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");
$result = array_diff($a1, $a2);
print_r($result);

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

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

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