PHP ARRAYS QUIZ | EXAMIANS

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

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

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

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

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

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What will be the output of the following PHP code? $fruits = array ("apple", "orange", array ("pear", "mango"), "banana"); echo (count($fruits, 1));

6

5

3

4

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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] => 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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Assume you would like to sort an array in ascending order by value while preserving key associations. Which of the following PHP sorting functions would you use?

ksort()

usort()

sort()

krsort()

asort()

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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] => LA [3] => MA )

Array ( [1] => IA [3] => GA )

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

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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 )

Array ( [0] => NYC [1] => LA [2] => Paris)

None of the mentioned

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What will be the output of the following PHP code? $face = array ("A", "J", "Q", "K"); $number = array ("2","3","4", "5", "6", "7", "8", "9", "10"); $cards = array_merge ($face, $number); print_r ($cards);

Array ( [0] => 2 [1] => 3 [2] => 4 [3] => 5 [4] => 6 [5] => 7 [6] => 8 [7] => 9 [8] => 10 [9] => A [10] => J [11] => Q [12] => K )

Array ( [0] => A [1] => J [2] => Q [3] => K [4] => 2 [5] => 3 [6] => 4 [7] => 5 [8] => 6 [9] => 7 [10] => 8 [11] => 9 [12] => 10 )

Array ( [0] => A [1] => 2 [2] => J [3] => 3 [4] => Q [5] => 4 [6] => K [7] => 5 [8] => 6 [9] => 7 [10] => 8 [11] => 9 [12] => 10 )

Error

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What will be the output of the following PHP code? $state = array ("Karnataka", "Goa", "Tamil Nadu", "Andhra Pradesh"); echo (array_search ("Tamil Nadu", $state) );

2

False

True

1

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What will be the output of the following PHP code? $names = array("Sam", "Bob", "Jack"); echo $names[0] . "is the brother of " . $names[1] . " and " . $names[1] . ".".$brother;

Sam is the brother of Bob and Bob)

$brother

Error

Sam is the brother of Bob and Bob) $brother

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YOUR ANSWER : ?

Which function can be used to move the pointer to the previous array position?

previous()

last()

before()

prev()

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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));

What will be the output of the following PHP code?<br/>$fruits = array ("apple", "orange", array ("pear", "mango"), "banana");<br/>echo (count($fruits, 1));

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));

Assume you would like to sort an array in ascending order by value while preserving key associations. Which of the following PHP sorting functions would you use?

What will be the output of the following PHP code?<br/>$array1 = array ("KA", "LA", "CA", "MA", "TA");<br/>$array2 = array ("KA", "IA", "CA", "GA", "TA");<br/>$inter = array_intersect ($array1, $array2);<br/>print_r ($inter);

What will be the output of the following PHP code?<br/>$place = array("NYC", "LA", "Paris");<br/>array_pop($place);<br/>$place1 = array("Paris");<br/>$place = array_merge($place, $place1);<br/>print_r($place);

What will be the output of the following PHP code?<br/>$face = array ("A", "J", "Q", "K");<br/>$number = array ("2","3","4", "5", "6", "7", "8", "9", "10");<br/>$cards = array_merge ($face, $number);<br/>print_r ($cards);

What will be the output of the following PHP code?<br/>$state = array ("Karnataka", "Goa", "Tamil Nadu", "Andhra Pradesh");<br/>echo (array_search ("Tamil Nadu", $state) );

What will be the output of the following PHP code?<br/>$names = array("Sam", "Bob", "Jack");<br/>echo $names[0] . "is the brother of " . $names[1] . " and " . $names[1] . ".".$brother;

Which function can be used to move the pointer to the previous array position?