   #PHP Manual Operators Operators Assignment Operators

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Arithmetic Operators

   Remember basic arithmetic from school? These work just like those.

   Table 10-2. Arithmetic Operators
   Example Name           Result
   $a + $b Addition       Sum of $a and $b.
   $a - $b Subtraction    Difference of $a and $b.
   $a * $b Multiplication Product of $a and $b.
   $a / $b Division       Quotient of $a and $b.
   $a % $b Modulus        Remainder of $a divided by $b.

   The division operator ("/") returns a float value anytime, even if the
   two operands are integers (or strings that get converted to integers).

   See also the manual page on Math functions.
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