Fix GH-7759: Incorrect return types for hash() and hash_hmac()

`hash()` and `hash_hmac()` never return `false`; only `hash_file()` and
`hash_hmac_file()` return `false` in case the data

Fix GH-7759: Incorrect return types for hash() and hash_hmac()

`hash()` and `hash_hmac()` never return `false`; only `hash_file()` and
`hash_hmac_file()` return `false` in case the data cannot be read.

Closes GH-7760.

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Fix error message allocation of PDO PgSQL

Closes GH-7723.

Fix #81585: cached_chunks are not counted to real_size on shutdown

The amount of allocated system memory is kept in `real_size`, including
the allocated `cached_chunks`. Thus, we need t

Fix #81585: cached_chunks are not counted to real_size on shutdown

The amount of allocated system memory is kept in `real_size`, including
the allocated `cached_chunks`. Thus, we need to keep the proper count
at the end of the shutdown.

Closes GH-7745.

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Fix #75917: SplFileObject::seek broken with CSV flags

Closes GH-7697.

fix #81656: GCC-11 silently ignores -R

Closes GH-7688.

Bump for 8.0.15

Merge branch 'PHP-7.4' into PHP-8.0

* PHP-7.4:
Fix #74604: Out of bounds in php_pcre_replace_impl

Fix #74604: Out of bounds in php_pcre_replace_impl

Trying to allocate a `zend_string` with a length only slighty smaller
than `SIZE_MAX` causes an integer overflow; we make sure that thi

Fix #74604: Out of bounds in php_pcre_replace_impl

Trying to allocate a `zend_string` with a length only slighty smaller
than `SIZE_MAX` causes an integer overflow; we make sure that this
doesn't happen by catering to the maximal overhead of a `zend_string`.

Closes GH-7597.

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Merge branch 'PHP-7.4' into PHP-8.0

* PHP-7.4:
Fix #81659: stream_get_contents() may unnecessarily overallocate

Fix #81659: stream_get_contents() may unnecessarily overallocate

Since we're going to read from the current stream position anyway, the
`max_len` should be the size of the file minus the

Fix #81659: stream_get_contents() may unnecessarily overallocate

Since we're going to read from the current stream position anyway, the
`max_len` should be the size of the file minus the current position
(still catering to potentially filtered streams). We must, however,
make sure to cater to the file position being beyond the actual file
size.

While we're at, we also fix the step size in the comment, which is 8K.

A further optimization could be done for unfiltered streams, thus
saving that step size, but 8K might not be worth it.

Closes GH-7693.

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Fix #81649: imap_(un)delete accept sequences, not single numbers

As such, the parameter name `$message_num` is utmost misleading; it
should be `$message_nums` as for other functions.

Fix #81649: imap_(un)delete accept sequences, not single numbers

As such, the parameter name `$message_num` is utmost misleading; it
should be `$message_nums` as for other functions.

Closes GH-7686.

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Fix bug #81652

We need to check not only for defs but also for uses of the
variable.

Merge branch 'PHP-7.4' into PHP-8.0

* PHP-7.4:
Fix #75725: ./configure: detecting RAND_egd

Fix #75725: ./configure: detecting RAND_egd

Closes GH-7668.

Fixed bug #81631

We need to save the opline before fetching the operand, as it may
throw an undef var warning.

[ci skip] Merge branch 'PHP-7.4' into PHP-8.0

* PHP-7.4:
[ci skip] Fix news entry for bug #79971
[ci skip] Update NEWS

[ci skip] Merge branch 'PHP-7.3' into PHP-7.4

* PHP-7.3:
[ci skip] Fix news entry for bug #79971
[ci skip] Update NEWS

[ci skip] Fix news entry for bug #79971

Merge branch 'PHP-7.4' into PHP-8.0

* PHP-7.4:
Fixed bug #81626

Fixed bug #81626

Backport of a8926474cb2c68cde2a7c0d19bcd95cdbda55ad2 to 7.4.

Merge branch 'PHP-7.4' into PHP-8.0

* PHP-7.4:
Fix bug #81618: Correct dns_get_record on FreeBSD

Fix bug #81618: Correct dns_get_record on FreeBSD

Modify dns_get_record to test for records result based on dns_errno to
accommodate modern FreeBSD, for which res_nsearch() does not upda

Fix bug #81618: Correct dns_get_record on FreeBSD

Modify dns_get_record to test for records result based on dns_errno to
accommodate modern FreeBSD, for which res_nsearch() does not update
h_errno directly. Add new php_dns_errno macro, and have it consult
statp->res_h_errno when OS has res_nsearch().

Closes GH-7655.

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[ci skip] Update NEWS

Merge branch 'PHP-7.4' into PHP-8.0

Fix bug #81513 (Future possibility for heap overflow in FPM zlog)

This fixes currently unused code path in zlog that could lead to
the heap overflow in the future.