JAVA CONSTRUCTORS AND METHODS QUIZ

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

preg_match_all

preg_match

preg_matchall

preg_split

TRUE ANSWER : ?
YOUR ANSWER : ?

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

contact

contact@

contact@examians.com

examians.com

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

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

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

Array([1]=> 1)

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_divide()

preg_split()

preg_unchain()

preg_destroy()

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following functions finds the last occurrence of a string, returning its numerical position?

strrpos()

strlast()

strpos()

strlastpos()

TRUE ANSWER : ?
YOUR ANSWER : ?

POSIX stands for

Portable Operating System Interface for Unix

Portative Operating System Interface for Linux

Portable Operating System Interface for Linux

Portative Operating System Interface for Unix

TRUE ANSWER : ?
YOUR ANSWER : ?

Which among the following is/are not a metacharacter? 1. /a 2. /A 3. /b 4. /B

1 and 3

2 and 4

Only 1

2, 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 : ?

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

Array([1]=> 1)

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

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

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 ( [0] => potatoes )

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

Array ( [3] => potatoes )

Array ( [1] => steak )

TRUE ANSWER : ?
YOUR ANSWER : ?

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

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

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

Which one of the following functions finds the last occurrence of a string, returning its numerical position?

POSIX stands for

Which among the following is/are not a metacharacter?<br/>1. /a<br/>2. /A<br/>3. /b<br/>4. /B

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

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/>$foods = array("pasta", "steak", "fish", "potatoes");<br/>$food = preg_grep("/^s/", $foods);<br/>print_r($food);