PHP Operators Quiz

What is the result of the expression $x + $y?

• Sum of $x and $y

• Quotient of $x and $y

• Difference of $x and $y

• Product of $x and $y

Which operator is used for exponentiation in PHP?

• -

• +

• **

• %

What does the operator '===' check for?

• Not equal values

• Greater than values

• Identical values and types

• Equality of values

What is the purpose of the '++' operator?

• Decrement a variable

• Increment a variable

• Assign a value

• Compare two values

Which operator is used to concatenate strings in PHP?

• |

• &

• .

• +

What does the '??' operator do in PHP?

• Returns the first operand if it exists, otherwise the second

• Performs addition

• Checks for equality

• Concatenates two strings

Which operator is used to compare arrays for equality?

• ==

• <>

• !=

• ===

What is the result of the expression $x % $y?

• Quotient of $x and $y

• Difference of $x and $y

• Sum of $x and $y

• Remainder of $x divided by $y

What does the 'and' operator do?

• Returns true if both operands are true

• Concatenates two strings

• Returns true if either operand is true

• Compares two values

Which operator is used for logical negation?

• not

• !

• &&

• ||