FFI::memcmp

(PHP 7 >= 7.4.0)

FFI::memcmpCompares memory areas

Descrizione

public static FFI::memcmp ( mixed &$ptr1 , mixed &$ptr2 , int $size ) : int

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.

Elenco dei parametri

ptr1

The start of one memory area.

ptr2

The start of another memory area.

size

The number of bytes to compare.

Valori restituiti

Returns < 0 if the contents of the memory area starting at ptr1 are considered less than the contents of the memory area starting at ptr2, > 0 if the contents of the first memory area are considered greater than the second, and 0 if they are equal.

add a note add a note

User Contributed Notes

There are no user contributed notes for this page.
To Top