[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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