PHP Operators with example
Operator in PHP is a symbol that is used to perform operations.For example: +, -, *, / etc.
There are many types of operators in PHP which are given below:
- Arithmetic operators
- Assignment operators
- Comparison operators
- Increment/Decrement operators
- Logical operators
- String operators
- Array operators
Arithmetic operators
| Operator |
Description |
Example |
Result |
Run It |
+ |
Addition |
$x + $y |
Sum of $x and $y |
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- |
Subtraction |
$x - $y |
Difference of $x and $y. |
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* |
Multiplication |
$x * $y |
Product of $x and $y. |
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/ |
Division |
$x / $y |
Quotient of $x and $y |
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% |
Modulus |
$x % $y |
Remainder of $x divided by $y |
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Assignment operators
| Operator |
Description |
Example |
Is The Same As |
Run It |
= |
Assign |
$x = $y |
$x = $y |
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+= |
Add and assign |
$x += $y |
$x = $x + $y |
Run It » |
-= |
Subtract and assign |
$x -= $y |
$x = $x - $y |
Run It » |
*= |
Multiply and assign |
$x *= $y |
$x = $x * $y |
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/= |
Divide and assign quotient |
$x /= $y |
$x = $x / $y |
Run It » |
%= |
Divide and assign modulus |
$x %= $y |
$x = $x % $y |
Run It » |
Comparison operators
| Operator |
Name |
Example |
Result |
Run It |
== |
Equal |
$x == $y |
True if $x is equal to $y |
Run It » |
=== |
Identical |
$x === $y |
True if $x is equal to $y, and they are of the same type |
Run It » |
!= |
Not equal |
$x != $y |
True if $x is not equal to $y |
Run It » |
<> |
Not equal |
$x <> $y |
True if $x is not equal to $y |
Run It » |
!== |
Not identical |
$x !== $y |
True if $x is not equal to $y, or they are not of the same type |
Run It » |
< |
Less than |
$x < $y |
True if $x is less than $y |
Run It » |
> |
Greater than |
$x > $y |
True if $x is greater than $y |
Run It » |
>= |
Greater than or equal to |
$x >= $y |
True if $x is greater than or equal to $y |
Run It » |
<= |
Less than or equal to |
$x <= $y |
True if $x is less than or equal to $y |
Run It » |
Increment/Decrement operators
| Operator |
Name |
Effect |
Run It |
++$x |
Pre-increment |
Increments $x by one, then returns $x |
Run It » |
$x++ |
Post-increment |
Returns $x, then increments $x by one |
Run It » |
--$x |
Pre-decrement |
Decrements $x by one, then returns $x |
Run It » |
$x-- |
Post-decrement |
Returns $x, then decrements $x by one |
Run It » |
Logical operators
| Operator |
Name |
Example |
Result |
Run It |
and |
And |
$x and $y |
True if both $x and $y are true |
Run It » |
or |
Or |
$x or $y |
True if either $x or $y is true |
Run It » |
xor |
Xor |
$x xor $y |
True if either $x or $y is true, but not both |
Run It » |
&& |
And |
$x && $y |
True if both $x and $y are true |
Run It » |
|| |
Or |
$x || $y |
True if either $$x or $y is true |
Run It » |
! |
Not |
!$x |
True if $x is not true |
Run It » |
String operators
| Operator |
Description |
Example |
Result |
Run It |
. |
Concatenation |
$str1 . $str2 |
Concatenation of $str1 and $str2 |
Run It » |
.= |
Concatenation assignment |
$str1 .= $str2 |
Appends the $str2 to the $str1 |
Run It » |
Array Operator
| Operator |
Name |
Example |
Result |
Run It |
+ |
Union |
$x + $y |
Union of $x and $y |
Run It » |
== |
Equality |
$x == $y |
True if $x and $y have the same key/value pairs |
Run It » |
=== |
Identity |
$x === $y |
True if $x and $y have the same key/value pairs in the same order and of the same types |
Run It » |
!= |
Inequality |
$x != $y |
True if $x is not equal to $y |
Run It » |
<> |
Inequality |
$x <> $y |
True if $x is not equal to $y |
Run It » |
!== |
Non-identity |
$x !== $y |
True if $x is not identical to $y |
Run It » |