FFI::memcmp
(PHP 7 >= 7.4.0, PHP 8)
FFI::memcmp — Compares memory areas
Descripción
Compares size bytes from the memory areas ptr1 and
ptr2. Both ptr1 and ptr2
can be any native data structures (FFI\CData) or PHP
strings.
Parámetros
-
ptr1 -
The start of one memory area.
-
ptr2 -
The start of another memory area.
-
size -
The number of bytes to compare.
Valores devueltos
Returns a value less than 0 if the contents of the memory area starting at ptr1
are considered less than the contents of the memory area starting at ptr2,
a value greater than 0 if the contents of the first memory area are considered greater than the second,
and 0 if they are equal.
add a note
User Contributed Notes
There are no user contributed notes for this page.
