PHP Arrays, PHP

PHP Arrays

Question: fgets() is used to read a file one line at a time.
A
true

B
false

Note: Not available
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Question: <?php $grades = array(42, "hello", 42); $total = array_sum($grades); print $total; ?> This returns the following:
A
48

B
84

C
44

D
42 hello 42

Note: Not available
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Question: $color = "Green"; $number = 10; $age = 10; $sum = 10 + "19"; Output?
A
29

B
10101019

C
10+19

D
Green;10;10;10+19

Note: Not available
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Question: $x = 4; function assignx () { $x = 0; printf("$x inside function is %d", $x); } assignx(); printf("$x outside of function is %d", $x); Executing this listing results in the following:
A
$x inside function is 0 $x outside of function is 4

B
$x inside function is null $x outside of function is null

C
$x inside function is 04 $x outside of function is 40

D
none

Note: Not available
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Question: $somevar = 15; function addit() { $GLOBALS["somevar"]++; } addit(); echo "Somevar is ".$GLOBALS["somevar"]; This returns the following
A
Somevar is 16

B
Somevar is 15

C
Somevar is 16 Somevar is 17 Somevar is 18 Somevar is 19 Somevar is 20 . . .

D
16 Somevar is 16

Note: Not available
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Question:
printf("The value of Pi is %f", PI); $pi2 = 2 * PI + 2 - 8; printf("Pi doubled equals %f", $pi2);
This code produces the following results:
A
The value of pi is 3.141592 Pi doubled equals 0.283184

B
The value of pi is 3.141592. Pi doubled equals 6.283184.

C
The value of pi is 3.141592. Pi doubled equals 8.283184.

D
The value of pi is 3.141592. Pi doubled equals 6.283184 + 2 - 8.

Note: Not available
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Question: <?php $output = "This is one line.\nAnd this is another line."; echo $output; ?> This returns the following
A
This is one line. And this is another line.

B
This is one line.\nAnd this is another line.

C
This is one line.And this is another line.

D
This is one line. \n And this is another line.

Note: Not available
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Question: $state["Delaware"]="December 7, 1787"; $state["Pennsylvania"]="December 12, 1787"; $state["New Jersay"]="December 18,1787"; $keys=array_keys($state); print_r($keys); Which of the following is/are correct output for above Statement ?
A
Array ( [0] => Delaware [1] => Pennsylvania [2] => New Jersey )

B
Array ( [1] => Delaware [2] => Pennsylvania [3] => New Jersey )

C
array_keys($state); ["Delaware"] = "December 7, 1787";

D
$state["Delaware"] = "December 7, 1787";

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Question:
$population=array("Ohio"=>"11,421,267","Iowa"=>"2,936,760"); print_r(array_values($population));
Which of the following is/are correct output for above Statement ?
A
Array ( [0] => 11,421,267 [1] => 2,936,760 )

B
Array values ( [0] => 11,421,267 [1] => 2,936,760 )

C
array("Ohio" => "11,421,267", "Iowa" => "2,936,760");

D
array values("Ohio" => "11,421,267", "Iowa" => "2,936,760");

Note: Not available
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Question: skip this question
A
Delaware was founded on December 7.

B
Pennsylvania was founded on March 1.

C
Ohio was founded on December 7.

D
Delaware was founded on December 7

Note: Not available
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Question: fgets() is used to read a file one line at a time.

Question: <?php $grades = array(42, "hello", 42); $total = array_sum($grades); print $total; ?> This returns the following:

Question: $color = "Green"; $number = 10; $age = 10; $sum = 10 + "19"; Output?

Question: $x = 4; function assignx () { $x = 0; printf("$x inside function is %d", $x); } assignx(); printf("$x outside of function is %d", $x); Executing this listing results in the following:

Question: $somevar = 15; function addit() { $GLOBALS["somevar"]++; } addit(); echo "Somevar is ".$GLOBALS["somevar"]; This returns the following

Question:
printf("The value of Pi is %f", PI); $pi2 = 2 * PI + 2 - 8; printf("Pi doubled equals %f", $pi2);
This code produces the following results:

Question: <?php $output = "This is one line.\nAnd this is another line."; echo $output; ?> This returns the following

Question: $state["Delaware"]="December 7, 1787"; $state["Pennsylvania"]="December 12, 1787"; $state["New Jersay"]="December 18,1787"; $keys=array_keys($state); print_r($keys); Which of the following is/are correct output for above Statement ?

Question:
$population=array("Ohio"=>"11,421,267","Iowa"=>"2,936,760"); print_r(array_values($population));
Which of the following is/are correct output for above Statement ?

Question: skip this question

Question: fgets() is used to read a file one line at a time.

Question: <?php $grades = array(42, "hello", 42); $total = array_sum($grades); print $total; ?> This returns the following:

Question: $color = "Green"; $number = 10; $age = 10; $sum = 10 + "19"; Output?

Question: $x = 4; function assignx () { $x = 0; printf("$x inside function is %d", $x); } assignx(); printf("$x outside of function is %d", $x); Executing this listing results in the following:

Question: $somevar = 15; function addit() { $GLOBALS["somevar"]++; } addit(); echo "Somevar is ".$GLOBALS["somevar"]; This returns the following

Question: printf("The value of Pi is %f", PI); $pi2 = 2 * PI + 2 - 8; printf("Pi doubled equals %f", $pi2); This code produces the following results:

Question: <?php $output = "This is one line.\nAnd this is another line."; echo $output; ?> This returns the following

Question: $state["Delaware"]="December 7, 1787"; $state["Pennsylvania"]="December 12, 1787"; $state["New Jersay"]="December 18,1787"; $keys=array_keys($state); print_r($keys); Which of the following is/are correct output for above Statement ?

Question: $population=array("Ohio"=>"11,421,267","Iowa"=>"2,936,760"); print_r(array_values($population)); Which of the following is/are correct output for above Statement ?

Question: skip this question

Question:
printf("The value of Pi is %f", PI); $pi2 = 2 * PI + 2 - 8; printf("Pi doubled equals %f", $pi2);
This code produces the following results:

Question:
$population=array("Ohio"=>"11,421,267","Iowa"=>"2,936,760"); print_r(array_values($population));
Which of the following is/are correct output for above Statement ?