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PHP Arrays

PHP Arrays
What function computes the difference of arrays?

arrays_diff
array_diff
diff_array
diff_arrays

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PHP Arrays
What will be the output of the following PHP code ?
$a = array("a" => "Jaguar", "b" => "Land Rover", "c" => "Audi", "d" => "Maseratti");
echo array_search("Audi", $a);

a
d
c
b

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PHP Arrays
What will be the output of the following PHP code ?
$people = array("Peter", "Susan", "Edmund", "Lucy");
echo pos($people);

Lucy
Peter
Edmund
Susan

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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");
$c = array_combine($age, $fname);
print_r($c);

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

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PHP Arrays
Which of the following are correct ways of creating an array?
1. state[0] = “karnataka”;
2. $state[] = array(“karnataka”);
3. $state[0] = “karnataka”;
4. $state = array(“karnataka”);

3 and 4
Only 1
2 and 3
2, 3 and 4

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

Array ( [0] => red [1] => blue )
Array ( [0] => green [1] => blue )
Array ( [0] => red [1] => green )
Array ( [0] => blue [1] => blue )

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