ReflectionExtension::getClassNames()函數是PHP中的內置函數,用於從指定的擴展名返回類名數組。如果未指定任何類,則返回一個空數組。
用法:
array ReflectionExtension::getClassNames( void )
參數:該函數不接受任何參數。
返回值:該函數從指定的擴展名返回一個類名數組。
以下示例程序旨在說明PHP中的ReflectionExtension::getClassNames()函數:
程序_1:
<?php
// Defining an extension
$A = 'DOM';
// Using ReflectionExtension() over the
// specified extension
$extension = new ReflectionExtension($A);
// Calling the getClassNames() function
$B = $extension->getClassNames();
// Getting an array of class name
var_dump($B);
?>輸出:
array(31) {
[0]=>
string(12) "DOMException"
[1]=>
string(13) "DOMStringList"
[2]=>
string(11) "DOMNameList"
[3]=>
string(21) "DOMImplementationList"
[4]=>
string(23) "DOMImplementationSource"
[5]=>
string(17) "DOMImplementation"
[6]=>
string(7) "DOMNode"
[7]=>
string(16) "DOMNameSpaceNode"
[8]=>
string(19) "DOMDocumentFragment"
[9]=>
string(11) "DOMDocument"
[10]=>
string(11) "DOMNodeList"
[11]=>
string(15) "DOMNamedNodeMap"
[12]=>
string(16) "DOMCharacterData"
[13]=>
string(7) "DOMAttr"
[14]=>
string(10) "DOMElement"
[15]=>
string(7) "DOMText"
[16]=>
string(10) "DOMComment"
[17]=>
string(11) "DOMTypeinfo"
[18]=>
string(18) "DOMUserDataHandler"
[19]=>
string(11) "DOMDomError"
[20]=>
string(15) "DOMErrorHandler"
[21]=>
string(10) "DOMLocator"
[22]=>
string(16) "DOMConfiguration"
[23]=>
string(15) "DOMCdataSection"
[24]=>
string(15) "DOMDocumentType"
[25]=>
string(11) "DOMNotation"
[26]=>
string(9) "DOMEntity"
[27]=>
string(18) "DOMEntityReference"
[28]=>
string(24) "DOMProcessingInstruction"
[29]=>
string(15) "DOMStringExtend"
[30]=>
string(8) "DOMXPath"
}
程序_2:
<?php
// Using ReflectionExtension() over
// a extension xml
$extension = new ReflectionExtension('xml');
// Calling the getClassNames() function and
// Getting an array of class names
var_dump($extension->getClassNames());
?>輸出:
array(0) {
}
參考: https://www.php.net/manual/en/reflectionextension.getclassnames.php
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注:本文由純淨天空篩選整理自Kanchan_Ray大神的英文原創作品 PHP | ReflectionExtension getClassNames() 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。
