[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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