The ReflectionClass::inNamespace() function is an inbuilt function in PHP which is used to check the existence of the namespace. It returns true for the success or false on failure.
Syntax:
bool ReflectionClass::inNamespace( void )
Parameters: This function does not accept any parameters.
Return Value: This function returns true for the success or false on failure.
Below programs illustrate the ReflectionClass::inNamespace() function in PHP:
Program 1:
<?php // Defining a namespace and class GFG namespace A\B;
class GFG{ }
// Using ReflectionClass over the namespace and // specified class GFG $ReflectionClass = new \ReflectionClass( 'A\\B\\GFG' );
// Calling inNamespace() function $A = $ReflectionClass ->inNamespace();
// Getting the value true or false var_dump( $A );
?> |
Output:
bool(true)
Program 2:
<?php // Using ReflectionClass over the inbuilt // class 'stdClass' $ReflectionClass = new ReflectionClass( 'stdClass' );
// Calling inNamespace() function $A = $ReflectionClass ->inNamespace();
// Getting the value true or false var_dump( $A );
?> |
Output:
bool(false)
Reference: https://www.php.net/manual/en/reflectionclass.innamespace.php