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

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PHP Arrays
There are three different kind of arrays:

Numeric array, Associative array, Dimensional array
Const array, Associative array, Multidimensional array
Numeric array, Associative array, Multidimensional array
Numeric array, String array, Multidimensional array

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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 ( 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?
$place = array("NYC", "LA", "Paris");
array_pop($place);
$place1 = array("Paris");
$place = array_merge($place, $place1);
print_r($place);

Array ( [0] => NYC [1] => LA [2] => Paris [3] => Paris )
Array ( [0] => LA [1] => Paris [2] => Paris )
None of the mentioned
Array ( [0] => NYC [1] => LA [2] => Paris)

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