Class: FirstTest
 

Method: str_repeat($args[0],$args[1])
$args[0] = s:15:"write something";
$args[1] = i:10;
 

Any Error

 
Output:
s:150:"write somethingwrite somethingwrite somethingwrite somethingwrite somethingwrite somethingwrite somethingwrite somethingwrite somethingwrite something";