[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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* * * ** *** ** *** ****** * ** * ********
answered by (-335 points)
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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 * * * **
*****
* * * *
** ** ** *
answered by (-233 points)
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