(PHP 7) Gets the file in which the exception occurred

(PHP 5 >= 5.0.0, PHP 7) Return the key of the current element

(PHP 5 >= 5.5.0, PHP 7) Throw an exception into the generator

(PHP 5 >= 5.5.0, PHP 7) Resume execution of the generator

(PHP 5 >= 5.1.0, PHP 7) Constructs the object

(PHP 5 >= 5.4.0, PHP 7) Duplicates a closure with a specific bound object and class scope

(PHP 7) Gets the stack trace as a string abstract

(PHP 5 >= 5.0.0, PHP 7) Return the current element

(PHP 5 >= 5.0.0, PHP 7) Offset to retrieve

(PHP 5 >= 5.0.0, PHP 7) Rewind the Iterator to the first element