|
Escrito por admin
|
|
Quarta, 21 Março 2007 |
PHP Operators
Operators são utilizados para executar operações de calculo.
PHP Operators Operators usados no PHP. Operadores Aritméticos | Operator | Descrição | Exemplo | Resultado | | + | Addition | x=2
x+2 | 4 | | - | Subtraction | x=2
5-x | 3 | | * | Multiplication | x=4
x*5 | 20 | | / | Division | 15/5
5/2 | 3
2.5 | | % | Modulus (division remainder) | 5%2
10%8
10%2 | 1
2
0 | | ++ | Increment | x=5
x++ | x=6 | | -- | Decrement | x=5
x-- | x=4 | Assignment Operators | Operator | Exemplo | É igual a | | = | x=y | 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 | Comparison Operators | Operator | Description | Example | | == | is equal to | 5==8 returns false | | != | is not equal | 5!=8 returns true | | > | is greater than | 5>8 returns false | | < | is less than | 5<8 returns true | | >= | is greater than or equal to | 5>=8 returns false | | <= | is less than or equal to | 5<=8 returns true | Logical Operators | Operator | Description | Example | | && | and | x=6
y=3 (x < 10 && y > 1) returns true | | || | or | x=6
y=3 (x==5 || y==5) returns false | | ! | not | x=6
y=3 !(x==y) returns true |
|
