Operator Php

Associativity          Operators
left                   ,
left                   or
left                   xor
left                   and
right                  print
left                   = += -= *= /= .=%=&= |= ^= ~= «= »=
left                   ? :
left                   ||
left                   &&
left                   |
left                   ^
left                   &
non-associative        == != ===
non-associative        < <= > >=
left                   << >>
left                   + - .
left                   * /%
right                  ! ~ ++ â€“ (int) (double) (string) (array) (object) @
right                  [
non-associative        new