Update copyright headers to 2017

Update copyright headers to 2017

Export zend_s(tr)pprintf

It's annoying that in Zend you have to use zend_strpprintf instead
of strpprintf, while in PHP you have to use strpprintf instead of
zend_strpprintf.

Export zend_s(tr)pprintf

It's annoying that in Zend you have to use zend_strpprintf instead
of strpprintf, while in PHP you have to use strpprintf instead of
zend_strpprintf.

Make zend_s(tr)pprintf always available and keep s(tr)pprintf as
macro aliases.

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Merge branch 'PHP-7.1'

* PHP-7.1:
Check if PHP is in execution state.

Merge branch 'PHP-7.0' into PHP-7.1

* PHP-7.0:
Check if PHP is in execution state.

Check if PHP is in execution state.

further normalizations, uint vs uint32_t

fix merge mistake

yet one more replacement run

Merge branch 'PHP-7.0' into PHP-7.1

* PHP-7.0:
Fixed bug #73350 (Exception::__toString() cause circular references)

Fixed bug #73350 (Exception::__toString() cause circular references)

Revert "export symbol missing by phpdbg"

This reverts commit 611ab7fe5b9fe41de56c25b1d348a866794b1fb1.

Overseen strpprintf is there

(cherry picked from commit 3104882cf8733

Revert "export symbol missing by phpdbg"

This reverts commit 611ab7fe5b9fe41de56c25b1d348a866794b1fb1.

Overseen strpprintf is there

(cherry picked from commit 3104882cf873308c43dca20bdfd698dd3470a246)

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fix another mistake

(cherry picked from commit bec0121733cc5777c4d3fde8e9ff56fe68c039d3)

export symbol missing by phpdbg

(cherry picked from commit 611ab7fe5b9fe41de56c25b1d348a866794b1fb1)

fix wrong merge

(cherry picked from commit 821a230f290b7457d4223001286afe00fe887277)

Merge branch 'PHP-7.0' into PHP-7.1

* PHP-7.0:
Fix bug #73190: memcpy negative parameter _bc_new_num_ex

(cherry picked from commit af1bf873fe4fc70be17fa9f270e8f30666f2d2db)

Revert "export symbol missing by phpdbg"

This reverts commit 611ab7fe5b9fe41de56c25b1d348a866794b1fb1.

Overseen strpprintf is there

export symbol missing by phpdbg

Fix bug #73190: memcpy negative parameter _bc_new_num_ex

(cherry picked from commit 40e7baab3c90001beee4c8f0ed0ef79ad18ee0d6)

Implement \ArgumentCountError exception

Merge branch 'PHP-7.0'

Conflicts:
Zend/zend_vm_execute.h

Fix leak of class name when printing exception backtrace

Fix leak if throw_exception_object() fails

Merge branch 'PHP-7.0'

* PHP-7.0:
Fixed bug #72581 (previous property undefined in Exception after deserialization)

Conflicts:
Zend/zend_exceptions.c

Fixed bug #72581 (previous property undefined in Exception after deserialization)

Merge branch 'PHP-7.0'

* PHP-7.0:
Allow "proxy" ovjects to substitute their class names through get_class_name() handler (similar to var_dump() and others).

Allow "proxy" ovjects to substitute their class names through get_class_name() handler (similar to var_dump() and others).