[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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** * ****
** = ** * *** *

$user = *** ** ****** *

echo * * ** * * *** *


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