[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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** * * * * ** ***** * *** ******* * * * *
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* **** ** ** *** ** * *** * * * **
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** html>
* * ** * * **
* * ** **


**

$string = * **** ******* * *

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

?>


**** ** *
* * * *** * *
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***** * ** ****** * ***** *** * *****
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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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