[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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