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

$user = **** ** *

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


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