FFI::memcmp
(PHP 7 >= 7.4.0, PHP 8)
FFI::memcmp โ ใกใขใช้ ๅใๆฏ่ผใใ
่ชฌๆ
public static function FFI::memcmp(string|FFI\CData
&$ptr1, string|FFI\CData &$ptr2, int $size): int
ใกใขใช้ ๅ ptr1 ใจ ptr2 ใ
size ใใคใๅๆฏ่ผใใพใใ
ptr1 ใ ptr2 ใใ
ใใคใใฃใใใผใฟๆง้ (FFI\CData) ใพใใฏ
PHP ใฎ string ใซใงใใพใใ
ใใฉใกใผใฟ
ptr1- ไธๆนใฎใกใขใช้ ๅใฎ้ๅงไฝ็ฝฎใ
ptr2- ใใไธๆนใฎใกใขใช้ ๅใฎ้ๅงไฝ็ฝฎใ
size- ๆฏ่ผใใใใคใๆฐใ
ๆปใๅค
ptr1 ใใๅงใพใใกใขใช้ ๅใฎไธญ่บซใ
ptr2 ใใๅงใพใใกใขใช้ ๅใฎไธญ่บซใใๅฐใใใใฐใ
0 ใใๅฐใใๅคใ่ฟใใพใใ
ptr1 ใ ptr2 ใใๅคงใใใใฐใ
0 ใใๅคงใใๅคใ่ฟใใพใใ
ไธก่
ใ็ญใใใใฐ 0 ใ่ฟใใพใใ
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