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ReflectionReference::fromArrayElement

(PHP 7 >= 7.4.0, PHP 8)

ReflectionReference::fromArrayElement โ€” ้…ๅˆ—ใฎ่ฆ็ด ใ‹ใ‚‰ใ€ReflectionReference ใ‚’็”Ÿๆˆใ™ใ‚‹

่ชฌๆ˜Ž

public static ReflectionReference::fromArrayElement(array $array, int|string $key): ?ReflectionReference

้…ๅˆ—ใฎ่ฆ็ด ใ‹ใ‚‰ใ€ReflectionReference ใ‚’็”Ÿๆˆใ—ใพใ™ใ€‚

ใƒ‘ใƒฉใƒกใƒผใ‚ฟ

array

ใƒชใƒ•ใ‚กใƒฌใƒณใ‚นใฎๆƒ…ๅ ฑใŒๅซใพใ‚Œใ‚‹ arrayใ€‚

key

ใ‚ญใƒผใ€‚int ใพใŸใฏ stringใ€‚

ๆˆปใ‚Šๅ€ค

$array[$key] ใŒใƒชใƒ•ใ‚กใƒฌใƒณใ‚นใฎๅ ดๅˆใ€ ReflectionReference ใฎใ‚คใƒณใ‚นใ‚ฟใƒณใ‚นใ‚’่ฟ”ใ—ใพใ™ใ€‚ ใใ†ใงใชใ„ๅ ดๅˆใ€null ใ‚’่ฟ”ใ—ใพใ™ใ€‚

ใ‚จใƒฉใƒผ / ไพ‹ๅค–

array ใŒ array ใงใชใ„ๅ ดๅˆใ€ ใพใŸใฏ key ใŒ int ใงใ‚‚ string ใงใ‚‚ใชใ„ๅ ดๅˆใ€ TypeError ใŒใ‚นใƒญใƒผใ•ใ‚Œใพใ™ใ€‚ $array[$key] ใŒๅญ˜ๅœจใ—ใชใ„ๅ ดๅˆใ€ ReflectionException ใŒใ‚นใƒญใƒผใ•ใ‚Œใพใ™ใ€‚

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