Q
Which of the following is true about PHP data types?

Answer & Solution

Answer: Option C
Solution:
PHP supports dynamic typing, meaning that variables do not need to be explicitly declared with data types.
Related Questions on Average

Which of the following statements is true about PHP comments?

A). Comments are ignored by the PHP interpreter

B). Comments can only be single-line

C). Comments must start with /* and end with */

D). Comments are displayed on the webpage

What does the PHP statement echo 'Hello, World!'; do?

A). Prints 'Hello, World!' to the browser

B). Declares a variable named 'Hello, World!'

C). Performs a calculation

D). Defines a function named 'Hello, World!'

Which of the following is true about PHP comments?

A). Comments are ignored by the PHP interpreter

B). Comments can only be single-line

C). Comments must start with /* and end with */

D). Comments are displayed on the webpage

What is the purpose of the PHP exit() function?

A). To terminate the script execution

B). To print output to the browser

C). To create a loop in PHP

D). To define a function in PHP

What is the purpose of the PHP require statement?

A). To include and evaluate an external PHP file

B). To define a function in PHP

C). To create a loop in PHP

D). To execute a SQL query

Which of the following PHP tags is used to start and end a block of PHP code?

A). <?php ?>

B). <? ?>

C). <script>

D). <php >

Which of the following is true about PHP variables?

A). Variables must be declared before use

B). Variable names are case-insensitive

C). Variables cannot be reassigned

D). Variables can only store integers

Which of the following is NOT a valid PHP variable name?

A). $my_var

B). $MyVar

C). $my-var

D). $myVar123

What is the purpose of the PHP print_r() function?

A). To print human-readable information about a variable

B). To redirect output to a file

C). To execute SQL queries

D). To define a function in PHP

Which of the following is NOT a valid PHP comparison operator?

A). <=

B). ==

C). <>

D). !