Fix delayed early binding with optimization

It's possible for delayed early binding opcodes to get optimized
away if they are "unreachable". However, we still need to attempt
early b

Fix delayed early binding with optimization

It's possible for delayed early binding opcodes to get optimized
away if they are "unreachable". However, we still need to attempt
early binding for them. (In some cases we also corrupt the early
binding list outright during optimization, which is how I got here.)

Fix this by storing information about delayed early binding
independently of DECLARE_CLASS_DELAYED opcodes, so early binding is
performed even after the opcode has been dropped.

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Update http->https in license (#6945)

1. Update: http://www.php.net/license/3_01.txt to https, as there is anyway server header "Location:" to https.
2. Update few license 3.0 to 3.01 as

Update http->https in license (#6945)

1. Update: http://www.php.net/license/3_01.txt to https, as there is anyway server header "Location:" to https.
2. Update few license 3.0 to 3.01 as 3.0 states "php 5.1.1, 4.1.1, and earlier".
3. In some license comments is "at through the world-wide-web" while most is without "at", so deleted.
4. fixed indentation in some files before |

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Remove unnecessary php.h includes from Zend/

The Zend/ directory really shouldn't be including php headers.
These particular includes are plain unnecessary.

Move optimizer into core

This only moves the files, adjusts the build system, exports APIs
and does minor fixups to make sure the code builds.

This does not yet try to make the

Move optimizer into core

This only moves the files, adjusts the build system, exports APIs
and does minor fixups to make sure the code builds.

This does not yet try to make the optimizer usable independently
of opcache.

Closes GH-6642.

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