PHP

PHP

Question: What’s the special meaning of the following metacharacter(^p)?
A
Matches the beginning of the line

B
Matches the end of the line

C
Matches the middle of the line

D
It count the number of p in a sentence

Note: Not available
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Question: What’s the special meaning of the following metacharacter($:)?
A
Matches the beginning of the line

B
Matches the end of the line

C
Matches the middle of the line

D
It’s just used before a variable

Note: Not available
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Question: What means ($a == 12) ? 5 : -1?
A
If $a equals 12, return value is 5; Otherwise, return value is –1

B
If $a equals 12, return value is -1; Otherwise, return value is 5

C
If $a equals 5, return value is 12; Otherwise, return value is –1

D
If $a equals -1, return value is 5; Otherwise, return value is 12

Note: Not available
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Question: Why preg_grep() function wiil you use?
A
Searches all elements of an array

B
For grapping the array

C
For grapping the character

D
Searches define elements of an array

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Question: select the correct output of the following’s syntax? <?php $v=array("public","policy","support","Republic"); $p=preg_grep("/^p/",$v); print_r($p); ?>
A
Array ( [0] => public [1] => policy )

B
[0] => public [1] => policy

C
Array ( [2] => support [3] => Republic )

D
[2] => support [3] => Republic

Note: Not available
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Question: What means $a .= 5?
A
$a equals $a concatenated with 5

B
$a equals $a divided with 5

C
$a equals $a concatenated with .5

D
$a equals $a concatenated with 5.5

Note: Not available
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Question: Which one matches any string enclosed within and?
A
(.*)

B
(*)

C
^b(.*)

D
^b(.*)b

Note: Not available
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Question: printf("The value of Pi is %f", PI); $pi2 = 2 * PI; printf("Pi doubled equals %f", $pi2); This code produces the following results:
A
The value of pi is 3.141592 Pi doubled equals 6.283184

B
The value of pi is 3.141592 Pi doubled equals 2*3.141592

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

D
The value of pi is 3.141592. 2 * PI

Note: Not available
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Question: Select the correct output__ <?php $string1 = "10"; $string2 = "15"; $result = strcmp($string1, $string2); if ($result !== 0) { echo "The strings do not match"; } else { echo "The strings match"; } ?>
A
The strings do not match

B
The strings match

C
Both incorrect

D
Error

Note: Not available
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Question: Which of the following function returns the number of characters in a string variable?
A
count($variable)

B
len($variable)

C
strcount($variable)

D
strlen($variable)

Note: Not available
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Question: What’s the special meaning of the following metacharacter(^p)?

Question: What’s the special meaning of the following metacharacter($:)?

Question: What means ($a == 12) ? 5 : -1?

Question: Why preg_grep() function wiil you use?

Question: select the correct output of the following’s syntax? <?php $v=array("public","policy","support","Republic"); $p=preg_grep("/^p/",$v); print_r($p); ?>

Question: What means $a .= 5?

Question: Which one matches any string enclosed within <b> and</b>?

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

Question: Select the correct output__ <?php $string1 = "10"; $string2 = "15"; $result = strcmp($string1, $string2); if ($result !== 0) { echo "The strings do not match"; } else { echo "The strings match"; } ?>

Question: Which of the following function returns the number of characters in a string variable?