Q28
What will be the output of the following PHP code? "35", "Ben"=>"37", "Joe"=>"43"); print_r(array_change_key_case( age, CASE_UPPER)); ?>
A.
Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 )
B.
Array ( [peter] => 35 [ben] => 37 [joe] => 43 )
C.
Array ( [PETER] => 35 [BEN] => 37 [JOE] => 43 )
AnswerD.
Array ( [PeTeR] => 35 [BeN] => 37 [Joe] => 43 )
Answer: Option C
Solution
Answer: Option C
Solution:
The array_change_key_case() function changes all keys in an array to lowercase or uppercase.