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Code Issues Releases Wiki Activity

file_size_decode() moved from upload to file handler

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secretr
2010-02-09 15:24:55 +00:00
parent ab26b37476
commit 0ef179fe57
2 changed files with 63 additions and 44 deletions
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59
e107_handlers/file_class.php
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@@ -9,8 +9,8 @@
*
*
* $Source: /cvs_backup/e107_0.8/e107_handlers/file_class.php,v $
* $Revision: 1.10 $
* $Date: 2010-02-05 11:13:38 $
* $Revision: 1.11 $
* $Date: 2010-02-09 15:24:55 $
* $Author: secretr $
*/
@@ -298,5 +298,60 @@ class e_file
}
return false;
}
/**
* Parse a file size string (e.g. 16M) and compute the simple numeric value.
*
* @param string $source - input string which may include 'multiplier' characters such as 'M' or 'G'. Converted to 'decoded value'
* @param int $compare - a 'compare' value
* @param string $action - values (gt|lt)
*
* @return int file size value.
* If the decoded value evaluates to zero, returns the value of $compare
* If $action == 'gt', return the larger of the decoded value and $compare
* If $action == 'lt', return the smaller of the decoded value and $compare
*/
function file_size_decode($source, $compare = 0, $action = '')
{
$source = trim($source);
if (strtolower(substr($source, -1, 1)) == 'b')
$source = substr($source, 0, -1); // Trim a trailing byte indicator
$mult = 1;
if (strlen($source) && (strtoupper(substr($source, -1, 1)) == 'B'))
$source = substr($source, 0, -1);
if (!$source || is_numeric($source))
{
$val = $source;
}
else
{
$val = substr($source, 0, -1);
switch (substr($source, -1, 1))
{
case 'T':
$val = $val * 1024;
case 'G':
$val = $val * 1024;
case 'M':
$val = $val * 1024;
case 'K':
case 'k':
$val = $val * 1024;
break;
}
}
if ($val == 0)
return $compare;
switch ($action)
{
case 'lt':
return min($val, $compare);
case 'gt':
return max($val, $compare);
default:
return $val;
}
return 0;
}
}