PHP Operators

Arithmetic Operators

+  -  *  /  %  **   // Addition, subtraction, multiplication, division, modulus, exponentiation

Comparison Operators

==   ===   !=   !==   <   >   <=   >=   // Loose and strict equality, inequality, comparison

Logical Operators

&&  ||  !   // AND, OR, NOT
and  or  xor  // Alternate keywords

Assignment Operators

=   +=   -=   *=   /=   %=   .=

Increment/Decrement

++$x   $x++   --$x   $x--

---