[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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