Merge branch 'PHP-7.2' into PHP-7.3

* PHP-7.2:
Fix #75696: posix_getgrnam fails to print details of group

Merge branch 'PHP-7.1' into PHP-7.2

* PHP-7.1:
Fix #75696: posix_getgrnam fails to print details of group

Fix #75696: posix_getgrnam fails to print details of group

According to the POSIX specification of `getgrnam_r()` the result of
`sysconf(_SC_GETGR_R_SIZE_MAX)` is an initial value sugges

Fix #75696: posix_getgrnam fails to print details of group

According to the POSIX specification of `getgrnam_r()` the result of
`sysconf(_SC_GETGR_R_SIZE_MAX)` is an initial value suggested for the
size of the buffer, and `ERANGE` signals that insufficient storage was
supplied. So if we get `ERANGE`, we try again with a buffer twice as
big, and so on, instead of failing.

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[ci skip] Update NEWS

Fix #76820: Z_COPYABLE invalid definition

We remove the extraneous parenthesis.

NEWS for #76818

Prep for 7.1.23

Update NEWS

[ci skip] Update NEWS wrt. php-7.3.0beta3 tagging

bump to 7.2.11-dev

Merge branch 'PHP-7.2' into PHP-7.3

* PHP-7.2:
Fix #68180: iconv_mime_decode can return extra characters in a header

Merge branch 'PHP-7.1' into PHP-7.2

* PHP-7.1:
Fix #68180: iconv_mime_decode can return extra characters in a header

Fix #68180: iconv_mime_decode can return extra characters in a header

Basically, the algorithm to append a converted string to an existing
`smart_str` works by increasing the `smart_str`

Fix #68180: iconv_mime_decode can return extra characters in a header

Basically, the algorithm to append a converted string to an existing
`smart_str` works by increasing the `smart_str` buffer, to let `iconv`
convert characters until there is no more space, to set the new length
of the `smart_str` and to repeat until there is no more input.

Formerly, the new length calculation has been wrong, though, since we
would have to take the old `out_len` into account (`buf_growth -
old_out_len - out_len`). However, since there is no need to take the
old `out_len` into account when increasing the `smart_str` buffer, we
can simplify the fix, avoiding an additional variable.

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Merge branch 'PHP-7.2' into PHP-7.3

* PHP-7.2:
Fix #60494: iconv_mime_decode does ignore special characters

Merge branch 'PHP-7.1' into PHP-7.2

* PHP-7.1:
Fix #60494: iconv_mime_decode does ignore special characters

Fix #60494: iconv_mime_decode does ignore special characters

We must not ignore erroneous characters in mime headers, but rather let
iconv_mime_decode() fail in this case, issuing the us

Fix #60494: iconv_mime_decode does ignore special characters

We must not ignore erroneous characters in mime headers, but rather let
iconv_mime_decode() fail in this case, issuing the usual notice
regarding illegal characters.

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Merge branch 'PHP-7.2' into PHP-7.3

* PHP-7.2:
Fix #63839: iconv_mime_decode_headers function is skipping headers

Merge branch 'PHP-7.1' into PHP-7.2

* PHP-7.1:
Fix #63839: iconv_mime_decode_headers function is skipping headers

Fix #63839: iconv_mime_decode_headers function is skipping headers

We have to cater to the possibility that `=?` is not the start of an
encoded-word, but rather a literal `=?`. If a lin

Fix #63839: iconv_mime_decode_headers function is skipping headers

We have to cater to the possibility that `=?` is not the start of an
encoded-word, but rather a literal `=?`. If a line break is found
while we're still looking for the charset, we can safely assume that
it's a literal `=?`, and act accordingly.

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Merge branch 'PHP-7.2' into PHP-7.3

* PHP-7.2:
Fix #55146: iconv_mime_decode_headers() skips some headers

Merge branch 'PHP-7.1' into PHP-7.2

* PHP-7.1:
Fix #55146: iconv_mime_decode_headers() skips some headers

Fix #55146: iconv_mime_decode_headers() skips some headers

If we're expecting the start of an encoded word (`=?`), but instead of
the question mark get a line break (CR or LF), we must n

Fix #55146: iconv_mime_decode_headers() skips some headers

If we're expecting the start of an encoded word (`=?`), but instead of
the question mark get a line break (CR or LF), we must not append it to
the `pretval`.

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Fix #53891: iconv_mime_encode() fails to Q-encode UTF-8 string

The minimum length of an encoded-word is actually the pure encoding
overhead plus the length of the `output-charset` plus t

Fix #53891: iconv_mime_encode() fails to Q-encode UTF-8 string

The minimum length of an encoded-word is actually the pure encoding
overhead plus the length of the `output-charset` plus the minimum unit
of encoded text, which is 4 for B-encoding and (for simplicity) 3 for
Q-encoding. We also cater to the possibility that we need further
encoded words, which would be split by the `line-break-chars` followed
by a space character. Obviously, the former `out_charset_len + 12` is
too simplistic and wrong in the given case (where the magic number
would be 13).

These simplifications are somewhat wasteful, but iconv_mime_encode()
with Q-encoding is wasteful anyway (see bug 66828[1]), and the proper
solution to convert the whole input to the desired output charset
upfront, and applying the encoding afterwards appears too much a change
for the stable releases.

[1] <https://bugs.php.net/66828>

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Fix #76712: Assignment of empty string creates extraneous text node

We work around this peculiarity of libxml by using xmlNodeSetContent(),
which does not exhibit this behavior. This al

Fix #76712: Assignment of empty string creates extraneous text node

We work around this peculiarity of libxml by using xmlNodeSetContent(),
which does not exhibit this behavior. This also saves us from manually
calculating the string length.

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Merge branch 'PHP-7.2' into PHP-7.3

* PHP-7.2:
Fix #68825: Exception in DirectoryIterator::getLinkTarget()