Fix a typo in opcache func info for "get_parrent_class"

This should only have one r.
http://php.net/get_parent_class mentions that it returns string|false

Also, I'm not 100% sur

Fix a typo in opcache func info for "get_parrent_class"

This should only have one r.
http://php.net/get_parent_class mentions that it returns string|false

Also, I'm not 100% sure if this is right - should this include
MAY_BE_NULL to handle the case of too many parameters?
(then again, get_called_class() also returns null in the global scope)

```
php > var_export(get_parent_class(2,3));
Warning: get_parent_class() expects at most 1 parameter, 2 given in php
shell code on line 1
NULL
```

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Fix accidentially dropped type

I only meant to drop the MAY_BE_FALSE here, not the MAY_BE_ARRAY...

Remove possible false return value from get_object_vars()

I'm not sure this one ever happens in practice (and we might want
to forbid NULL return from get_properties), but if it does, re

Remove possible false return value from get_object_vars()

I'm not sure this one ever happens in practice (and we might want
to forbid NULL return from get_properties), but if it does, return
an empty array instead of false.

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Finish func_info updates for ext/standard

Expect string argument in hexdec, octdec, bindec

Instead of accepting zval and converting to string. Also rewrite the
functions to make it obvious that they cannot return false.

Add Z_PARAM_NUMBER and use it for some functions

A few more func info updates

Use TypeError instead of warning in implode()

These are again manual argument type checks.

escapeshellarg/escapeshellcmd: Throw TypeError instead of E_ERROR

Update more func info information for ext/standard

Revert accidental changes

These MAY_BE_FALSE should not have been dropped...

hebrev/hebrevc: Don't return false for empty string

There is nothing special about the empty string in this context,
we should pass it through unchanged.

Update MAY_BE_NULL info for more ext/standard functions

Update MAY_BE_NULL for parts of ext/standard

Also update proto comments to be more accurate.

Update MAY_BE_NULL func_info for Zend functions

These cannot return NULL anymore in PHP 8.

Remove FUNC_MAY_WARN

We are no longer constructing the local symbol table when calling
error handlers since 2f1f34952e9a0dfb3adcbec82ba69f4ac82b3a3d,
which was the original motivatio

Remove FUNC_MAY_WARN

We are no longer constructing the local symbol table when calling
error handlers since 2f1f34952e9a0dfb3adcbec82ba69f4ac82b3a3d,
which was the original motivation for having this information and
was used in an earlier version of the JIT.

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zend_func_info: Remove unnecessary type callbacks

In PHP 8 these functions will throw on invalid arguments, so there
is no need to distinguish the error cases.

Remove special handling of zero-arg funcs in func_info

In PHP 8 we always throw on zpp failure, so we can always return the
type for the valid argument case only. We'll want to also adju

Remove special handling of zero-arg funcs in func_info

In PHP 8 we always throw on zpp failure, so we can always return the
type for the valid argument case only. We'll want to also adjust the
return type listings based on that (and drop MAY_BE_NULL/MAY_BE_FALSE
where possible).

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Func info: Fix calls to zero-arg varargs

The num_args does not include variadics, so a "zero-arg" function
may accept additional arguments through that. No functions seem
to be affec

Func info: Fix calls to zero-arg varargs

The num_args does not include variadics, so a "zero-arg" function
may accept additional arguments through that. No functions seem
to be affected right now, but they will be after #4175.

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Func info: Fix calls to zero-arg varargs

The num_args does not include variadics, so a "zero-arg" function
may accept additional arguments through that. No functions seem
to be affec

Func info: Fix calls to zero-arg varargs

The num_args does not include variadics, so a "zero-arg" function
may accept additional arguments through that. No functions seem
to be affected right now, but they will be after #4175.

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Remove functions from func_info that were removed in PHP 7

array_merge() may return argument with incremented reference counter

Remove HAVE_STRFTIME

Function strftime is part of the C89 standard [1] and current systems
don't need to check for its presence anymore.

Additionally, checks for strftime functi

Remove HAVE_STRFTIME

Function strftime is part of the C89 standard [1] and current systems
don't need to check for its presence anymore.

Additionally, checks for strftime function in tests have been removed
since the PHP strftime function is now always available.

1: https://port70.net/~nsz/c/c89/c89-draft.html

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Return empty str from quotemeta() on empty str

Remove copyright years.