[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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* * * * 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 * **** * ** * ** *


* * *
answered by (30 points)
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* **** * **
* *** **
* *** ***
** *
$mailid = ** * * *
$user = **** **** '@', true);
echo ** * * * *
**
**** * * *
** ** *
answered by (-233 points)
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