Add _IS_NUMBER as cast_object() target type

convert_scalar_to_number() will now call cast_object() with an
_IS_NUMBER argument, in which case the cast handler should return
either an

Add _IS_NUMBER as cast_object() target type

convert_scalar_to_number() will now call cast_object() with an
_IS_NUMBER argument, in which case the cast handler should return
either an integer or floating point number, whichever is more
appropriate.

Previously convert_scalar_to_number() unconditionally converted
objects to integers instead.

Fixes bug #53033.
Fixes bug #54973.
Fixes bug #73108.

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Cleanup type conversion

Use zend_string_equal*() API for zend_string equality check instead of direct memcmp() usage.

Use zend_string_tolower() where it's possible (to avoid reallocations).
Allow zend_string_tolower_ex() to create parsistent strings

Fixed bug #75575

These functions are never called with needle longer than haystack,
but it makes sense to explicitly check for this, especially as we
already perform a check for empt

Fixed bug #75575

These functions are never called with needle longer than haystack,
but it makes sense to explicitly check for this, especially as we
already perform a check for empty haystack anyway, which is
naturally subsumed by a haystack_len < needle_len check.

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Enable and fix printf() format warnings

Add _unchecked() variants of zend_spprintf and zend_strpprintf for
cases where we specifically want to disable these checks, such as
use of %H.

Avoid unnecessary reference-counting on strings.

Removed "_" from API functions.

Removed useless reallocations

Avoid reallocations when concatenate with empty string

Avoid HashTable allocations for empty arrays (using zend_empty_array).

Fix datatypes and compiler warnings

Switch to size_t

Not critical as an unsigned is already used, but fixes a couple of
warnings in other areas.

Normalize signature

Fix datatypes and compiler warnings

Switch to size_t

Not critical as an unsigned is already used, but fixes a couple of
warnings in other areas.

Normalize signature

It's a function with the usual compare semantics, returning a platform
specific at least produces unnecessary warnings elsewhere and is otherwise
inappropriate.

Fix return value

Drop unused var

Fix compiler warnings

Fix compiler warning

Fix var name in arginfo

Fix cast

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Refactored recursion pretection

Fixed bug #75241 (Null pointer dereference in zend_mm_alloc_small()).

Refactored array creation API. array_init() and array_init_size() are converted into macros calling zend_new_array(). They are not functions anymore and don't return any values.

move zend_ato*() to size_t and remove casts

Simpler fix for #74974

Use compatability zend_isnan() instead of POSIX isnan()

s/isnan/zend_isnan/g

Fix compile-time optimization of NAN comparisons

further sync for vim mode lines

Use interned empty and "one char" strings.

Interned strings unification for TS/NTS

Hereby, interned strings are supported in thread safe PHP. The patch
implements two types of interned strings

- interning per process, st

Interned strings unification for TS/NTS

Hereby, interned strings are supported in thread safe PHP. The patch
implements two types of interned strings

- interning per process, strings are not freed till process end
- interning per request, strings are freed at request end

There is no runtime interning.

With Opcache, all the permanent iterned strings are copied into SHM on
startup, additional copying into SHM might happen on demand.

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Fixed bug #74084 (Out of bound read - zend_mm_alloc_small)

Update copyright headers to 2017

Update copyright headers to 2017