[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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**** * ** 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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