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PHP DOMDocument createEntityReference()用法及代碼示例


DOMDocument::createEntityReference()函數是PHP中的內置函數,用於創建DOMEntityReference類的新實例。

用法:

DOMEntityReference DOMDocument::createEntityReference( string $name )

參數:該函數接受單個參數$name,該參數保存實體引用的內容。實體引用不包含&和尾隨;字符。


返回值:如果成功,此函數返回新的DOMEntityReference對象,如果失敗,則返回FALSE。

以下示例程序旨在說明PHP中的DOMDocument::createEntityReference()函數:

程序1:

<?php 
  
// Create a new DOMDocument object 
$domDocument = new DOMDocument('1.0', 'iso-8859-1'); 
  
// Use createEntityReference() function to create 
// new entity reference node 
$domER = $domDocument->createEntityReference('nbsp'); 
  
// Append element to the document 
$domDocument->appendChild($domER); 
  
// Save the XML document and display it 
echo $domDocument->saveXML(); 
  
?>
輸出:
<?xml version="1.0" encoding="iso-8859-1"?>
&nbsp;

程序2:

<?php 
  
// Create a new DOMDocument object 
$domDocument = new DOMDocument('1.0', 'iso-8859-1'); 
  
// Use createEntityReference() function to create 
// new entity reference node 
$domER1 = $domDocument->createEntityReference('amp'); 
$domER2 = $domDocument->createEntityReference('lt'); 
$domER3 = $domDocument->createEntityReference('gt'); 
$domER4 = $domDocument->createEntityReference('reg'); 
  
// Append element to the document 
$domDocument->appendChild($domER1); 
$domDocument->appendChild($domER2); 
$domDocument->appendChild($domER3); 
$domDocument->appendChild($domER4); 
  
// Save the XML document and display it 
echo $domDocument->saveXML(); 
  
?>
輸出:
<?xml version="1.0" encoding="iso-8859-1"?>
&amp;
&lt;
&gt;
&reg;

參考: https://www.php.net/manual/en/domdocument.createentityreference.php



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注:本文由純淨天空篩選整理自jit_t大神的英文原創作品 PHP | DOMDocument createEntityReference() Function。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。