STOICHIOMETRY QUIZ

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

preg_destroy()

preg_divide()

preg_unchain()

preg_split()

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 great

My name is Will Pitt I am not great

My name is not Will Pitt I am not great

My name is Will Pitt I am great

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 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. I hate dogs. We should marry.)

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

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

Error

TRUE ANSWER : ?
YOUR ANSWER : ?

Say we have two compare two strings which of the following function/functions can you use? 1. strcmp() 2. strcasecmp() 3. strspn() 4. strcspn()

All of the mentioned

3 and 4

None of the mentioned

1 and 2

TRUE ANSWER : ?
YOUR ANSWER : ?

What will be the output of the following PHP code? $text = "this istsome text thatnwe might like to parse."; print_r(split("[nt]",$text));

Array ( [0] => some text that [1] => we might like to parse. )

this is some text that we might like to parse.

Array ( [0] => this is [1] => some text that [2] => we might like to parse. )

[0] => this is [1] => some text that [2] => we might like to parse.

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following functions can be used to concatenate array elements to form a single delimited string?

explode()

concatenate()

concat()

implode()

TRUE ANSWER : ?
YOUR ANSWER : ?

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

2 and 4

1 and 4

1 and 2

2 and 3

TRUE ANSWER : ?
YOUR ANSWER : ?

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

1 and 3

Only 1

2, 3 and 4

2 and 4

TRUE ANSWER : ?
YOUR ANSWER : ?

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

contact

contact@examians.com

contact@

examians.com

TRUE ANSWER : ?
YOUR ANSWER : ?

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

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";

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

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);

Say we have two compare two strings which of the following function/functions can you use?<br/>1. strcmp()<br/>2. strcasecmp()<br/>3. strspn()<br/>4. strcspn()

What will be the output of the following PHP code?<br/>$text = "this istsome text thatnwe might like to parse.";<br/>print_r(split("[nt]",$text));

Which one of the following functions can be used to concatenate array elements to form a single delimited string?

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

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

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