PHP 关于访问控制的和运算符优先级介绍

class Foo
{
private $name = 'hdj';
public function getName(){
return $this->name;
}
} class Bar extends Foo
{
public $name = 'deeka';
} $bar = new Bar;
var_dump($bar->name);
var_dump($bar->getName());

$a = 3;
$b = 6;
if($a = 5 || $b = 7){
echo $b.'
';
$a++;
$b++;
}
var_dump($a,$b);
echo '
$a = (5 || $b = 7)';

echo '

---

';
$a = 3;
$b = 6;
$c = 1;
if($a = 5 || $b = 7 && $c = 10){
$a++;
$b++;
}
var_dump($a,$b,$c);
echo '
&& 比 || 高';

echo '

---

';
$a = 3;
$b = 6;
$c = 1;
if($a = 0 || $b = 7 && $c = 10){
$a++;
$b++;
}
var_dump($a,$c);
echo '
';
echo '

---

';

class Foo {
private $name = 'hdj';
public function getName() {
return $this->name;
}
}class Bar extends Foo {
public $name = 'deeka';
}$bar = new Bar;
var_dump($bar->name);
var_dump($bar->getName());