[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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* ** * ****** * * *** * ** * **** * * *
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*** *
* = *** *

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

echo * ** * **


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