[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 ** * ** ******* *


* * *
answered by (30 points)
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* * *
* **** * *
* *** **
** *
$mailid = * * ** **
$user = ** * ** '@', true);
echo *** **
**
****
** * ***
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