The ReflectionParameter::isVariadic() function is an inbuilt function in PHP which is used to return TRUE if the specified parameter is variadic, otherwise FALSE.
Syntax:
bool ReflectionParameter::isVariadic ( void )
Parameters: This function does not accept any parameters.
Return Value: This function returns TRUE if the specified parameter is variadic, otherwise FALSE.
Below programs illustrate the ReflectionParameter::isVariadic() function in PHP:
Program 1:
<?php // Initializing a user-defined class Company1 class Company1
{ public function GFG( ... $Parameter ){}
} // Initializing a subclass Company2 class Company2 extends Company1
{ } // Using the ReflectionParameter over the above class $A = new ReflectionParameter([ 'Company2' , 'GFG' ], 0);
// Calling the isVariadic() function $B = $A ->isVariadic();
// Getting TRUE if the specified parameter // is variadic, otherwise FALSE. var_dump( $B );
?> |
Output:
bool(true)
Program 2:
<?php // Initializing some user-defined classes class Department1
{ function HR( $Full_Name ){}
} class Department2
{ function Coding( $Parameter2 , $Par3 = 'Parameter_3' ){}
} class Department3
{ function Marketing( & $Parameter4 , ... $Parameter5 ){}
} // Using the ReflectionParameter over the above classes $A = new ReflectionParameter([ 'Department1' , 'HR' ], 0);
$B = new ReflectionParameter([ 'Department2' , 'Coding' ], 1);
$C = new ReflectionParameter([ 'Department3' , 'Marketing' ], 1);
// Calling the isVariadic() function and // getting TRUE if the specified parameter // is variadic, otherwise FALSE. var_dump( $A ->isVariadic());
var_dump( $B ->isVariadic());
var_dump( $C ->isVariadic());
?> |
Output:
bool(false) bool(false) bool(true)
Reference: https://www.php.net/manual/en/reflectionparameter.isvariadic.php