PHP Operators
In PHP, operators are symbols or keywords used to perform operations on variables, values, or expressions. PHP provides a wide range of operators that can be categorized into several groups. Here are the main types of operators in PHP:
- Arithmetic Operators:
- Addition:
+ - Subtraction:
- - Multiplication:
* - Division:
/ - Modulo (remainder):
% - Increment:
++ - Decrement:
--
- Addition:
- Assignment Operators:
- Assignment:
= - Addition assignment:
+= - Subtraction assignment:
-= - Multiplication assignment:
*= - Division assignment:
/= - Modulo assignment:
%=
- Assignment:
- Comparison Operators:
- Equal to:
== - Identical to:
=== - Not equal to:
!=or<> - Not identical to:
!== - Greater than:
> - Less than:
< - Greater than or equal to:
>= - Less than or equal to:
<=
- Equal to:
- Logical Operators:
- And:
&&orand - Or:
||oror - Not:
!ornot - Xor:
xor
- And:
- String Operators:
- Concatenation:
. - Concatenation assignment:
.=(e.g.,$str .= " World";)
- Concatenation:
- Array Operators:
- Union:
+ - Equality:
== - Identity:
=== - Inequality:
!=or<> - Non-identity:
!==
- Union:
- Conditional (Ternary) Operator:
- Ternary operator:
condition ? value_if_true : value_if_false
- Ternary operator:
- Type Operators:
- Instanceof:
instanceof
- Instanceof:
These are the basic operators in PHP, but there are more specialized operators available as well. It’s important to understand their usage and precedence rules to write effective PHP code.
