$_GET['a']=1;
echo "<pre>";
var_dump($GLOBALS['GLOBALS']);
echo"</pre>";
和
$_GET['a']=1;
echo "<pre>";
var_dump($GLOBALS);
echo"</pre>"
都是输出array(5) {
["GLOBALS"]=>
*RECURSION*
["_POST"]=>
array(0) {
}
["_GET"]=>
array(1) {
["a"]=>
int(1)
}
["_COOKIE"]=>
array(0) {
}
["_FILES"]=>
array(0) {
}
}
真心不理解为什么会这样;
echo "<pre>";
var_dump($GLOBALS['GLOBALS']);
echo"</pre>";
和
$_GET['a']=1;
echo "<pre>";
var_dump($GLOBALS);
echo"</pre>"
都是输出array(5) {
["GLOBALS"]=>
*RECURSION*
["_POST"]=>
array(0) {
}
["_GET"]=>
array(1) {
["a"]=>
int(1)
}
["_COOKIE"]=>
array(0) {
}
["_FILES"]=>
array(0) {
}
}
真心不理解为什么会这样;
http://stackoverflow.com/questions/25468963/why-the-string-recursion-is-appearing-in-output-and-every-contained-array-name