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

$user = * ** * ** **

echo *** * ** * *


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