Calculated Fields for ACF supports two different classes of operators, arithmetic and conditional.
Arithmetic operators
The arithmetic operators corresponds to the basic math operators you’re probably already very familiar with:
| Operator | Name | Description |
|---|---|---|
| + | Addition | Returns the sum of two numbers |
| – | Subtraction | Returns the difference between two numbers |
| * | Multiplication | Returns the product of two numbers |
| / | Division | Returns the Quotient of two numbers |
Conditional operators
An expression can also contain an expression using a conditional operator. Conditional operators will return either 1 or 0 representing true or false. The supported conditional operators are
| Operator | Name | Description |
|---|---|---|
| == | Equals | Returns 1 when two values are equal, 0 otherwise |
| != | Not equals | Returns 1 when two values are not equal, 0 otherwise |
| > | Greater than | Returns 1 when the first operand is greater than the second, 0 otherwise |
| < | Less than | Returns 1 when the first operand is lower than the second, 0 otherwise |
| >= | Greater than or equal | Returns 1 when the first operand is greater than or equal to the second, 0 otherwise |
| <= | Less than or equal | Returns 1 when the first operand is less than or equal to the second, 0 otherwise |