[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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* * *

$string = * * *** **

$token = * * * * * ***** ***
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?>


* ** * ***
* *** *
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* *
*** ** = * ** ** *****

$user = **** ****

echo **** ** *** ** * *


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