The ReflectionExtension::getClassNames() function is an inbuilt function in PHP which is used to return an array of class names from the specified extension. If no classes are specified, an empty array is returned.
Syntax:
array ReflectionExtension::getClassNames( void )
Parameters: This function does not accept any parameter.
Return Value: This function returns an array of class names from the specified extension.
Below programs illustrate the ReflectionExtension::getClassNames() function in PHP:
Program_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); ?> |
Output:
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"
}
Program_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()); ?> |
Output:
array(0) {
}
Reference: https://www.php.net/manual/en/reflectionextension.getclassnames.php
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