PHP ARRAYS QUIZ | EXAMIANS

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

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

An array with properties of that object as the Key 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

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Peter

Lucy

Susan

Edmund

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YOUR ANSWER : ?

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

Error

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

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

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

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What will be the output of the following PHP code? $a = array("a"=>"red", "b"=>"green", "c"=>"blue"); echo array_shift($a); print_r ($a);

blue

none of the mentioned

red

green

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What will be the output of the following PHP code ? $age = array("Harry" => "21", "Ron" => "23","Malfoy" => "21"); array_change_key_case($age, CASE_UPPER); array_pop($age); print_r($age);

Array ( [HARRY] => 21 [RON] => 23 )

Array ( [Harry] => 21 [Ron] => 23 )

Array ( [Harry] => 21 [Ron] => 23 [Malfoy] => 21 )

Array ( [HARRY] => 21 [RON] => 23 [MALFOY] => 21 )

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What will be the output of the following PHP code ? $a = array(12, 5, 2); echo(array_product($a));

010

024

120

060

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What will be the output of the following PHP code? $cars = array("Volvo", "BMW", "Toyota"); echo "I like " . $cars[2] . ", " . $cars[1] . " and " . $cars[0] . ".";

I like BMW, Volvo and Toyota

I like Toyota, BMW and Volvo

I like Volvo, BMW and Toyota

I like Volvo, Toyota and BMW

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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”);

2, 3 and 4

Only 1

3 and 4

2 and 3

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Array values are keyed by values (called indexed arrays) or using values (called associative arrays). Of course, these key methods can be combined as well.

String, Boolean

Positive number, negative number

Even number, string

Float, string

Integer, string

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

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

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

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

TRUE ANSWER : ?
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What array will you get if you convert an object to an array?

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

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

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

What will be the output of the following PHP code ?<br/>$age = array("Harry" => "21", "Ron" => "23","Malfoy" => "21");<br/>array_change_key_case($age, CASE_UPPER);<br/>array_pop($age);<br/>print_r($age);

What will be the output of the following PHP code ?<br/>$a = array(12, 5, 2);<br/>echo(array_product($a));

What will be the output of the following PHP code?<br/>$cars = array("Volvo", "BMW", "Toyota");<br/>echo "I like " . $cars[2] . ", " . $cars[1] . " and " . $cars[0] . ".";

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”);

Array values are keyed by values (called indexed arrays) or using values (called associative arrays). Of course, these key methods can be combined as well.

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));