Dom\ParentNode::querySelector

(PHP 8 >= 8.4.0)

Dom\ParentNode::querySelector โ€” CSS ใ‚ปใƒฌใ‚ฏใ‚ฟใซใƒžใƒƒใƒใ™ใ‚‹ๆœ€ๅˆใฎ่ฆ็ด ใ‚’่ฟ”ใ™

่ชฌๆ˜Ž

public function Dom\ParentNode::querySelector(string $selectors): ?Dom\Element

selectors ใงๆŒ‡ๅฎšใ•ใ‚ŒใŸ CSS ใ‚ปใƒฌใ‚ฏใ‚ฟใซใƒžใƒƒใƒใ™ใ‚‹ใ€ๆœ€ๅˆใฎ่ฆ็ด ใ‚’่ฟ”ใ—ใพใ™ใ€‚

ใƒ‘ใƒฉใƒกใƒผใ‚ฟ

selectors
ใฒใจใคไปฅไธŠใฎ CSS ใ‚ปใƒฌใ‚ฏใ‚ฟใ‚’ๅซใ‚€ๆ–‡ๅญ—ๅˆ—

ๆˆปใ‚Šๅ€ค

selectors ใซใƒžใƒƒใƒใ™ใ‚‹ๆœ€ๅˆใฎ Dom\Element ใ‚’่ฟ”ใ—ใพใ™ใ€‚ ใƒžใƒƒใƒใ™ใ‚‹่ฆ็ด ใŒใชใ„ๅ ดๅˆใฏใ€null ใ‚’่ฟ”ใ—ใพใ™ใ€‚

ใ‚จใƒฉใƒผ / ไพ‹ๅค–

selectors ใŒๆœ‰ๅŠนใช CSS ใ‚ปใƒฌใ‚ฏใ‚ฟใฎๆ–‡ๅญ—ๅˆ—ใงใชใ„ๅ ดๅˆใ€ Dom\SYNTAX_ERR ใ‚’ๆŒ‡ๅฎšใ—ใŸ DOMException ใŒใ‚นใƒญใƒผใ•ใ‚Œใพใ™ใ€‚

ๅ‚่€ƒ

  • Dom\ParentNode::querySelectorAll() - CSS ใ‚ปใƒฌใ‚ฏใ‚ฟใซใƒžใƒƒใƒใ™ใ‚‹่ฆ็ด ใฎ้›†ๅˆใ‚’่ฟ”ใ™
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