What elements will the following script output?
<?php
$array = array (true => 'a', 1 => 'b');
var_dump ($array);
?>
<?php
$array = array (true => 'a', 1 => 'b');
var_dump ($array);
?>
A. 1 => 'b'
B. True => 'a', 1 => 'b'
C. 0 => 'a', 1 => 'b'
D. None
E. It will output NULL
Answer: Option E

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