php中 || 和 or的区别

$test = 1 || 0;

var_dump($test);

//bool(true)

$test = 0 || 1;

var_dump($test);

//bool(true)

$test = 1 or 0;

var_dump($test);

//int(1)

$test = 0 or 1;

var_dump($test);

//int(0)