PHP spooky Operator Precedence ____php by logical XOR or operator

In the logical operator of PHP, XOR represents a logical XOR or

$a XOR $b

Results

Returns true if the $a and $b have and only one is true, or False if all are true or false.

However, when testing the XOR operator, a little problem was found
error Condition 1

<?php
        $a = False xor true;
        Var_dump ($a);
? >

result 1

Boolean false

Situation 2

<?php
        $a = True xor false;
        Var_dump ($a);
? >

Result 2

Boolean true

What the hell is going on here?

Let's change the way the XOR operator is tested
Situation 3

<?php
        echo False xor true;
? >

result 3

1

So there's no problem, so what's wrong with the first two cases?

Situation 4

<?php
        $a = (false xor true);
        Var_dump ($a)
?>

Result 4

Boolean true

This is true, and visibility should be caused by operator precedence.

In PHP, theoperator precedence of and, or, XOR is lower than = , in which case it would be nice to add a parenthesis ...