Merge branch 'PHP-7.3'

* PHP-7.3:
fix double cast to int on 32-bit

Merge branch 'PHP-7.2' into PHP-7.3

* PHP-7.2:
fix double cast to int on 32-bit

Merge branch 'PHP-7.1' into PHP-7.2

* PHP-7.1:
fix double cast to int on 32-bit

fix double cast to int on 32-bit

Keep information about unresolved interfaces in zend_class_entry->interface_names.
Move interface implementation code into ZEND_DECLARE_*CLASS opcodes.
Remove ZEND_ADD_INTERFACE and ZEND_VER

Keep information about unresolved interfaces in zend_class_entry->interface_names.
Move interface implementation code into ZEND_DECLARE_*CLASS opcodes.
Remove ZEND_ADD_INTERFACE and ZEND_VERIFY_ABSTRACT_CLASS opcodes.

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Split add/sub_function(s) into fast and slow parts

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
use

Remove unused Git attributes ident

The $Id$ keywords were used in Subversion where they can be substituted
with filename, last revision number change, last changed date, and last
user who changed it.

In Git this functionality is different and can be done with Git attribute
ident. These need to be defined manually for each file in the
.gitattributes file and are afterwards replaced with 40-character
hexadecimal blob object name which is based only on the particular file
contents.

This patch simplifies handling of $Id$ keywords by removing them since
they are not used anymore.

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API cleanup.
Removed useless filename and lineno arguments, used in DEBUG build.
The patch doesn't break source compatibility of public API (only binary compatibility).

Removed deprecated condition

Use zval_ptr_dtor() instead of zval_dtor() in in-place array/object conversion functions

Conversion related optimizations

Removed legacy zval_dtor() usage. It doesn't work with zvals with refcount == 0, anyway.

Fixed some incorrect zval_dtor() usages

se zval_ptr_dtor_str() instead of zend_string_release_ex(Z_STR(*), 0)

concat_function() micro optimization

Avoid agressive inlining in rarely used paths

Removed useless zval_ptr_dtor()

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

Avoid double copying

Use bool instead of boolean

Added zendi_smart_streq() for smart string equality check

Convert "sparse switch" statements into sequences of "if" with the most probable conditions first

Trailing whitespaces

Signed-off-by: Gabriel Caruso <carusogabriel34@gmail.com>

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