PHP REGULAR EXPRESSIONS QUIZ

Parameter flags was added in which version of PHP?

PHP 4.0

PHP 4.2

PHP 4.3

PHP 4.1

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? $url = "contact@examians.com"; echo ltrim(strstr($url, "@"),"@");

contact@examians.com

examians.com

contact@

contact

TRUE ANSWER : ?
YOUR ANSWER : ?

[:alpha:] can also be specified as.

[A-z]

[A-Za-z0-9]

[a-z]

[A-za-z]

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following functions is used to search a string?

preg_match

preg_found

preg_find

preg_search

TRUE ANSWER : ?
YOUR ANSWER : ?

How many functions does PHP offer for searching strings using POSIX style regular expression?

10

9

7

8

TRUE ANSWER : ?
YOUR ANSWER : ?

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

uppercase()

strtoupper()

struppercase()

str_uppercase()

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $foods = array("pasta", "steak", "fish", "potatoes"); $food = preg_grep("/^s/", $foods); print_r($food);

Array ( [1] => steak )

Array ( [3] => potatoes )

Array ( [0] => pasta [1] => steak [2] => fish [3] => potatoes )

Array ( [0] => potatoes )

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

1, 3 and 4

1 and 4

Only 1

2 and 3

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following preg PHP functions is used to take a string, and put it in an array?

preg_split()

preg_unchain()

preg_destroy()

preg_divide()

TRUE ANSWER : ?
YOUR ANSWER : ?

Parameter flags was added in which version of PHP?

POSIX implementation was deprecated in which version of PHP?

What will be the output of the following PHP code?<br/>$url = "contact@examians.com";<br/>echo ltrim(strstr($url, "@"),"@");

[:alpha:] can also be specified as.

Which one of the following functions is used to search a string?

How many functions does PHP offer for searching strings using POSIX style regular expression?

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

What will be the output of the following PHP code?<br/>$foods = array("pasta", "steak", "fish", "potatoes");<br/>$food = preg_grep("/^s/", $foods);<br/>print_r($food);

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

Which one of the following preg PHP functions is used to take a string, and put it in an array?