implement fseek for zip stream when possible with libzip 1.9.1

Add ZipArchive::clearError, getStreamIndex and getStreamName methods

public function clearError(): void {}
public function getStreamIndex(int $index, int $flags = 0) {}
p

Add ZipArchive::clearError, getStreamIndex and getStreamName methods

public function clearError(): void {}
public function getStreamIndex(int $index, int $flags = 0) {}
public function getStreamName(string $name, int $flags = 0) {}

ZipArchive::getStream is kept for BC

See https://github.com/pierrejoye/php_zip/issues/20

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Fix #80833 ZipArchive::getStream doesn't use setPassword

Update http->https in license (#6945)

1. Update: http://www.php.net/license/3_01.txt to https, as there is anyway server header "Location:" to https.
2. Update few license 3.0 to 3.01 as

Update http->https in license (#6945)

1. Update: http://www.php.net/license/3_01.txt to https, as there is anyway server header "Location:" to https.
2. Update few license 3.0 to 3.01 as 3.0 states "php 5.1.1, 4.1.1, and earlier".
3. In some license comments is "at through the world-wide-web" while most is without "at", so deleted.
4. fixed indentation in some files before |

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Fix [-Wundef] warning in ZIP extension

Remove mention of PHP major version in Copyright headers

Closes GH-4732.

Report errors from stream read and write operations

The php_stream_read() and php_stream_write() functions now return
an ssize_t value, with negative results indicating failure. Function

Report errors from stream read and write operations

The php_stream_read() and php_stream_write() functions now return
an ssize_t value, with negative results indicating failure. Functions
like fread() and fwrite() will return false in that case.

As a special case, EWOULDBLOCK and EAGAIN on non-blocking streams
should not be regarded as error conditions, and be reported as
successful zero-length reads/writes instead. The handling of EINTR
remains unclear and is internally inconsistent (e.g. some code-paths
will automatically retry on EINTR, while some won't).

I'm landing this now to make sure the stream wrapper ops API changes
make it into 7.4 -- however, if the user-facing changes turn out to
be problematic we have the option of clamping negative returns to
zero in php_stream_read() and php_stream_write() to restore the
old behavior in a relatively non-intrusive manner.

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Remove yearly range from copyright notice

Remove year range from copyright notice

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

year++

year++

year++

Turn "php_stream_wrapper"s into constants
Keep non-constant "php_stream_wrapper"s in API functions and callbacks for compatibility.

Move constants into read-only data segment

Fix segfault in php_stream_context_get_option call

cleanup

ssite_t is used in lot of places, without need for this.
If really needed, should be in global location, not in an extension

Zip: add support for encrypted archive

Update copyright headers to 2017

Update copyright headers to 2017

Update copyright headers to 2017

Improve fix for #72520

Fix fir bug #72520

Fixed compilation warnings

cleanup $Id