PHP 中引用与指针的区别?
References in PHP are a means to access the same variable content by
different names. They are not like C pointers;
$a = 1;
$b = 2;
$v = &$a;
$v = $b;
echo $a."<br />";
echo $b."<br />";
echo $v;
结果:
2
2
2
请问&取址运算符和指针的区别?
PHP 中引用与指针的区别?
References in PHP are a means to access the same variable content by
different names. They are not like C pointers;
$a = 1;
$b = 2;
$v = &$a;
$v = $b;
echo $a."<br />";
echo $b."<br />";
echo $v;
结果:
2
2
2
请问&取址运算符和指针的区别?
php只有引用,没有指针这一说