In PHP 7.1, which of the following statements is/are correct about generators?

i) With generators, less code is required to be written as compared to implementing an iterator class.

ii) The same generator can be iterated over multiple times.

Correct magical PHP constant that is used to determine the current line number of a file?

Find the output of the following PHP 7.1 code. var_dump(round(35/6)); ?>

Output will be? $o = (object) array( var_dump(isset($o-> {'5'})); var_dump(key($o)); ?>

Which can be used as a default value for parameters that are declared as iterable?

Which is NOT correct about PHP 7.1 variables?

Which of the following is not a boolean false

Which of the following responsible for generates the backtrace

The ______ keyword is used to indicate an incomplete class or method, which must be further extended and/or implemented in order to be used.

What is the name of the function to check that the variable type is an object?

Which of the following is not related to file