PHP Arrays
What will be the output of the following PHP code?
$fname = array("Peter", "Ben", "Joe");
$age = array("35", "37", "43");
$c = array_combine($fname, $age);
print_r($c);

Array ( “[Peter] => 35” “[Ben] => 37” “[Joe] => 43” )
Array ( 35 37 43 )
Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 )
Array ( Peter Ben Joe )

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PHP Arrays
What will be the output of the following PHP code ?
$age = array("Harry" => "21", "Ron" => "23","Malfoy" => "21");
array_change_key_case($age, CASE_UPPER);
array_pop($age);
print_r($age);

Array ( [Harry] => 21 [Ron] => 23 )
Array ( [Harry] => 21 [Ron] => 23 [Malfoy] => 21 )
Array ( [HARRY] => 21 [RON] => 23 )
Array ( [HARRY] => 21 [RON] => 23 [MALFOY] => 21 )

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PHP Arrays
What will be the output of the following PHP code ?
$a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow");
$result = array_flip($a1);
print_r($result);

Array ( [red] => a [green] => b [blue] => c [yellow] => d )
Array ( [red] => red [green] => green [blue] => blue [yellow] => yellow )
Array ( [a] => a [b] => b [c] => c [d] => d )
Array ( [a] => red [b] => green [c] => blue [d] => yellow )

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PHP Arrays
What will be the output of the following PHP code?
$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");
print_r(array_change_key_case($age, CASE_UPPER));

Array ( [Peter] => 35 [Ben] => 37 [Joe] => 43 )
Array ( [PeTeR] => 35 [BeN] => 37 [Joe] => 43 )
Array ( [peter] => 35 [ben] => 37 [joe] => 43 )
Array ( [PETER] => 35 [BEN] => 37 [JOE] => 43 )

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PHP Arrays
What will be the output of the following PHP code?
$fruits = array ("mango", "apple", "peach", "pear");
$fruits = asort ($fruits);
printr ($fruits);

Error
Array ( [1] => apple [0] => mango [3] => peach [2] => pear )
Array ( [0] => apple [1] => mango [2] => peach [3] => pear )
Array ( [1] => apple [0] => mango [2] => peach [3] => pear )

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