PHP REGULAR EXPRESSIONS QUIZ

What will be the output of the following PHP code? $str = "Hello! My name is Cameron Fox. Coffee?"; $find = array('/is/','/coffee/'); $replace = array('/was/','/tea/'); echo preg_replace ($find, $replace, $str);

Hello! My name is Cameron Fox. tea?

Hello! My name was Cameron Fox. tea?

Hello! My name is Cameron Fox. Coffee?

Hello! My name was Cameron Fox. Coffee?

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

Array ( [0] => potatoes )

Array ( [3] => potatoes )

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_destroy()

preg_unchain()

preg_divide()

TRUE ANSWER : ?
YOUR ANSWER : ?

PHP has long supported two regular expression implementations known as _ and _. 1. Perl 2. PEAR 3. Pearl 4. POSIX

1 and 4

2 and 3

1 and 2

2 and 4

TRUE ANSWER : ?
YOUR ANSWER : ?

Parameter flags was added in which version of PHP?

PHP 4.2

PHP 4.1

PHP 4.0

PHP 4.3

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $name = "What is your name?"; if (preg_match("/name/"),$name) echo "My name is Will Pitt "; else echo "My name is not Will Pitt "; if (preg_match("/are/")) echo "I am great"else echo "I am not great";

My name is not Will Pitt I am not great

My name is Will Pitt I am not great

My name is Will Pitt I am great

My name is not Will Pitt I am great

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $line = "You like dogs. I hate dogs. We should marry." $sen = preg_split('/./', $line); print_r($sen);

Array([0]=>You like dogs. [1]=>I hate dogs. [2]=>We should marry.)

Error

You like dogs. I hate dogs. We should marry.

Array([0]=>You like dogs. I hate dogs. We should marry.)

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 and 4

2 and 3

Only 1

1, 3 and 4

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following regular expression matches any string containing zero or one p?

p+

p*

p#

P?

TRUE ANSWER : ?
YOUR ANSWER : ?

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

struppercase()

str_uppercase()

uppercase()

strtoupper()

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code?<br/>$str = "Hello! My name is Cameron Fox. Coffee?";<br/>$find = array('/is/','/coffee/');<br/>$replace = array('/was/','/tea/');<br/>echo preg_replace ($find, $replace, $str);

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

PHP has long supported two regular expression implementations known as _ and _.<br/>1. Perl<br/>2. PEAR<br/>3. Pearl<br/>4. POSIX

Parameter flags was added in which version of PHP?

What will be the output of the following PHP code?<br/>$name = "What is your name?";<br/>if (preg_match("/name/"),$name)<br/>echo "My name is Will Pitt ";<br/>else<br/>echo "My name is not Will Pitt ";<br/>if (preg_match("/are/"))<br/>echo "I am great"else echo "I am not great";

What will be the output of the following PHP code?<br/>$line = "You like dogs. I hate dogs. We should marry."<br/>$sen = preg_split('/./', $line);<br/>print_r($sen);

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 regular expression matches any string containing zero or one p?

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