Fix RT_CONSTANT_EX typo

Inline simple constant functions

Split ZEND_SEND_VAR_NO_REF into ZEND_SEND_VAR_NO_REF and ZEND_SEND_VAR_NO_REF_EX (similar to ZEND_SEND_VAL) and remove ZEND_ARG_* flags.

Support known static/method calls in call graph

For this purpose extract the function lookup call into a helper
zend_optimizer_get_called_func().

Ct bind private/final $this method call args

The test covers two edge-cases wrt opcache support.

Use DO_FCALL_BY_NAME instead of DO_FCALL, if possible

Fix static method arg binding in traits

Fix FETCH_CLASS_SELF comparisons

Turns out those don't form a bitfield.

Statically bind static method call arguments

If we know what method will be called, use ct-bound send opcodes.

The intl test is changed because a runtime error changed to a
comp

Statically bind static method call arguments

If we know what method will be called, use ct-bound send opcodes.

The intl test is changed because a runtime error changed to a
compile-time error.

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Improve the names

Happy new year (Update copyright to 2016)

Speed up fetching of class entries for self:: parent:: and static::

This is generalized solution for Bob's idea of speed up self::method() calls without ZEND_FETCH_CLASS.

At first,

Speed up fetching of class entries for self:: parent:: and static::

This is generalized solution for Bob's idea of speed up self::method() calls without ZEND_FETCH_CLASS.

At first, it adds few new opcodes to separate class related behaviour:
FETCH_STATIC_PROP_R
FETCH_STATIC_PROP_W
FETCH_STATIC_PROP_RW
FETCH_STATIC_PROP_FUNC_ARG
FETCH_STATIC_PROP_UNSET
FETCH_STATIC_PROP_IS
UNSET_STATIC_PROP
ISSET_ISEMPTY_STATIC_PROP
FETCH_CLASS_CONSTANT

At seconds, it enables IS_UNUSED operand to fetch (self, parent or static without separate FETCH_CLASS) for new opcodes and the following ones:
INIT_STATIC_METHOD_CALL
NEW
END_INSTANCEOF

Finaly, opcache optimizer had to be fixed to support new opcodes.

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Fixed bug #69159 (Opcache causes problem when passing a variable variable to a function)

Added specialized versions of DO_FCALL handler:
DO_ICALL - for internal functions
DO_UCALL - for user functions
DO_FCALL_BY_NAME - plain, most probably user, funcstions (not methods)

Split INIT_FCALL_BY_NAME inti INIT_FCALL_BY_NAME(CONST+STRING) and INIT_DYNAMIC_CALL(CONST-STRING|TMPVAR|CV)

bump year

trailing whitespace removal

first shot remove TSRMLS_* things

Make ZEND_INIT_FCALL keep predcalculted size of necessary stack space in opline->op1.num to avoid its recalculation on each execution.

SEND_VAR_NO_REF optimization

Refactored optimizer (compile different opimizer passes separately, instead of including *.c file)

Fixed incorrect ZEND_INIT_FCALL_BY_NAME -> ZEND_INIT_FCALL conversion

ZEND_INIT_FCALL_BY_NAME can have non-string literal

Add copyright header

Remove old version PHP supports