1 | <?php |
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2 | |||
3 | /** |
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4 | * @copyright 2014 Mautic Contributors. All rights reserved |
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5 | * @author Mautic |
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6 | * |
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7 | * @see http://mautic.org |
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8 | * |
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9 | * @license GNU/GPLv3 http://www.gnu.org/licenses/gpl-3.0.html |
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10 | */ |
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11 | |||
12 | namespace Mautic\CoreBundle\Helper; |
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13 | |||
14 | class FileHelper |
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15 | { |
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16 | const BYTES_TO_MEGABYTES_RATIO = 1048576; |
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17 | |||
18 | public static function convertBytesToMegabytes($b) |
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19 | { |
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20 | return round($b / self::BYTES_TO_MEGABYTES_RATIO, 2); |
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21 | } |
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22 | |||
23 | public static function convertMegabytesToBytes($mb) |
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24 | { |
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25 | return $mb * self::BYTES_TO_MEGABYTES_RATIO; |
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26 | } |
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27 | |||
28 | public static function getMaxUploadSizeInBytes() |
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29 | { |
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30 | $maxPostSize = self::convertPHPSizeToBytes(ini_get('post_max_size')); |
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31 | $maxUploadSize = self::convertPHPSizeToBytes(ini_get('upload_max_filesize')); |
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32 | $memoryLimit = self::convertPHPSizeToBytes(ini_get('memory_limit')); |
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33 | |||
34 | return min($maxPostSize, $maxUploadSize, $memoryLimit); |
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35 | } |
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36 | |||
37 | public static function getMaxUploadSizeInMegabytes() |
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38 | { |
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39 | $maxUploadSizeInBytes = self::getMaxUploadSizeInBytes(); |
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40 | |||
41 | return self::convertBytesToMegabytes($maxUploadSizeInBytes); |
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42 | } |
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43 | |||
44 | /** |
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45 | * @param string $sSize |
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46 | * |
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47 | * @return int |
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48 | */ |
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49 | public static function convertPHPSizeToBytes($sSize) |
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50 | { |
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51 | $sSize = trim($sSize); |
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52 | |||
53 | if (is_numeric($sSize)) { |
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54 | return (int) $sSize; |
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55 | } |
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56 | |||
57 | $sSuffix = substr($sSize, -1); |
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58 | $iValue = substr($sSize, 0, -1); |
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59 | |||
60 | //missing breaks are important |
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61 | switch (strtoupper($sSuffix)) { |
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62 | case 'P': |
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63 | $iValue *= 1024; |
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64 | // no break |
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65 | case 'T': |
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66 | $iValue *= 1024; |
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67 | // no break |
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68 | case 'G': |
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69 | $iValue *= 1024; |
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70 | // no break |
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71 | case 'M': |
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72 | $iValue *= 1024; |
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73 | // no break |
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74 | case 'K': |
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75 | $iValue *= 1024; |
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76 | break; |
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77 | } |
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78 | |||
79 | return $iValue; |
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80 | } |
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81 | } |
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82 |