PHP Arrays
What will be the output of the following PHP code?
$a = array("a"=>"red", "b"=>"green", "c"=>"blue");
echo array_shift($a);
print_r ($a);

red
none of the mentioned
green
blue

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

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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 Ben Joe )
Array ( 35 37 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?
$cars = array("Volvo", "BMW", "Toyota", "Honda", "Mercedes", "Opel");
print_r(array_chunk($cars, 2));

Array ( [0] => Array ( [1] => Volvo [2] => BMW ) [1] => Array ( [1] => Toyota [2] => Honda ) [2] => Array ( [1] => Mercedes [2] => Opel ) )
Array ( [1] => Array ( [1] => Volvo [2] => BMW ) [2] => Array ( [1] => Toyota [2] => Honda ) [3] => Array ( [1] => Mercedes [2] => Opel ) )
Array ( [0] => Array ( [0] => Volvo [1] => Volvo ) [1] => Array ( [0] => BMW [1] => BMW ) [2] => Array ( [0] => Toyota [1] => Toyota ) )
Array ( [0] => Array ( [0] => Volvo [1] => BMW ) [1] => Array ( [0] => Toyota [1] => Honda ) [2] => Array ( [0] => Mercedes [1] => Opel ) )

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