PHP Arrays, PHP

PHP Arrays

Question: <?php $a[0] = 1; $a[1] = 3; $a[2] = 5; $result = count($a); print_r($result); ?> What will be the output?
A
3

B
Array([0]=>3)

C
2

Note: Not available
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Question: $grades = array(42, 98, 100, 100, 43, 12); sort($grades); print_r($grades); What will be the output?
A
Array ( [0] => 100 [1] => 100 [2] => 98 [3] => 43 [4] => 42 [5] => 12 )

B
Array ( [0] => 12 [1] => 42 [2] => 43 [3] => 98 [4] => 100 [5] => 100 )

C
Array ( [12] => 0 [42] => 1 [43] => 2 [98] => 3 [100] => 4 [100] => 5 )

D
Array ( [3] => 98 [4] => 100 [5] => 100 [0] => 12 [1] => 42 [2] => 43 )

Note: Not available
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Question: $class1 = array("John" => 100, "James" => 85); $class2 = array("Micky" => 78, "John" => 45); $classScores = array_merge_recursive($class1, $class2); print_r($classScores); This returns the following:
A
Array ( [John] => Array ( [0] => 100 [1] => 45 ) [James] => 85 [Micky] => 78 )

B
Array ([1] => 45 ) [James] [John] => Array ( [0] => 100 => 85 [Micky] => 78 )

C
Array ( [James] => 85 [Micky] => 78 [John] => Array ( [0] => 100 [1] => 45 ) )

D
Array ([1] => 45 ) [James] => 85 [Micky] => 78[John] => Array ( [0] => 100 )

Note: Not available
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Question: $abbreviations = array("AL", "AK", "AZ", "AR"); $states = array("Alabama", "Alaska", "Arizona", "Arkansas"); $stateMap = array_combine($abbreviations,$states); print_r($stateMap); This returns the following:
A
Array ( [AL] = Alabama [AK] = Alaska [AZ] = Arizona [AR] = Arkansas )

B
Array ( [0] = California [1] = Colorado [2] = Connecticut )

C
none

D
all

Note: Not available
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Question: Which function use to check if a value exists in an array?
A
Array_In ()

B
Array_check()

C
Array_Fill()

Note: Not available
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Question: Which function use tosort an array by key in reverse order

A
Sort()

B
ksort()

C
Krsort()

D
array_reverse()

Note: Not available
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Question: How to searches the array for a given value and returns the corresponding key if successfully?
A
Array_in()

B
Search()

C
Array_Search()

Note: Not available
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Question: <?php $stack = array("orange", "banana", "apple", "raspberry"); $fruit = array_pop($stack); print_r($stack); ?> What will be the output?
A
[0] => orange    [1] => banana    [2] => apple

B
[0] => orange    [1] => banana    [2] => raspberry

C
[0] => raspberry [1] => banana    [2] => apple

Note: Not available
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Question: <?php $array = array("size" => "XL", "color" => "gold"); print_r(array_values($array)); ?> What will be the output?
A
[0] => XL [1] => gold [2]=>Size

B
[0] => XL [1] => gold

C
[0]=>XL [1]=>size [1]=>gold

Note: Not available
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Question: ksort — Sort an array with a user-defined comparison function and maintain index association
A
True

B
False

Note: Not available
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Question: <?php $a[0] = 1; $a[1] = 3; $a[2] = 5; $result = count($a); print_r($result); ?> What will be the output?

Question: $grades = array(42, 98, 100, 100, 43, 12); sort($grades); print_r($grades); What will be the output?

Question: $class1 = array("John" => 100, "James" => 85); $class2 = array("Micky" => 78, "John" => 45); $classScores = array_merge_recursive($class1, $class2); print_r($classScores); This returns the following:

Question: $abbreviations = array("AL", "AK", "AZ", "AR"); $states = array("Alabama", "Alaska", "Arizona", "Arkansas"); $stateMap = array_combine($abbreviations,$states); print_r($stateMap); This returns the following:

Question: Which function use to check if a value exists in an array?

Question: Which function use tosort an array by key in reverse order

Question: How to searches the array for a given value and returns the corresponding key if successfully?

Question: <?php $stack = array("orange", "banana", "apple", "raspberry"); $fruit = array_pop($stack); print_r($stack); ?> What will be the output?

Question: <?php $array = array("size" => "XL", "color" => "gold"); print_r(array_values($array)); ?> What will be the output?

Question: ksort — Sort an array with a user-defined comparison function and maintain index association