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