PHP ARRAYS QUIZ | EXAMIANS

What will be the output of the following PHP code? $age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43"); print_r(array_change_key_case($age, CASE_UPPER));

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

Array ( [peter] => 35 [ben] => 37 [joe] => 43 )

Array ( [PeTeR] => 35 [BeN] => 37 [Joe] => 43 )

Array ( [PETER] => 35 [BEN] => 37 [JOE] => 43 )

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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));

5

6

4

3

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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

19

78

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What will be the output of the following php code? $states = array("karnataka" => array( "population" => "11,35,000", "captial" => "Bangalore"),"Tamil Nadu" => array( "population" => "17,90,000","captial" => "Chennai") ); echo $states["karnataka"]["population"];

karnataka population

population 11,35,000

11,35,000

karnataka 11,35,000

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Which function returns an array consisting of associative key/value pairs?

count_values()

array_count_values()

count()

array_count()

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

appleapple

orangebanana

orangeorange

appleorange

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

Array ( [a] => red )

Array ( [c] => blue )

Array ( [d] => yellow )

Array ( [e] => yellow )

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What elements will the following script output? $array = array (true => 'a', 1 => 'b'); var_dump ($array);

It will output NULL

1 => 'b'

None

True => 'a', 1 => 'b'

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What array will you get if you convert an object to an array?

An array with properties of that object as the Key elements

An array with properties of that array as the object's elements

An array with properties of that object as the array's elements

An array with keys of that object as the array's elements

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What will be the output of the following PHP code? $fruits = array ("mango", "apple", "pear", "peach"); $fruits = array_flip($fruits); echo ($fruits[0]);

mango

peach

error

0

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What will be the output of the following PHP code?<br/>$age = array("Peter"=>"35", "Ben"=>"37", "Joe"=>"43");<br/>print_r(array_change_key_case($age, CASE_UPPER));

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

What will be the output of the following php code?<br/>$states = array("karnataka" => array( "population" => "11,35,000", "captial" => "Bangalore"),"Tamil Nadu" => array( "population" => "17,90,000","captial" => "Chennai") );<br/>echo $states["karnataka"]["population"];

Which function returns an array consisting of associative key/value pairs?

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

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");<br/>$result = array_diff($a1, $a2);<br/>print_r($result);

What elements will the following script output?<br/>$array = array (true => 'a', 1 => 'b');<br/>var_dump ($array);

What array will you get if you convert an object to an array?

What will be the output of the following PHP code?<br/>$fruits = array ("mango", "apple", "pear", "peach");<br/>$fruits = array_flip($fruits);<br/>echo ($fruits[0]);