Syntax:mixed ReflectionFunction::invoke (mixed $args)
Parameters:This function takes a parameter
$args,which contains the list of arguments passed to the called function.
Return value:this the function returns the result of calling the called function.The following programs illustrate the ReflectionFunction::invoke() function in PHP:
Program_1:
// Initialize a custom function function Company ( $Company_Name , $Role ) { return sprintf ( "% s% s " , $Company_Name , $Role ); }
// Using ReflectionFunction() above
// specified company function $function = new ReflectionFunction ( ’company’ );
// Call the invoke() function $A = $function -> invoke ( ’ GeeksforGeeks’ , ’is a Computer Science Portal.’ );
// Get the result of the called company function echo $A ; ?> Exit:GeeksforGeeks is a Computer Science Portal.
Program_2:
// Initialize some custom functions function Trial1 ( $First_Args , $Second_Args ) { return sprintf ( "% s% s" , $First_Args , $Second_Args ); } function Trial2 ( $First_Args , $Second_Args ) { return sprintf ( "% s% s" , $First_Args , $Second_Args ); }
// Using ReflectionFunction() on the above
// specified functions $function = new ReflectionFunction ( ’Trial1’ ); $function = new ReflectionFunction ( ’Trial2’ );
// Call invoke() function and get
// result of the called company function echo $function -> invoke ( ’a + a’ , ’= 2a’ ); echo $function -> invoke ( ’a * a’ , ’ = a ^ 2’ ); ?> Output:a + a = 2a a * a = a ^ 2
Link: https://www.php.net/manual/en/reflectionfunction.invoke.php
