Welcome to the Strings and Regular Expressions MCQs Page

Dive deep into the fascinating world of Strings and Regular Expressions with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Strings and Regular Expressions, a crucial aspect of PHP. In this section, you will encounter a diverse range of MCQs that cover various aspects of Strings and Regular Expressions, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within PHP.

Check out the MCQs below to embark on an enriching journey through Strings and Regular Expressions. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of PHP.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Strings and Regular Expressions. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Strings and Regular Expressions MCQs | Page 5 of 10

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Functions in PHP

Q41.

Case functions are used for

Changing lowercase to uppercase

Changing the length of string

String replacement functions

Searching functions

Discuss

Answer: (a).Changing lowercase to uppercase

Q42.

Chop ( ), ltrim ( ) and trim functions are used for

Slicing

Dicing

Cleaning up untidy strings

Concatenation of strings

Discuss

Answer: (c).Cleaning up untidy strings

Q43.

Which function is identical to Strstr ( )?

Strlen ( )

Strchar ( )

Strcmp ( )

None of them

Discuss

Answer: (b).Strchar ( )

Q44.

Selecting a substring by numerical position is property of

Strstr ( )

Substr ( )

str ( )

Strsub ( )

Discuss

Answer: (d).Strsub ( )

Q45.

In substring selection which function modifies a string?

Strchar ( )

Slicing

Dicing

None of them

Discuss

Answer: (c).Dicing

Q46.

Which function is used for escaping quotation marks, double quotation marks, backslashes and Nulls from a string?

remove ( )

removeslash( )

addslashes ( )

None of them

Discuss

Answer: (c).addslashes ( )

Q47.

In addition to single and double quoted strings PHP offers another way to specify a string which is called as

heredoc

Concatenation

Literals

None of them

Discuss

Answer: (a).heredoc

Q48.

Which function returns resulting string as its value?

printf ( ) function

scanf ( ) function

sprintf ( ) function

None of them

Discuss

Answer: (c).sprintf ( ) function

Q49.

Which two functions are used for replacing a string with another string?

Str_replace ( )

Substr_replace ( )

Replace ( )

Both a and b

Discuss

Answer: (d).Both a and b

Q50.

Which string type is interpreted as a number of sequences and automatically interpolates variable values?

Single quoted string

Doubly quoted string

Numbered string

Both a and b

Discuss

Answer: (b).Doubly quoted string

Page 5 of 10

Welcome to the Strings and Regular Expressions MCQs Page

Strings and Regular Expressions MCQs | Page 5 of 10

Explore more Topics under PHP

Basics of PHP

Arrays and Functions in PHP

Object Oriented PHP

Error and Exception Handling in PHP

PHP Filesystem

Session Handling in PHP

Objects and Databases in PHP

Object Tools and Variables

Constants and Operators in PHP

PHP Controls Structures

Functions in PHP

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