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

$user = * * **** *

echo * *** ** **


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