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

$user = * *** * * *

echo * ** * * **


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