PHP Operator is a symbol i.e used to perform operations on operands. For example:
In the above example, + is the binary + operator, 30 and 50 are operands and $num is variable.
PHP Operators can be categorized in following forms:
We can also categorize operators on behalf of operands. They can be categorized in 3 forms:
Let's see the precedence of PHP operators with associativity.
| Operators | Additional Information | Associativity |
|---|---|---|
| clone new | clone and new | non-associative |
| [ | array() | left |
| ** | arithmetic | right |
| ++ -- ~ (int) (float) (string) (array) (object) (bool) @ | increment/decrement and types | right |
| instanceof | types | non-associative |
| ! | logical (negation) | right |
| * / % | arithmetic | left |
| + - . | arithmetic and string concatenation | left |
| << >> | bitwise (shift) | left |
| < <= > >= | comparison | non-associative |
| == != === !== <> | comparison | non-associative |
| & | bitwise AND | left |
| ^ | bitwise XOR | left |
| | | bitwise OR | left |
| && | logical AND | left |
| || | logical OR | left |
| ?: | ternary | left |
| = += -= *= **= /= .= %= &= |= ^= <<= >>= => | assignment | right |
| and | logical | left |
| xor | logical | left |
| or | logical | left |
| , | many uses (comma) | left |
