What will be the output of the following PHP code?
<?php
$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");
print_r(array_change_key_case($age, CASE_UPPER));
?>
<?php
$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");
print_r(array_change_key_case($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 )
D. Array ( [PeTeR] => 35 [BeN] => 37 [Joe] => 43 )
Answer: Option C
Solution(By Examveda Team)
The array_change_key_case() function changes all keys in an array to lowercase or uppercase.Related Questions on Arrays
A. karnataka 11,35,000
B. 11,35,000
C. population 11,35,000
D. karnataka population
Which function will return true if a variable is an array or false if it is not?
A. this_array()
B. is_array()
C. do_array()
D. in_array()
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