Writing and executing your first PHP script Mocktest

Question - 19

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Writing and executing your first PHP script
Mocktest

What is the file extension for PHP scripts?

A). .html B). .php C). .js D). .css

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option B

Solution:

PHP scripts typically have a file extension of .php, distinguishing them from other web files.

Which of the following tags is used to indicate the beginning of PHP code?

A). <?php B). <!DOCTYPE html> C). <? ... ?> D). </php>

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

The opening tag for PHP code is <?php, allowing the PHP interpreter to recognize and parse the PHP code within.

How do you output text in PHP?

A). echo "Hello, World!"; B). console.log("Hello, World!"); C). print("Hello, World!"); D). write("Hello, World!");

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

echo is a PHP construct used to output text. The correct syntax is echo "Hello, World!";.

What is the purpose of the semicolon (;) in PHP?

A). To indicate the end of a statement B). To concatenate strings C). To multiply two numbers D). To declare a variable

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

In PHP, the semicolon is used to terminate statements, indicating the end of a line of code.

Which function is used to retrieve the value of a query string parameter in PHP?

A). $_GET[] B). $_POST[] C). $_SESSION[] D). $_COOKIE[]

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

$_GET[] is a superglobal array in PHP used to retrieve the value of a query string parameter passed in the URL.

What does the following code output? <?php echo 5 + 3 * 2; ?>

A). 16 B). 11 C). 10 D). 6

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

In PHP, mathematical operators follow the standard order of operations. Thus, the expression is evaluated as 5 + (3 * 2), resulting in 11.

Which of the following PHP tags is deprecated and should be avoided?

A). script tag B). <?php C). <? ... ?> D). <?php ... ?>

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option C

Solution:

The short opening tag <? ... ?> is deprecated and should be avoided in favor of <?php ... ?> for compatibility and consistency.

Which function is used to include the contents of another PHP file?

A). include() B). require() C). import() D). load()

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

include() is used to include the contents of another PHP file into the current script.

What is the output of the following code? <?php $name = "Alice"; echo "Hello, $name!"; ?>

A). Hello, $name! B). Hello, Alice! C). Nothing (empty output) D). Syntax error

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option B

Solution:

Double quotes allow variable interpolation in PHP. Therefore, the value of $name will be substituted, resulting in Hello, Alice!.

10.

Which of the following statements is true about PHP variables?

A). Variable names are case-sensitive in PHP B). PHP variables must start with a dollar sign ($) C). Variable names cannot contain numbers D). Variables in PHP cannot be reassigned

Answer & Solution Discuss in Board

Answer & Solution

Answer: Option A

Solution:

Variable names in PHP are indeed case-sensitive, so $name and $Name would be considered different variables.

Writing and executing your first PHP script Mocktest

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