Q 1 - Which of the following is correct about PHP?

A - PHP is a recursive acronym for "PHP: Hypertext Preprocessor".

B - PHP is a server side scripting language that is embedded in HTML.

C - It is used to manage dynamic content, databases, session tracking, even build entire e-commerce sites.

D - All of the above.

Q 2 - Which of the following is correct about PHP?

A - PHP performs system functions, i.e. from files on a system it can create, open, read, write, and close them.

B - PHP can handle forms, i.e. gather data from files, save data to a file, thru email you can send data, return data to the user.

C - You add, delete, modify elements within your database thru PHP.

D - All of the above.

Q 3 - Which of the following is correct about PHP?

A - PHP can access cookies variables and set cookies.

B - Using PHP, you can restrict users to access some pages of your website.

C - It can encrypt data.

D - All of the above.

Q 4 - Using which of the following way can you embed PHP code in an HTML page?

A - <?php PHP code goes here ?>

B - <? PHP code goes here ?>

C - <script language="php"> PHP code goes here </script>

D - All of the above.

Q 5 - Which of the following is true about php.ini file?

A - The PHP configuration file, php.ini, is the final and most immediate way to affect PHP's functionality.

B - The php.ini file is read each time PHP is initialized.

C - Both of the above.

D - None of the above.

Q 6 - Which of the following is true about php.ini file?

A - The PHP configuration file, php.ini, is the final and most immediate way to affect PHP's functionality.

B - The php.ini file is read each time PHP is initialized.

C - Both of the above.

D - None of the above.

Q 7 - Is PHP whitespace sensitive?

A - false

B - true

Q 8 - Is PHP case sensitive?

A - false

B - true

Q 9 - Which of the following is true about php variables?

A - All variables in PHP are denoted with a leading dollar sign ($).

B - The value of a variable is the value of its most recent assignment.

C - Variables are assigned with the = operator, with the variable on the left-hand side and the expression to be evaluated on the right.

D - All of the above.

Q 10 - Which of the following is true about php variables?

A - Variables can, but do not need, to be declared before assignment.

B - Variables in PHP do not have intrinsic types - a variable does not know in advance whether it will be used to store a number or a string of characters.

C - Variables used before they are assigned have default values.

D - All of the above.

Q 11 - Which of the following type of variables are whole numbers, without a decimal point, like 4195?

A - Integers

B - Doubles

C - Booleans

D - Strings

Q 12 - Which of the following type of variables are floating-point numbers, like 3.14159 or 49.1?

A - Integers

B - Doubles

C - Booleans

D - Strings

Q 13 - Which of the following type of variables have only two possible values either true or false?

A - Integers

B - Doubles

C - Booleans

D - Strings

Q 14 - Which of the following type of variables are special type that only has one value: NULL?

A - Strings

B - Doubles

C - Booleans

D - NULL

Q 15 - Which of the following type of variables are sequences of characters, like 'PHP supports string operations.'?

A - Strings

B - Arrays

C - Objects

D - Resources

Q 16 - Which of the following type of variables are named and indexed collections of other values?

A - Strings

B - Arrays

C - Objects

D - Resources

Q 17 - Which of the following type of variables are instances of programmer-defined classes?

A - Strings

B - Arrays

C - Objects

D - Resources

Q 18 - Which of the following type of variables are special variables that hold references to resources external to PHP (such as database connections)?

A - Strings

B - Arrays

C - Objects

D - Resources

Q 19 - Which of the following is correct about variable naming rules?

A - Variable names must begin with a letter or underscore character.

B - A variable name can consist of numbers, letters, underscores.

C - you cannot use characters like + , - , % , ( , ) . & , etc in a variable name.

D - All of the above.

Q 20 - Which of the following is correct about determine the "truth" of any value not already of the Boolean type?

A - If the value is a number, it is false if exactly equal to zero and true otherwise.

B - If the value is a string, it is false if the string is empty (has zero characters) or is the string "0", and is true otherwise.

C - Values of type NULL are always false.

D - All of the above.

Q 21 - Which of the following is correct about determine the "truth" of any value not already of the Boolean type?

A - If the value is an array, it is false if it contains no other values, and it is true otherwise. For an object, containing a value means having a member variable that has been assigned a value.

B - Valid resources are true (although some functions that return resources when they are successful will return FALSE when unsuccessful).

C - Don't use double as Booleans.

D - All of the above.

Q 22 - Which of the following is correct about NULL?

A - NULL is a special type that only has one value: NULL.

B - The special constant NULL is capitalized by convention, but actually it is case insensitive.

C - Both of the above.

D - None of the above.

Q 23 - Which of the following is correct about NULL?

A - A variable that has been assigned NULL evaluates to FALSE in a Boolean context.

B - A variable that has been assigned NULL returns FALSE when tested with IsSet() function.

C - Both of the above.

D - None of the above.

Q 24 - Which of the following is correct about constants?

A - To define a constant you have to use define() function.

B - To retrieve the value of a constant, you have to simply specify its name.

C - Both of the above.

D - None of the above.

Q 25 - Which of the following is correct about constants?

A - Unlike with variables, you do not need to have a constant with a $.

B - Only scalar data (boolean, integer, float and string) can be contained in constants.

C - Both of the above.

D - None of the above.