PHP Variables and Datatypes , PHP

PHP Variables and Datatypes

Question: $_COOKIE, $_SERVER, $_POST are ______ array.
A
surperglobal

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Question: An ______ is a symbol that specifies a particular action in an expression.
A
operator

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Question: Operator ______ is a characteristic of operators that determines the order in which they evaluate the operands surrounding them.
A
precedence

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Question: ______ operators examine and manipulate interger values on the level of individual bits that make up the integer value.
A
Bitwise

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Question: ______ syntax allows large amount of text to printed ignoring double or single quotes. example

<?php

echo <<<EXCERPT
...
...
...
EXCERPT;

?>
A
heredoc

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Question: Which of the following are valid PHP variables?
A
@$foo

B
&$variable

C
${0x0}

D
$variable

E
$0x0

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Question: What is the best way to iterate and modify every element of an array using PHP 5?
A
You cannot modify an array during iteration

B
for($i = 0; $i < count($array); $i++) { /* ... */ }

C
foreach($array as $key => &$val) { /* ... */ }

D
foreach($array as $key => $val) { /* ... */ }

E
while(list($key, $val) = each($array)) { /* ... */

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Question: What is the output of the following PHP code? <?php define('FOO', 10); $array = array(10 => FOO, "FOO" => 20); print $array[$array[FOO]] * $array["FOO"]; ?>
A
FOO

B
100

C
200

D
20

E
10

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Question: What is the output of the following PHP script? <?php $a = 1; $b = 2.5; $c = 0xFF; $d = $b + $c; $e = $d * $b; $f = ($d + $e) % $a; print ($f + $e); ?>
A
643.75

B
432

C
643

D
257

E
432.75

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Question: What combination of boolean values for $a, $b, $c, and $d will result in the variable $number being equal to 3? <?php $a = null; $b = null; $c = null; $d = null; if($a && !$b) { if(!!$c && !$d) { if($d && ($a || $c)) { if(!$d && $b) { $number = 1; } else { $number = 2; } } else { $number = 3; } } else { $number = 4; } } else { $number = 5; } ?>
A
false, true, true, true

B
true, false, true, false

C
true, true, false, false<

D
false, true, true, false

E
false, false, true, false

Note: Not available
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Question: $_COOKIE, $_SERVER, $_POST are ______ array.

Question: An ______ is a symbol that specifies a particular action in an expression.

Question: Operator ______ is a characteristic of operators that determines the order in which they evaluate the operands surrounding them.

Question: ______ operators examine and manipulate interger values on the level of individual bits that make up the integer value.

Question: ______ syntax allows large amount of text to printed ignoring double or single quotes. example

<?php

echo <<<EXCERPT
...
...
...
EXCERPT;

?>

Question: Which of the following are valid PHP variables?

Question: What is the best way to iterate and modify every element of an array using PHP 5?

Question: What is the output of the following PHP code? <?php define('FOO', 10); $array = array(10 => FOO, "FOO" => 20); print $array[$array[FOO]] * $array["FOO"]; ?>

Question: What is the output of the following PHP script? <?php $a = 1; $b = 2.5; $c = 0xFF; $d = $b + $c; $e = $d * $b; $f = ($d + $e) % $a; print ($f + $e); ?>

Question: $_COOKIE, $_SERVER, $_POST are ______ array.

Question: An ______ is a symbol that specifies a particular action in an expression.

Question: Operator ______ is a characteristic of operators that determines the order in which they evaluate the operands surrounding them.

Question: ______ operators examine and manipulate interger values on the level of individual bits that make up the integer value.

Question: ______ syntax allows large amount of text to printed ignoring double or single quotes. example<?phpecho <<<EXCERPT...... ...EXCERPT;?>

Question: Which of the following are valid PHP variables?

Question: What is the best way to iterate and modify every element of an array using PHP 5?

Question: What is the output of the following PHP code? <?php define('FOO', 10); $array = array(10 => FOO, "FOO" => 20); print $array[$array[FOO]] * $array["FOO"]; ?>

Question: What is the output of the following PHP script? <?php $a = 1; $b = 2.5; $c = 0xFF; $d = $b + $c; $e = $d * $b; $f = ($d + $e) % $a; print ($f + $e); ?>

Question: ______ syntax allows large amount of text to printed ignoring double or single quotes. example

<?php

echo <<<EXCERPT
...
...
...
EXCERPT;

?>