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

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

Lucy

Peter

Edmund

Susan

Lucy

Peter

Edmund

Susan

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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");
$a2 = array("e"=>"red", "f"=>"green", "g"=>"blue");
$result = array_diff($a1, $a2);
print_r($result);

Array ( [d] => yellow )

Array ( [c] => blue )

Array ( [a] => red )

Array ( [e] => yellow )

Array ( [d] => yellow )

Array ( [c] => blue )

Array ( [a] => red )

Array ( [e] => yellow )

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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 [2] => red [3] => green )

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

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

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

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

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

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

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?
$a = array("a"=>"red", "b"=>"green", "c"=>"blue");
echo array_shift($a);
print_r ($a);

green

red

blue

none of the mentioned

green

red

blue

none of the mentioned

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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.

Even number, string

Float, string

String, Boolean

Integer, string

Positive number, negative number

Even number, string

Float, string

String, Boolean

Integer, string

Positive number, negative number

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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?

ksort()

usort()

krsort()

asort()

sort()

ksort()

usort()

krsort()

asort()

sort()

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PHP Arrays

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

PHP Arrays 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);

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?$a = array("a"=>"red", "b"=>"green", "c"=>"blue");echo array_shift($a);print_r ($a);

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 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 ?
$people = array("Peter", "Susan", "Edmund", "Lucy");
echo pos($people);

PHP Arrays
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);

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?
$a = array("a"=>"red", "b"=>"green", "c"=>"blue");
echo array_shift($a);
print_r ($a);

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
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?