Operator overloading for Objects
Operator overloading for: +, -, *, /, %, **, <<, >>, ., |, &, ^, ~, ++, --, =, +=, -=, *=, /=, %=, **=, <<=, >>=, .=, |=, &=, ^=, ==, !=, <>, ===, !==, <, <=, >, >=, and <=> operators.
License: PHP