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Match $var in text file ?

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  #1  
Old July 1st, 2009, 01:06 PM
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Post Match $var in text file ?
Good day to you all,
stupid as it sound, all the thing that I have tried to match a variable into a text file and execute according to it result.


PHP Code:
 $active = "user_list.txt";
$pos = strpos($active, $_SESSION['username']);
if ($pos === false) {
echo "<b id=\"userinfo\"><img src=\"enligne.png\" valign=\"bottom\" width=\"13px\"/></b>";
} else {
echo "<b id=\"userinfo\"><img src=\"horsligne.png\" valign=\"bottom\" width=\"13px\"/></b>";
} 


Thanks !
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  #2  
Old July 1st, 2009, 01:07 PM
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You need to get the text file's contents first using file_get_contents or fopen.

Assuming the usernames are delimited, you should explode the contents and use in_array() instead of strpos.
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Old July 1st, 2009, 01:22 PM
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Thanks, I knew it was a stupid thing I was not seeing cause of the level of sleep I had last night !
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Old July 1st, 2009, 03:02 PM
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can I delete it too ?
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Old July 1st, 2009, 03:06 PM
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Delete the specific username or the entire file? You can do both.

Delete file: unlink()
Delete username from file: unset it from the array, implode the array, and file_put_contents() or fwrite().
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