}
g2fun();
echo
"\n--- in 2.php ----\n";
var_dump('$g1 => ',
$g1
, '$g2 => ',
$g2
, '$gg2 => ',
$gg2
);
echo
"\n--- ----\n";
global
$g1
;
echo
"\n--- in 2.php global----\n";
var_dump('$g1 => ',
$g1
, '$g2 => ',
$g2
, '$gg2 => ',
$gg2
);
echo
"\n--- ----\n";
结果
代码如下:
--- in g2fun ----
string(7) "$g1 => "
string(2) "g1"
string(7) "$g2 => "
NULL
string(8) "$gg2 => "
string(3) "gg2"
--- ----
--- in 2.php ----
string(7) "$g1 => "
NULL
string(7) "$g2 => "
string(2) "g2"
string(8) "$gg2 => "
string(3) "gg2"
--- ----
--- in 2.php
global
----
string(7) "$g1 => "
string(2) "g1"
string(7) "$g2 => "
string(2) "g2"
string(8) "$gg2 => "
string(3) "gg2"
--- ----
-----in
class
fun---
string(7) "$g1 => "