PHP REGULAR EXPRESSIONS QUIZ

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.)

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

Error

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

TRUE ANSWER : ?
YOUR ANSWER : ?

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

preg_match_all

preg_match

preg_split

preg_matchall

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 ( [3] => potatoes )

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

Array ( [0] => potatoes )

Array ( [1] => steak )

TRUE ANSWER : ?
YOUR ANSWER : ?

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

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

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

Array([1]=> 1)

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 regular expression matches any string containing zero or one p?

p+

p#

p*

P?

TRUE ANSWER : ?
YOUR ANSWER : ?

POSIX implementation was deprecated in which version of PHP?

PHP 5

PHP 5.2

PHP 4

PHP 5.3

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output if we replace the line $num = preg_grep(“/[0-5]/”, $number); with $num = preg_grep(“/[0-5]/”, $number, PREG_GREP_INVERT);?

Array([1]=> 1)

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

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

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

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 Will Pitt I am not great

My name is not Will Pitt I am great

My name is Will Pitt I am great

My name is not Will Pitt I am not great

TRUE ANSWER : ?
YOUR ANSWER : ?

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

is good SaladSaladSaladSaladSalad

SaladSaladSaladSaladSalad is good

Salad is good

is good Salad

TRUE ANSWER : ?
YOUR ANSWER : ?

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 one of the following is not a preg PHP function?

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);

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);

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

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

POSIX implementation was deprecated in which version of PHP?

What will be the output if we replace the line $num = preg_grep(“/[0-5]/”, $number); with $num = preg_grep(“/[0-5]/”, $number, PREG_GREP_INVERT);?

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/>echo str_pad("Salad", 5)." is good.";