[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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