use the delivered global arg instead of fetching it

Merge branch 'PHP-7.1'

* PHP-7.1:
initialize valid_symbol_table, important for the main thread

Merge branch 'PHP-7.0' into PHP-7.1

* PHP-7.0:
initialize valid_symbol_table, important for the main thread

initialize valid_symbol_table, important for the main thread

to prevent php_errormsg population on invalid symlol_table

Added EG(flags) - executor global flags
EG_FLAGS_IN_SHUTDOWN - is set when PHP is in shutdown state

Merge branch 'PHP-7.1'

* PHP-7.1:
NEWS
NEWS
Fixed bug #73965 DTrace reported as enabled when disabled

Merge branch 'PHP-7.0' into PHP-7.1

* PHP-7.0:
NEWS
Fixed bug #73965 DTrace reported as enabled when disabled

Fixed bug #73965 DTrace reported as enabled when disabled

move some var declarations to the top for better grouping

Merge branch 'PHP-7.1'

* PHP-7.1:
Remove redundant reference handling
Fixed bug #73916 (zend_print_flat_zval_r doesn't consider reference)

Remove redundant reference handling

Fixed bug #73916 (zend_print_flat_zval_r doesn't consider reference)

Update copyright headers to 2017

Update copyright headers to 2017

Update copyright headers to 2017

Make printf_to_smart_str(ing) the primitive printf operation

vs(tr)pprintf is now implemented in Zend on top of
printf_to_smart_str(int), which is provided as a utility function.

Make printf_to_smart_str(ing) the primitive printf operation

vs(tr)pprintf is now implemented in Zend on top of
printf_to_smart_str(int), which is provided as a utility function.

This allows us to efficiently printf to the end of a smart string.

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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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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:
Disabled PHP call tracing by default (it makes significant overhead). This may be enabled again using envirionment variable USE_ZEND_DTRA

Merge branch 'PHP-7.0' into PHP-7.1

* PHP-7.0:
Disabled PHP call tracing by default (it makes significant overhead). This may be enabled again using envirionment variable USE_ZEND_DTRACE=1.

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Disabled PHP call tracing by default (it makes significant overhead).
This may be enabled again using envirionment variable USE_ZEND_DTRACE=1.

Revert "Introduced zend.enable_dtrace INI directive to enable/disable PHP call tracing"

This reverts commit 01239b0effbc1839aca6d03cdd4c3a0c1a509798.

Introduced zend.enable_dtrace INI directive to enable/disable PHP call tracing

Implement \ArgumentCountError exception

Rewrite watchpoints to be much more stable

This mainly involves a separate abstraction layer for elements (e.g. $a->b) and watchpoints (on pointer of the Bucket for example).
Also better

Rewrite watchpoints to be much more stable

This mainly involves a separate abstraction layer for elements (e.g. $a->b) and watchpoints (on pointer of the Bucket for example).
Also better comparison handling (value backup vs. page dumps).

It is not yet finished (there are sometimes false positives announced and names not yet perfect), but the functionality is working and not crashing as far as I have tested.
Future scope is also relative watchpoints, e.g. "w $this->val expression()" which does not have the symbol tables as basis, but the value (in this example: return value of expression()) as basis.

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Turn safe timeout handling into general interrupt handling ability.