const keyword, as shown in option C.
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
What is the purpose of the PHP unset() function?
A). To destroy a specified variable
B). To create an array in PHP
C). To execute SQL queries
D). To define a function in PHP
What is the purpose of the PHP include statement?
A). To include and evaluate an external PHP file
B). To create a loop in PHP
C). To define a function in PHP
D). To execute a SQL query
Which of the following statements is true about PHP arrays?
A). PHP arrays can hold values of different data types
B). PHP arrays must have continuous index values
C). PHP arrays are immutable
D). PHP arrays 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 require_once statement?
A). To include and evaluate an external PHP file only once
B). To create a loop in PHP
C). To define a function in PHP
D). To execute a SQL query
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 symbols is used to concatenate strings in PHP?
A). +
B). <>
C). .
D). -
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
Which of the following is a valid PHP constant?
A). MY_CONST
B). $myConst
C). MY_CONST
D). myConst