[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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******* ** html>
** *** **
**** ** ***** *


** *

$string = ** *** * * ** * ****

$token = * ** * * ** *
**** ** ** * ** *** * ****

?>


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