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! ~ ++ -- @ * / % + - .

<< >> < <= > >= == != <> === !==

& ^ | && || ?: = += -= *= /=

.= %= &= |= ^= AND XOR OR -> :: new

Operators in PHP take one, two, or three expressions, and result in a value. Just as in mathematics, a multiplication operator has higher precedence than an addition operator. Since not all operators are simple artithmetics, a list ordering the precedence of the operators in this section follows. Each line is a level of precedence, where the first is the highest.

! ~ ++ -- @
* / %
+ - .
<< >>
< <= > >=
== != === !==
&
^
|
&&
||
?:
= += -= *= /= %= ^= &= |= .=
AND
XOR
OR