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));

PHP Arrays
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 )

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

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)

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

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

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PHP Arrays
What will be the output of the following PHP code?
$a = array("red", "green", "blue");
array_pop($a);
print_r($a);

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

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

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

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

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

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

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

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

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PHP Arrays
What will be the output of the following PHP code ?
$a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow");
$result = array_flip($a1);
print_r($result);

Array ( [a] => a [b] => b [c] => c [d] => d )

Array ( [red] => a [green] => b [blue] => c [yellow] => d )

Array ( [red] => red [green] => green [blue] => blue [yellow] => yellow )

Array ( [a] => red [b] => green [c] => blue [d] => yellow )

Array ( [a] => a [b] => b [c] => c [d] => d )

Array ( [red] => a [green] => b [blue] => c [yellow] => d )

Array ( [red] => red [green] => green [blue] => blue [yellow] => yellow )

Array ( [a] => red [b] => green [c] => blue [d] => yellow )

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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?

usort()

krsort()

sort()

asort()

ksort()

usort()

krsort()

sort()

asort()

ksort()

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PHP Arrays
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

1

False

True

2

1

False

True

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PHP Arrays
What will be the output of the following PHP code?
$arr = array ("picture1.JPG", "picture2.jpg", "Picture10.jpg", "picture20.jpg");
sort($arr);
print_r($arr);

Array ( [0] => Picture10.jpg [1] => picture1.JPG [2] => picture2.jpg [3] => picture20.jpg )

Array ( [0] => Picture10.jpg [1] => picture1.JPG [2] => picture20.jpg [3] => picture2.jpg )

Array ( [0] => picture1.JPG [1] => Picture10.jpg [2] => picture2.jpg [3] => picture20.jpg )

Array ( [0] => picture1.JPG [1] => picture2.jpg [2] => Picture10.jpg [3] => picture20.jpg )

Array ( [0] => Picture10.jpg [1] => picture1.JPG [2] => picture2.jpg [3] => picture20.jpg )

Array ( [0] => Picture10.jpg [1] => picture1.JPG [2] => picture20.jpg [3] => picture2.jpg )

Array ( [0] => picture1.JPG [1] => Picture10.jpg [2] => picture2.jpg [3] => picture20.jpg )

Array ( [0] => picture1.JPG [1] => picture2.jpg [2] => Picture10.jpg [3] => picture20.jpg )

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PHP Arrays

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

PHP Arrays What will be the output of the following PHP code?$a = array("red", "green", "blue");array_pop($a);print_r($a);

PHP Arrays What will be the output of the following PHP code ?$a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow");$result = array_flip($a1);print_r($result);

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?$state = array ("Karnataka", "Goa", "Tamil Nadu", "Andhra Pradesh");echo (array_search ("Tamil Nadu", $state) );

PHP Arrays What will be the output of the following PHP code?$arr = array ("picture1.JPG", "picture2.jpg", "Picture10.jpg", "picture20.jpg");sort($arr);print_r($arr);

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

PHP Arrays
What will be the output of the following PHP code?
$a = array("red", "green", "blue");
array_pop($a);
print_r($a);

PHP Arrays
What will be the output of the following PHP code ?
$a1 = array("a" => "red", "b" => "green", "c" => "blue", "d" => "yellow");
$result = array_flip($a1);
print_r($result);

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?
$state = array ("Karnataka", "Goa", "Tamil Nadu", "Andhra Pradesh");
echo (array_search ("Tamil Nadu", $state) );

PHP Arrays
What will be the output of the following PHP code?
$arr = array ("picture1.JPG", "picture2.jpg", "Picture10.jpg", "picture20.jpg");
sort($arr);
print_r($arr);