PHP tutorial-PHP operators
PHP operators
Assignment Operator
= sign is used as the assignment operator in PHP.
Example:
$yourage=18;
Arithmetic operators
| Operator | Description | Example | Result |
| + | Addition | a=1+2 | 3 |
| - | Subtraction | a=3-1 | 2 |
| * | Multiplication | a=2*5 | 10 |
| / | Division | 10/2 | 5 |
| % | Modulus (division remainder) | 10%2 | 0 |
| ++ | Increment | a=3 a++ | a=4 |
| -- | Decrement | a=3 a-- | a=2 |
Comparison operators
| Operator | Description | Example |
| == | equal to | 1==2 evaluated to false |
| != | not equal | 1!=2 evaluated to true |
| > | greater than | 1>2 evaluated to false |
| < | less than | 1<2 evaluated to true |
| >= | greater than or equal to | 1>=2 evaluated to false |
| <= | less than or equal to | 1<=2 evaluated to true |
Logical Operators
| Operator | Description | Example |
| && | and | x=1 y=2 (x < 5 && y > 1) evaluated to true |
| || | or | x=1 y=2 (x>2 || y>1) evaluated to true |
| ! | not | x=1 y=2 !(x==y) evaluated to true |
Compound Operators
| Operator | Example | The Same As |
| += | x+=y | x=x+y |
| -= | x-=y | x=x-y |
| *= | x*=y | x=x*y |
| /= | x/=y | x=x/y |
| .= | x.=y | x=x.y |
| %= | x%=y | x=x%y |
Sting concatenation operator (.)
Point (.) is used to concatenate strings or text
Example:
$yourname="Yuk"."Sovandara";
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