[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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answered by (18 points)
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* ** *** ** **** *** * ** * *** ** **
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*** * * * * * * * *** ** * * ** **
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* * **** **** *** * **** ** **** * *** *
answered by (72 points)
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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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