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PHP · Q19

Arrays

Programming · PHP · question 19

Q19

What will be the output of the following PHP code ? "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 )
Answer
D.
Array ( [Harry] => 21 [Ron] => 23 )

Answer: Option C

Solution

Answer: Option C
Solution:
The array_change_key_case() function changes all keys in an array to lowercase or uppercase and arry_pop() removes last element
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