Question
<?php
$age = array("Harry" => "21", "Ron" => "23","Malfoy" => "21");
array_change_key_case($age, CASE_UPPER);
array_pop($age);
print_r($age);
?>a.
Array ( [Harry] => 21 [Ron] => 23 [Malfoy] => 21 )
b.
Array ( [HARRY] => 21 [RON] => 23 [MALFOY] => 21 )
c.
Array ( [HARRY] => 21 [RON] => 23 )
d.
Array ( [Harry] => 21 [Ron] => 23 )
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Q. What will be the output of the following PHP code ?
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