meaningful way:
Warnings are suppressed, but everything else (both notices and
fatals) are not. It would make some sense if it suppressed
warnings and lower, but right now this is a pointless mode.

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Move constants into read-only data segment

Check for binary_location allocation failure

Fix some printf() specifier usages

Use PRIu32 when printing uint32_t.
Fix some %u/%d confusions.
Add some casts where types are not standardized.

Ensure shift doesn't overflow, closes #2916

Start RC_DEBUG at the end of MINIT and finish in MSHUTDOWN after all worker threads are terminated.

Switch back from "request" interned strings storage to "permanent" in MSHUTDOWN