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

Array ( [a] => red [b] => green [c] => blue )
Array ( [e] => red [f] => green [g] => blue )
Array ( [a] => red [b] => green [c] => blue [d] => yellow [e] => red [f] => green [g] => blue )
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?
$a=array("A","Cat","Dog","A","Dog");
$b=array("A","A","Cat","A","Tiger");
$c=array_combine($a,$b);
print_r(array_count_values($c));

Array ( [A] => 2 [Cat] => 1 [Dog] => 4 [Tiger] => 1 )
Array ( [A] => 2 [Cat] => 2 [Dog] => 1 [Tiger] => 1 )
Array ( [A] => 6 [Cat] => 1 [Dog] => 2 [Tiger] => 1 )
Array ( [A] => 5 [Cat] => 2 [Dog] => 2 [Tiger] => 1 )

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PHP Arrays
There are three different kind of arrays:

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

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

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