PHP ARRAYS QUIZ

There are three different kind of arrays:

Numeric array, String array, Multidimensional array

Numeric array, Associative array, Multidimensional array

Numeric array, Associative array, Dimensional array

Const array, Associative array, Multidimensional array

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

2, 3 and 4

3 and 4

Only 1

2 and 3

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

Edmund

Peter

Lucy

Susan

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What will be the output of the following PHP code?<br/>$cars = array("Volvo", "BMW", "Toyota", "Honda", "Mercedes", "Opel");<br/>print_r(array_chunk($cars, 2));

Array ( [1] => Array ( [1] => Volvo [2] => BMW ) [2] => Array ( [1] => Toyota [2] => Honda ) [3] => Array ( [1] => Mercedes [2] => Opel ) )

Array ( [0] => Array ( [0] => Volvo [1] => Volvo ) [1] => Array ( [0] => BMW [1] => BMW ) [2] => Array ( [0] => Toyota [1] => Toyota ) )

Array ( [0] => Array ( [1] => Volvo [2] => BMW ) [1] => Array ( [1] => Toyota [2] => Honda ) [2] => Array ( [1] => Mercedes [2] => Opel ) )

Array ( [0] => Array ( [0] => Volvo [1] => BMW ) [1] => Array ( [0] => Toyota [1] => Honda ) [2] => Array ( [0] => Mercedes [1] => Opel ) )

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What will be the output of the following PHP code?<br/>$a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow");<br/>$a2 = array("e" => "red", "f" => "green", "g" => "blue", "h" => "orange");<br/>$a3 = array("i" => "orange");<br/>$a4 = array_combine($a2, $a3);<br/>$result = array_diff($a4, $a2);<br/>print_r($result);

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

Array ( [h] => orange )

Array ( [d] => yellow )

Array ( [i] => orange )

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What will be the output of the following PHP code?<br/>$a1 = array("red", "green");<br/>$a2 = array("blue", "yellow");<br/>$a3 = array_merge($a1, $a2);<br/>$a4 = array("a", "b", "c", "d");<br/>$a = array_combine($a4, $a3);<br/>print_r($a);

Array ( [0] => red [1] => green [2] => blue [3] => yellow )

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

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

Array ( [0] => blue [1] => yellow [2] => red [3] => green )

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

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 )

Array ( [0] => 0 [5] => 5 )

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

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What will be the output of the following PHP code?<br/>$a=array("A","Cat","Dog","A","Dog");<br/>$b=array("A","A","Cat","A","Tiger");<br/>$c=array_combine($a,$b);<br/>print_r(array_count_values($c));

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

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

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

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

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

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

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

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

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

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What will be the output of the following PHP code?<br/>$a1 = array("red", "green");<br/>$a2 = array("blue", "yellow");<br/>print_r(array_merge($a1, $a2));

Array ( [0] => blue [1] => yellow [2] => red [3] => green )

Array ( [0] => blue [1] => yellow )

Array ( [0] => red [1] => green [2] => blue [3] => yellow )

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

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