bump year which is missed in rev 49493a2

Introduce BIND_LEXICAL

This opcodes inserts a local CV into the closure static variable
table. This replaces the previous mechanism of having static
variables marked as LEXICAL, whic

Introduce BIND_LEXICAL

This opcodes inserts a local CV into the closure static variable
table. This replaces the previous mechanism of having static
variables marked as LEXICAL, which perform a symtable lookup
during copying.

This means a) functions which contain closures no longer have to
rebuild their symtable (better performance) and b) we can now track
used variables in SSA.

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Set called_scope in Closure::call (fixes bug #70987)

Forbid "fake" closure rebinding

Normalize rebinding failures

Move all rebinding checks into one function to make sure they stay
in sync. Normalize return value to be NULL for all rebinding
failures, instead of retu

Normalize rebinding failures

Move all rebinding checks into one function to make sure they stay
in sync. Normalize return value to be NULL for all rebinding
failures, instead of returning an improperly bound closure in some
cases.

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Merge branch 'PHP-5.6' into PHP-7.0

Improve previous fix

Don't forbid null binding on plain functions.

Merge branch 'PHP-5.6' into PHP-7.0

Fixed bug #70681

Fixed bug #70630 (Closure::call/bind() crash with ReflectionFunction->getClosure())

Fixed infinity recurion if we create closure on top of other closure.

Fixed use after free

Fixed bug #70674 (ReflectionFunction::getClosure() leaks memory when used for internal functions)

Revert "Fixed bug #70630 (Closure::call/bind() crash with ReflectionFunction->getClosure())"

This reverts commit 517b5536259ecf7697f353f4bfbafde857fc1f81.

Revert "Improve 517b55362 (scope rebinding on method Closures)"

This reverts commit 881c50252066132f83e190325e344f532be19033.

Revert "Allow random $this on non-internal Closures again"

This reverts commit 35d0405c4790f0ce668c9e1b8b05197e55d29a05.

Allow random $this on non-internal Closures again
As it turns out, there is actually no reason to prevent this, it even was a bigger BC break than expected...

Also fixes a memory leak (t

Allow random $this on non-internal Closures again
As it turns out, there is actually no reason to prevent this, it even was a bigger BC break than expected...

Also fixes a memory leak (the Closure leaks) when calling internal functions via Closure by moving it out of leave helper onto caller side for TOP_CODE:

$z = new SplStack; $z->push(20);
$x = (new ReflectionMethod("SplStack", "pop"))->getClosure($z);
var_dump($x());

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Improve 517b55362 (scope rebinding on method Closures)
Now it is completely impossible to rebind a scoped method Closure (only the kind you get from ReflectionMethod::getClosure()) to a foreign s

Improve 517b55362 (scope rebinding on method Closures)
Now it is completely impossible to rebind a scoped method Closure (only the kind you get from ReflectionMethod::getClosure()) to a foreign scope
Adding a lot of tests to ensure this...
Also, properly return NULL in case the Closure could not be created instead of some crippled unbound Closure

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Fixed bug #70630 (Closure::call/bind() crash with ReflectionFunction->getClosure())
This additionally removes support for binding to an unknown (not in parent hierarchy) scope.
Removing suppo

Fixed bug #70630 (Closure::call/bind() crash with ReflectionFunction->getClosure())
This additionally removes support for binding to an unknown (not in parent hierarchy) scope.
Removing support for cross-scope is necessary for certain compile-time assumptions (like class constants) to prevent unexpected results

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Revert accidentally committed closures.c and execute.c

Optimize zend_mm_small_size_to_bin()
It removes a cmov operation and has a much faster branch for small allocations (especially when handling strings) (<= 64 bytes)

Fixed bug #70397 (Segmentation fault when using Closure::call and yield)

Mark error and exception functions as "cold" (Matt's idea)

Use NULL where possible for exception class

Matches usage of zend_throw_exception()/zend_throw_exception_ex().

Remove need to pass error level