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”);

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”);

2 and 3

2, 3 and 4

Only 1

3 and 4

2 and 3

2, 3 and 4

Only 1

3 and 4

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PHP Arrays
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?

sort()

krsort()

asort()

ksort()

usort()

sort()

krsort()

asort()

ksort()

usort()

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

Array ( Peter Ben Joe )

Array ( 35 37 43 )

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

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

Array ( Peter Ben Joe )

Array ( 35 37 43 )

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

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

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PHP Arrays
What will be the output of the following PHP code?
$a = array("A", "Cat", "Dog", "A", "Dog");
print_r(array_count_values($a));

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

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

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

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

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

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

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

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

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PHP Arrays
What will be the output of the following PHP code?
$fruits = array ("apple", "mango", "peach", "pear", "orange");
$subset = array_splice ($fruits, 2);
print_r ($fruits);

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

Array ( [0] => apple [1] => mango )

Array ( [0] => pear [1] => orange )

Error

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

Array ( [0] => apple [1] => mango )

Array ( [0] => pear [1] => orange )

Error

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PHP Arrays
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.

Float, string

Integer, string

String, Boolean

Even number, string

Positive number, negative number

Float, string

Integer, string

String, Boolean

Even number, string

Positive number, negative number

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PHP Arrays

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”);

PHP Arrays 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?

PHP Arrays What will be the output of the following PHP code?$fname = array("Peter", "Ben", "Joe");$age = array("35", "37", "43");$c = array_combine($fname, $age);print_r($c);

PHP Arrays What will be the output of the following PHP code?$a = array("A", "Cat", "Dog", "A", "Dog");print_r(array_count_values($a));

PHP Arrays What will be the output of the following PHP code?$fruits = array ("apple", "mango", "peach", "pear", "orange");$subset = array_splice ($fruits, 2);print_r ($fruits);

PHP Arrays 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.

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”);

PHP Arrays
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?

PHP Arrays
What will be the output of the following PHP code?
$fname = array("Peter", "Ben", "Joe");
$age = array("35", "37", "43");
$c = array_combine($fname, $age);
print_r($c);

PHP Arrays
What will be the output of the following PHP code?
$a = array("A", "Cat", "Dog", "A", "Dog");
print_r(array_count_values($a));

PHP Arrays
What will be the output of the following PHP code?
$fruits = array ("apple", "mango", "peach", "pear", "orange");
$subset = array_splice ($fruits, 2);
print_r ($fruits);

PHP Arrays
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.