[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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24 Answers

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* ** ** ** * * ***** * * ** * ** ** ** ** *
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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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