PHP Arrays
What will be the output of the following PHP code?
$state = array ("Karnataka", "Goa", "Tamil Nadu", "Andhra Pradesh");
echo (array_search ("Tamil Nadu", $state) );

False
2
True
1

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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");
$a2 = array("e" => "red", "f" => "green", "g" => "blue", "h" => "orange");
$a3 = array("i" => "orange");
$a4 = array_combine($a2, $a3);
$result = array_diff($a4, $a2);
print_r($result);

Array ( [i] => orange )
Array ( [d] => yellow )
Array ( [h] => orange )
Array ( [d] => yellow [h] => orange )

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PHP Arrays
What will be the output of the following PHP code ?
$city_west = array("NYC", "London");
$city_east = array("Mumbai", "Beijing");
print_r(array_replace($city_west, $city_east));

Array ( [1] => Mumbai [0] => Beijing )
Array ( [0] => Mumbai [1] => Beijing )
Array ( [0] => NYC [1] => London )
Array ( [1] => NYC [0] => London )

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PHP Arrays
What will be the output of the following PHP code?
$array1 = array ("KA", "LA", "CA", "MA", "TA");
$array2 = array ("KA", "IA", "CA", "GA", "TA");
$inter = array_intersect ($array1, $array2);
print_r ($inter);

Array ( [0] => KA [1] => LA [2] => CA [3] => MA [4] => TA [5] => IA [6] => GA )
Array ( [1] => IA [3] => GA )
Array ( [0] => KA [2] => CA [4] => TA )
Array ( [1] => LA [3] => MA )

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