18 Questions
What is the output of the expression $x + $y if $x = 10 and $y = 5?
15
What is the purpose of the assignment operator += in PHP?
To assign a value to a variable
What is the output of the expression $x % $y if $x = 10 and $y = 5?
0
What type of operator is used to compare two values in PHP?
Comparison Operator
What is the output of the expression $x - $y if $x = 10 and $y = 5?
5
What is the purpose of the increment operator ++ in PHP?
To increment a value
What type of operators are used to perform mathematical operations in PHP?
Arithmetic Operators
Which operator is used to assign a value to a variable in PHP?
=
What type of operators are used to combine conditional statements in PHP?
Logical Operators
Which operator is used to check if two values are equal in PHP?
==
What type of operators are used to manipulate strings in PHP?
String Operators
Which operator is used to concatenate strings in PHP?
.
What is the purpose of the conditional operator?
To provide a shorthand way to write an if-else statement
What is the output of the expression $x && $y if $x is true and $y is false?
bool(false)
What is the function of the === operator?
Check if two values are equal, and of the same type
What is the purpose of the string operator .?
To concatenate strings
What is the output of the expression $name = "John"; $greeting = "Hello, " . $name . "!";?
Hello, John!
What is the function of the || operator?
Logical OR
Test your understanding of PHP variables and operators. Learn how to declare and use global and local variables, and understand the different types of operators in PHP.
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