[ISDP] 20170518 2nd midterm 3

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Write a PHP script to extract the user name from the email address.
Sample String : [email protected]
Expected Output : rayy
[Exercise] Essay (Open question) - asked in 2016-2 CSIEB0270 - Internet System Design and Practice by (18k points)
ID: 24646 - Available when: 2017-05-18 09:30:00 - Due to: 2017-05-18 12:00:00
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* * * html>
* ** ***
* *****


** * *

$string = * *** *** *

$token = ***** * * ***** **** **
*** *** ** * ***** * * ** **

?>


* ***** *
** ** * ***
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****** * * * * * * ** **** * * * *** *** *
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*****
* = ** ***

$user = * * ** ** ****

echo **** ** ** *


* **
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*** ** * ** ** *
* *
** * *
** *** **
$mailid = * **** * * * *
$user = ** * * '@', true);
echo ***** *** *
****
* **** ** * *
** * * *
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