PHP REGULAR EXPRESSIONS QUIZ

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

concat()

explode()

implode()

concatenate()

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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));

this is some text that we might like to parse.

Array ( [0] => some text that [1] => 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.

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YOUR ANSWER : ?

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

p*

p#

P?

p+

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

2 and 4

Only 1

1 and 3

2, 3 and 4

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

preg_match

preg_search

preg_find

preg_found

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What will be the output of the following PHP code? $username = "jasoN"; if (ereg("([^a-z])",$username)) echo "Username must be all lowercase!"; else echo "Username is all lowercase!";

No Output is returned

Username must be all lowercase!

Error

Username is all lowercase!

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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([1]=> 1)

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

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

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

3 and 4

None of the mentioned

All of the mentioned

1 and 2

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

uppercase()

str_uppercase()

struppercase()

strtoupper()

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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.)

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

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

Error

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YOUR ANSWER : ?

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

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 regular expression matches any string containing zero or one p?

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 functions is used to search a string?

What will be the output of the following PHP code?<br/>$username = "jasoN";<br/>if (ereg("([^a-z])",$username))<br/>echo "Username must be all lowercase!";<br/>else<br/>echo "Username is all lowercase!";

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);

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()

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

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);