Header jump and include include issues detailed _php tips

Registration procedures to unify the single entrance, the core judgment is Checkip, only in the name of the template is not a real-name certification procedures to do a game_id judge can. Because too sure, anxious to work out of the psychological, coupled with everyone urged the tension, all of a sudden, made two mistakes: first, the position of the game_id judgment, resulting in many of the following variables did not reach the destination page, and the second is not understand header jump and include contains meaning Directly with the header do jump.

Header jump page, can not inherit the previous page variables and other elements, examples:
a.php file

$userEname = "Crystal";
$userCname = "Chengcheng";
Your code
................................
Header ("location:b.php");
Your code
..................

If you quote $userename in the b.php file, what do you think the result is? OK, no suspense, at this time the $userename = null. If you include b.php with include, you can avoid the problem of $userename being empty. This is still Peng remind me.
After language: close to 9 o ' time to do well, Peng has been waiting for me to do a good job after the dare to go home, dedicated people ah, praise one. The most pitiful on a few small white, originally promised to accompany her to go shopping after work, the results in the company after 2 hours, still I successfully put the pigeons. Seemingly this situation is still a lot, I guess she will not look for me to go shopping ... Ah ~ programmer, really can't afford to hurt!