Implement #65038: IMAGETYPE_WEBP constant missing

We add WebP support for getimagesize(), getimagesizefromstring)(),
image_type_to_extension() and image_type_to_mime_type(). For now we

Implement #65038: IMAGETYPE_WEBP constant missing

We add WebP support for getimagesize(), getimagesizefromstring)(),
image_type_to_extension() and image_type_to_mime_type(). For now we
care only about the simple lossy WebP format (VP8) and ignore the
lossless (VP8L) and extended (VP8X) formats. We use image/webp as MIME
type as it appears to be pretty common, even though it is not yet
registered with IANA.

Relevant specifications:
* <https://developers.google.com/speed/webp/docs/riff_container>
* <https://tools.ietf.org/html/rfc6386>

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Document that ext/shmop deals with resources as of PHP 7.0.0

Second attempt

Document that ext/shmop deals with resources as of PHP 7.0.0

Fix #73207: Array ordering is same between 5.6.21 and 7.1.0 RC3

Update UPGRADING to reflect new reality

Use SEND_USER for CONST|TMP as well

Otherwise we're missing the "expected to be a reference, value
given" warning that appears for ordinary calls to call_user_func().

Also updat

Use SEND_USER for CONST|TMP as well

Otherwise we're missing the "expected to be a reference, value
given" warning that appears for ordinary calls to call_user_func().

Also update an UPGRADING note with recent changes wrt
call_user_func().

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Fix #72430: [] operator not supported for strings

Fix typo in UPGRADING

Fix some grammatical errors in PHP 7.1 Upgrade Notes

[skip ci]

Update NEWS and UPGRADING

Update UPGRADING

Revert "Do not prepend ? on nullables in ReflectionType::__toString()"

This reverts commit 8855a2ce76e8bfba1d2eea1345c765fde7a9a441.

Do not prepend ? on nullables in ReflectionType::__toString()

Better BC with 7.0.

Updated UPGRADING about function call args

update UPGRADING

Fix #72793: xml_parser_free leaks mem when execute xml_set_object

Merge RFC: Session ID without hashing
https://wiki.php.net/rfc/session-id-without-hashing

Show "or null" in TypeErrors for nullable arg_infos

ReflectionType improvements

Added ReflectionNamedType and updated ReflectionType::__toString()

Fix URL rewriter issues

Class constant visibility modifiers are now supported

Implement #38992: invoke() and invokeArgs() static method calls should match

We don't want ReflectionMethod::invoke() to simply ignore its first argument,
if the method to invoke is a st

Implement #38992: invoke() and invokeArgs() static method calls should match

We don't want ReflectionMethod::invoke() to simply ignore its first argument,
if the method to invoke is a static method. Instead we match its ZPP with
that of ReflectionMethod::invokeArgs(). Furthermore, we apply the DRY
principle by factoring out the code to a common helper function to prevent
inadvertent future divergence of the implementations of both methods.

As can be seen from the necessity to adapt some test cases, this causes a
BC break for some pathological cases. Therefore we apply this patch to PHP
7.1 only, which is still in beta phase.

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Fix #72711: `mb_ereg` does not clear the `$regs` parameter on failure

When `mb_ereg` failed to match, it didn't update the `$regs` argument.
Now it will always set it to the empty array.

Add new curl functions in UPGRADING

Fixed bug #71929 (CURLINFO_CERTINFO data parsing error).