PHP Part 1

Which one of the following statements about PHP syntax is TRUE?

• A PHP script cannot be placed anywhere in the HTML document.

• A PHP file normally contains PHP scripting codes only.

• PHP commands are case sensitive.

• Each statement in PHP must end with a semicolon.

Which one of the following statements about PHP variables is FALSE?

• Variables in PHP starts with a $ sign, followed by the name of the variable.

• The variable name must begin with a letter or the underscore character.

• Variable names are not case sensitive.

• A variable name should not contain spaces.

How do you comment out a multiple lines of PHP codes?

• \\ \\

• \* *\

• /* */

• // //

Which one of the following built-in functions sorts an array by key in ascending order?

• ksort()

• asort()

• krsort()

• arsort()

Which one of the following statements about PHP syntax is FALSE?

• A PHP script always starts with <?php and ends with ?>.

• A PHP file normally contains HTML tags, and some PHP scripting code.

• Each statement in PHP must end with a semicolon.

• PHP commands are case sensitive.

Which one of the following variables is a VALID PHP variable?

• <exampleVariable

• %exampleVariable

• $exampleVariable

• ?exampleVariable

What is the output of the following lines of PHP codes?

• ' PHP’ rules!

• $word rules!

• echo PHP rules!

• PHP rules!

How do you comment out a single line of PHP code?

• //

• / * */

• \* *\

• \\

Which one of the following statements is NOT an advantage of PHP as a server-side scripting language?

• It is easily interpreted by the browser.

• There is reduced load on the client machines.

• It has access to server side resources.

• It has no browser compatibility issues.

What is the output of the following lines of PHP codes?

$word = 'PHP';

echo "$word rules!";

• echo PHP rules!

• ' PHP’ rules!

• $word rules!

• PHP rules!