1 | <?php |
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2 | // +----------------------------------------------------------------------+ |
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3 | // | PHP Version 4 | |
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4 | // +----------------------------------------------------------------------+ |
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5 | // | Copyright (c) 1997-2004 The PHP Group | |
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6 | // +----------------------------------------------------------------------+ |
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7 | // | This source file is subject to version 3.0 of the PHP license, | |
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8 | // | that is bundled with this package in the file LICENSE, and is | |
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9 | // | available at through the world-wide-web at | |
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10 | // | http://www.php.net/license/3_0.txt. | |
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11 | // | If you did not receive a copy of the PHP license and are unable to | |
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12 | // | obtain it through the world-wide-web, please send a note to | |
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13 | // | license@php.net so we can mail you a copy immediately. | |
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14 | // +----------------------------------------------------------------------+ |
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15 | // | Authors: Ian Eure <ieure@php.net> | |
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16 | // +----------------------------------------------------------------------+ |
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17 | // |
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18 | // $Id: mime_content_type.php,v 1.3 2005/12/07 21:08:57 aidan Exp $ |
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19 | |
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20 | |
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21 | /** |
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22 | * Replace mime_content_type() |
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23 | * |
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24 | * You will need the `file` command installed and present in your $PATH. If |
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25 | * `file` is not available, the type 'application/octet-stream' is returned |
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26 | * for all files. |
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27 | * |
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28 | * @category PHP |
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29 | * @package PHP_Compat |
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30 | * @link http://php.net/function.mime_content_type |
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31 | * @version $Revision: 1.3 $ |
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32 | * @author Ian Eure <ieure@php.net> |
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33 | * @since PHP 4.3.0 |
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34 | * @require PHP 4.0.3 (escapeshellarg) |
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35 | */ |
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36 | if (!function_exists('mime_content_type')) { |
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37 | function mime_content_type($filename) |
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38 | { |
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39 | // Sanity check |
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40 | if (!file_exists($filename)) { |
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41 | return false; |
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42 | } |
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43 | |
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44 | $filename = escapeshellarg($filename); |
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45 | $out = `file -iL $filename 2>/dev/null`; |
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46 | if (empty($out)) { |
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47 | return 'application/octet-stream'; |
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48 | } |
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49 | |
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50 | // Strip off filename |
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51 | $t = substr($out, strpos($out, ':') + 2); |
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52 | |
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53 | if (strpos($t, ';') !== false) { |
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54 | // Strip MIME parameters |
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55 | $t = substr($t, 0, strpos($t, ';')); |
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56 | } |
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57 | |
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58 | // Strip any remaining whitespace |
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59 | return trim($t); |
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60 | } |
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61 | } |
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62 | |
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63 | ?> |
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