PHP Arrays, PHP

PHP Arrays

Question: What should go in the missing line ?????below to produce the output shown? <?php $array_one = array(1,2,3,4,5); $array_two = array('A', 'B', 'C', 'D', 'E'); ??????? print_r($array_three); ?> Result: Array ( [5] => A [4] => B [3] => C [2] => D [1] => E )
A
$array_three = array_merge(array_reverse($array_one), $array_two);

B
$array_three = array_combine($array_one, $array_two);

C
$array_three = array_combine(array_reverse($array_one), $array_two);

D
<label for="65_4">$array_three = array_merge($array_one, $array_two);</label>

E
$array_three = array_reverse($array_one) + $array_two;

Note: Not available
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Question: Which of the following functions are used with the internal array pointer to accomplish an action?
A
key

B
forward

C
prev

D
current

E
next

Note: Not available
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Question: Given the following array: $array = array(1,1,2,3,4,4,5,6,6,6,6,3,2,2,2); The fastest way to determine the total number a particular value appears in the array is to use which function?
A
array_total_values

B
array_count_values

C
A foreach loop

D
count

E
a for loop

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Question: The ____ construct is particularly useful to assign your own variable names to values within an array.
A
array_get_variables

B
current

C
each

D
import_variables

E
list

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Question: The following code snippet displays what for the resultant array? <?php $a = array(1 => 0, 3 => 2, 4 => 6); $b = array(3 => 1, 4 => 3, 6 => 4); print_r(array_intersect($a, $b)); ?>
A
1 => 0

B
1 => 3, 3 => 1, 4 => 3

C
3 => 1, 3=> 2, 4 => 3, 4=> 6

D
1 => 0, 3 => 2, 4 => 6

E
An empty Array

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Question: Which of the following are not valid ways to embed a variable into a string?
A
$a = "Value: $value->getValue()";

B
$a = "Value: {$value}";

C
$a = 'Value: $value';

D
$a = "Value: $value";

E
$a = "Value: {$value['val']}";

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Question: What variable reference would go in the spots indcated by ????? in the code segment below?<?php

$msg = "The Quick Brown Foxed Jumped Over the Lazy Dog";

$state = true;
$retval = "";
for($i = 0; (isset(??????)); $i++) {
	if($state) {
		$retval .= strtolower(?????);
	} else {
		$retval .= strtoupper(?????);
	}
	
	$state = !$state;
}

print $retval;

?>
A$msg{$i}

Bord($msg);

Cchr($msg);

Dsubstr($msg, $i, 2);

ENone

Note: Not available

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Question: What is the output?
<?php $array = array(10,20, 30, 40); print_r(array_pad($array,-8,0)); ?>
A
[0]=> 0, [1]=> 0, [2]=> 0, [3]=> 0, [4]=> 10, [5]=> 20, [6]=> 30, [7]=> 40

B
[0]=> 10, [1]=> 20, [2]=> 30, [3]=> 40, [4]=> 0, [5]=> 0, [6]=> 0, [7]=> 0

C
[0]=> 10, [1]=> 20, [2]=> 0, [3]=> 0, [4]=> 0, [5]=> 0, [6]=> 30, [7]=> 40

D
None

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Question: What is the output for the following code?
<?php $array = array(10,20, 30, 40); array_shift($array); print_r($array); ?>
A
[0]=> 20, [1]=> 30, [2]=> 40

B
[0]=> 10, [1]=> 20, [2]=> 30

C
[0]=> 30, [1]=> 40, [2]=> 10

D
[0]=> 40, [1]=> 30, [2]=> 20

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Question: What is the output?
<?php $array = array("x"=>"10","y"=>20, "z"=>30); $values=array_flip($array); print_r($values); ?>
A
Array ( [x] => 10 [y] => 20 [z] => 30 )

B
Array ( [10] => x [20] => y [30] => z )

C
Array ( [0] => x [1] => y [2] => z )

D
Array ( [x] => 30 [y] => 20 [z] => 10 )

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Question: What should go in the missing line ?????below to produce the output shown? <?php $array_one = array(1,2,3,4,5); $array_two = array('A', 'B', 'C', 'D', 'E'); ??????? print_r($array_three); ?> Result: Array ( [5] => A [4] => B [3] => C [2] => D [1] => E )

Question: Which of the following functions are used with the internal array pointer to accomplish an action?

Question: Given the following array: $array = array(1,1,2,3,4,4,5,6,6,6,6,3,2,2,2); The fastest way to determine the total number a particular value appears in the array is to use which function?

Question: The ____ construct is particularly useful to assign your own variable names to values within an array.

Question: The following code snippet displays what for the resultant array? <?php $a = array(1 => 0, 3 => 2, 4 => 6); $b = array(3 => 1, 4 => 3, 6 => 4); print_r(array_intersect($a, $b)); ?>

Question: Which of the following are not valid ways to embed a variable into a string?

Question: What is the output?
<?php $array = array(10,20, 30, 40); print_r(array_pad($array,-8,0)); ?>

Question: What is the output for the following code?
<?php $array = array(10,20, 30, 40); array_shift($array); print_r($array); ?>

Question: What is the output?
<?php $array = array("x"=>"10","y"=>20, "z"=>30); $values=array_flip($array); print_r($values); ?>

Question: What should go in the missing line ?????below to produce the output shown? <?php $array_one = array(1,2,3,4,5); $array_two = array('A', 'B', 'C', 'D', 'E'); ??????? print_r($array_three); ?> Result: Array ( [5] => A [4] => B [3] => C [2] => D [1] => E )

Question: Which of the following functions are used with the internal array pointer to accomplish an action?

Question: Given the following array: $array = array(1,1,2,3,4,4,5,6,6,6,6,3,2,2,2); The fastest way to determine the total number a particular value appears in the array is to use which function?

Question: The ____ construct is particularly useful to assign your own variable names to values within an array.

Question: The following code snippet displays what for the resultant array? <?php $a = array(1 => 0, 3 => 2, 4 => 6); $b = array(3 => 1, 4 => 3, 6 => 4); print_r(array_intersect($a, $b)); ?>

Question: Which of the following are not valid ways to embed a variable into a string?

Question: What is the output?<?php $array = array(10,20, 30, 40); print_r(array_pad($array,-8,0)); ?>

Question: What is the output for the following code?<?php $array = array(10,20, 30, 40); array_shift($array); print_r($array); ?>

Question: What is the output?<?php $array = array("x"=>"10","y"=>20, "z"=>30); $values=array_flip($array); print_r($values); ?>

Question: What is the output?
<?php $array = array(10,20, 30, 40); print_r(array_pad($array,-8,0)); ?>

Question: What is the output for the following code?
<?php $array = array(10,20, 30, 40); array_shift($array); print_r($array); ?>

Question: What is the output?
<?php $array = array("x"=>"10","y"=>20, "z"=>30); $values=array_flip($array); print_r($values); ?>