PHP Arrays
What will the following script output?
$array = array (1, 2, 3, 5, 8, 13, 21, 34, 55);
$sum = 0;
for ($i = 0; $i < 5; $i++) {
$sum += $array[$array[$i]];
}
echo $sum;

NULL
5
78
19

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PHP Arrays
What will be the output of the following PHP code ?
$number = range(0, 5);
print_r ($number);

Array ( [0] => 5 [1] => 5 [2] => 5 [3] => 5 [4] => 5 [5] => 5 )
Array ( [0] => 0 [5] => 5 )
Array ( [0] => 0 [1] => 1 [2] => 2 [3] => 3 [4] => 4 [5] => 5 )
Array ( [0] => 0 [1] => 0 [2] => 0 [3] => 0 [4] => 0 [5] => 0 )

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PHP Arrays
What will be the output of the following PHP code?
$fruits = array ("mango", "apple", "peach", "pear");
$fruits = asort ($fruits);
printr ($fruits);

Array ( [0] => apple [1] => mango [2] => peach [3] => pear )
Error
Array ( [1] => apple [0] => mango [3] => peach [2] => pear )
Array ( [1] => apple [0] => mango [2] => peach [3] => pear )

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

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