DOMCharacterData::substringData

(PHP 5, PHP 7, PHP 8)

DOMCharacterData::substringData — æ–‡ć­—ăƒ‡ăƒŒă‚żă‹ă‚‰æŒ‡ćźšă—ăŸçŻ„ć›Čăźăƒ‡ăƒŒă‚żă‚’æŠœć‡șする

èȘŹæ˜Ž

public function DOMCharacterData::substringData(int $offset, int $count): string|false

æŒ‡ćźšă—ăŸéƒšćˆ†æ–‡ć­—ćˆ—ă‚’èż”ă—ăŸă™ă€‚

ăƒ‘ăƒ©ăƒĄăƒŒă‚ż

offset

éƒšćˆ†æ–‡ć­—ćˆ—ăźæŠœć‡șé–‹ć§‹äœçœźăźă‚Șăƒ•ă‚»ăƒƒăƒˆă€‚

count

抜ć‡șă™ă‚‹æ–‡ć­—æ•°ă€‚

æˆ»ă‚Šć€€

æŒ‡ćźšă•ă‚ŒăŸéƒšćˆ†æ–‡ć­—ćˆ—ă‚’èż”ă—ăŸă™ă€‚ offset ず count ăźć’ŒăŒæ–‡ć­—ćˆ—ăźé•·ă•ă‚’ă“ăˆăŠă„ă‚‹ć Žćˆă€ăƒ‡ăƒŒă‚żăźæœ«ć°ŸăŸă§ăźă™ăčおた UTF-8 ă‚łăƒŒăƒ‰ăƒă‚€ăƒłăƒˆăŒèż”ă•ă‚ŒăŸă™ă€‚

ă‚šăƒ©ăƒŒ / äŸ‹ć€–

ä»„äž‹ăźă‚šăƒ©ăƒŒă‚łăƒŒăƒ‰ă§ DOMException をă‚čăƒ­ăƒŒă—ăŸă™:

DOM_INDEX_SIZE_ERR

offset がèȠ、 ă‚ă‚‹ă„ăŻăƒ‡ăƒŒă‚żäž­ăź UTF-8 ă‚łăƒŒăƒ‰ăƒă‚€ăƒłăƒˆăźæ•°ă‚ˆă‚Šć€§ăă„ć Žćˆă€ ăŸăŸăŻ count がèȠた栎搈にç™șç”Ÿă—ăŸă™ă€‚

ć‚è€ƒ

  • DOMCharacterData::appendData() - ăƒŽăƒŒăƒ‰ăźæ–‡ć­—ăƒ‡ăƒŒă‚żăźæœ€ćŸŒă«æ–‡ć­—ćˆ—ă‚’èżœćŠ ă™ă‚‹
  • DOMCharacterData::deleteData() - æŒ‡ćźšă—ăŸçŻ„ć›Čăźæ–‡ć­—ćˆ—ă‚’æ–‡ć­—ćˆ—ăƒ‡ăƒŒă‚żă‹ă‚‰ć‰Šé™€ă™ă‚‹
  • DOMCharacterData::insertData() - æŒ‡ćźšă—ăŸ UTF-8 ă‚łăƒŒăƒ‰ăƒă‚€ăƒłăƒˆăźă‚Șăƒ•ă‚»ăƒƒăƒˆă«ă€æ–‡ć­—ćˆ—ă‚’æŒżć…„ă™ă‚‹
  • DOMCharacterData::replaceData() - æ–‡ć­—ăƒ‡ăƒŒă‚żăźæ–‡ć­—ćˆ—ăźäž€éƒšă‚’çœźæ›ă™ă‚‹
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