PHP increment operators are used to increment a variable's value.
PHP decrement operators are used to decrement a variable's value.
| Operator | Name | Result |
|---|---|---|
| ++$a | Pre Increment | Increment $a by 1 and then return. |
| $a++ | Post Increment | Return $a and then Increment $a by 1. |
| --$a | Pre Decrement | Decrement $a by 1 and then return. |
| $a-- | Post Decrement | Return $a and then Decrement $a by 1. |