PHP | ReflectionClass isSubclassOf() Function
Last Updated :
05 Dec, 2019
The ReflectionClass::isSubclassOf() function is an inbuilt function in PHP which is used to check if any subclass is available or not.
Syntax:
bool ReflectionClass::isSubclassOf( $class )
Parameters: This function accepts a single parameter class which is the class name being checked against.
Return Value: This function returns TRUE if the subclass is available, otherwise FALSE.
Below programs illustrate the ReflectionClass::isSubclassOf() function in PHP:
Program 1:
<?php
class Company {
public function GeeksforGeeks() {}
}
class Departments extends Company {
public function HR_Department() {}
}
$subclass = new ReflectionClass( 'Departments' );
$Result = $subclass ->isSubclassOf( 'Company' );
var_dump( $Result );
?>
|
Output:
bool(true)
Program 2:
<?php
class Departments {
public function CSE() {}
}
$subclass = new ReflectionClass( 'Departments' );
$Result = $subclass ->isSubclassOf( 'Departments' );
var_dump( $Result );
?>
|
Output:
bool(false)
Reference: https://www.php.net/manual/en/reflectionclass.issubclassof.php
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