PHP REGULAR EXPRESSIONS QUIZ

How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions.

10

9

8

7

TRUE ANSWER : ?
YOUR ANSWER : ?

POSIX implementation was deprecated in which version of PHP?

PHP 5.2

PHP 5

PHP 4

PHP 5.3

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? echo str_pad("Salad", 5)." is good.";

SaladSaladSaladSaladSalad is good

Salad is good

is good Salad

is good SaladSaladSaladSaladSalad

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Which one of the following preg PHP function is used to do a find and replace on a string or an array?

preg_replace()

preg_find()

preg_find_replace()

preg_findre()

TRUE ANSWER : ?
YOUR ANSWER : ?

Parameter flags was added in which version of PHP?

PHP 4.3

PHP 4.2

PHP 4.0

PHP 4.1

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What will be the output of the following PHP code? $number = array(0,1,two,three,four,5); $num = preg_grep("/[0-5]/", $number); print_r($num);

Array([2]=>two [3]=>three [4]=>four)

Array([0]=>0 [1]=>1 [2]=>two [3]=>three [4]=>four [5]=>5)

Array([1]=> 1)

Array([0]=>0 [1]=>1 [5]=>5)

TRUE ANSWER : ?
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Which one of the following functions will convert a string to all uppercase?

struppercase()

str_uppercase()

uppercase()

strtoupper()

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YOUR ANSWER : ?

Which one of the following is not a preg PHP function?

preg_match_all

preg_split

preg_matchall

preg_match

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YOUR ANSWER : ?

[:alpha:] can also be specified as.

[A-z]

[A-Za-z0-9]

[A-za-z]

[a-z]

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following would be a potential match for the Perl-based regular expression /fo{2,4}/ ? 1. fol 2. fool 3. fooool 4. fooooool

Only 1

1 and 4

1, 3 and 4

2 and 3

TRUE ANSWER : ?
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How many functions does PHP offer for searching and modifying strings using Perl-compatible regular expressions.

POSIX implementation was deprecated in which version of PHP?

What will be the output of the following PHP code?<br/>echo str_pad("Salad", 5)." is good.";

Which one of the following preg PHP function is used to do a find and replace on a string or an array?

Parameter flags was added in which version of PHP?

What will be the output of the following PHP code?<br/>$number = array(0,1,two,three,four,5);<br/>$num = preg_grep("/[0-5]/", $number);<br/>print_r($num);

Which one of the following functions will convert a string to all uppercase?

Which one of the following is not a preg PHP function?

[:alpha:] can also be specified as.

Which of the following would be a potential match for the Perl-based regular expression /fo{2,4}/ ?<br/>1. fol<br/>2. fool<br/>3. fooool<br/>4. fooooool