(PHP 7 >= 7.4.0, PHP 8)
ReflectionReference::getId โ ใชใใกใฌใณในใฎใฆใใผใฏใชIDใๅๅพใใ
ใชใใกใฌใณในใ็ใใฆใใ้ใใชใใกใฌใณในๅไฝใงใฆใใผใฏใชIDใ่ฟใใพใใ ใใฎIDใฏๅใใชใใกใฌใณในใงใใใใๆฏ่ผใใใฎใซไฝฟใใพใใใ ๆข็ฅใฎใชใใกใฌใณในใฎใใใใณใฐใ็ฎก็ใใใฎใซใไฝฟใใพใใ
ใใฎ้ขๆฐใซใฏใใฉใกใผใฟใฏใใใพใใใ
ๆๅญๅใ่ฟใใพใใใใฉใผใใใใฏๆฑบใพใฃใฆใใพใใใ
ไพ1 ReflectionReference::getId() ใฎๅบๆฌ็ใชไฝฟใๆน
<?php
$val1 = 'foo';
$val2 = 'bar';
$arr = [&$val1, &$val2, &$val1];
$rr1 = ReflectionReference::fromArrayElement($arr, 0);
$rr2 = ReflectionReference::fromArrayElement($arr, 1);
$rr3 = ReflectionReference::fromArrayElement($arr, 2);
var_dump($rr1->getId() === $rr2->getId());
var_dump($rr1->getId() === $rr3->getId());
?>ไธใฎไพใฎๅบๅใฏไปฅไธใจใชใใพใใ
bool(false) bool(true)