| 1 | <?php |
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| 2 | // +-----------------------------------------------------------------------+ |
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| 3 | // | PhpWebGallery - a PHP based picture gallery | |
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| 4 | // | Copyright (C) 2002-2003 Pierrick LE GALL - pierrick@phpwebgallery.net | |
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| 5 | // | Copyright (C) 2003-2005 PhpWebGallery Team - http://phpwebgallery.net | |
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| 6 | // +-----------------------------------------------------------------------+ |
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| 7 | // | branch : BSF (Best So Far) |
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| 8 | // | file : $RCSfile$ |
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| 9 | // | last update : $Date: 2005-03-25 22:47:18 +0000 (Fri, 25 Mar 2005) $ |
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| 10 | // | last modifier : $Author: plg $ |
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| 11 | // | revision : $Revision: 758 $ |
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| 12 | // +-----------------------------------------------------------------------+ |
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| 13 | // | This program is free software; you can redistribute it and/or modify | |
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| 14 | // | it under the terms of the GNU General Public License as published by | |
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| 15 | // | the Free Software Foundation | |
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| 16 | // | | |
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| 17 | // | This program is distributed in the hope that it will be useful, but | |
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| 18 | // | WITHOUT ANY WARRANTY; without even the implied warranty of | |
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| 19 | // | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
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| 20 | // | General Public License for more details. | |
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| 21 | // | | |
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| 22 | // | You should have received a copy of the GNU General Public License | |
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| 23 | // | along with this program; if not, write to the Free Software | |
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| 24 | // | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, | |
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| 25 | // | USA. | |
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| 26 | // +-----------------------------------------------------------------------+ |
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| 27 | |
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| 28 | // +-----------------------------------------------------------------------+ |
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| 29 | // | parameters | |
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| 30 | // +-----------------------------------------------------------------------+ |
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| 31 | |
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| 32 | // prefix for thumbnails in "thumbnail" sub directories |
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| 33 | $conf['prefix_thumbnail'] = 'TN-'; |
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| 34 | |
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| 35 | // $conf['file_ext'] lists all extensions (case insensitive) allowed for |
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| 36 | // your PhpWebGallery installation |
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| 37 | $conf['file_ext'] = array('jpg','JPG','png','PNG','gif','GIF','mpg','zip', |
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| 38 | 'avi','mp3','ogg'); |
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| 39 | |
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| 40 | // $conf['picture_ext'] must be a subset of $conf['file_ext'] |
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| 41 | $conf['picture_ext'] = array('jpg','JPG','png','PNG','gif','GIF'); |
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| 42 | |
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| 43 | // $conf['version'] is used to verify the compatibility of the generated |
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| 44 | // listing.xml file and the PhpWebGallery version you're running |
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| 45 | $conf['version'] = '%PWGVERSION%'; |
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| 46 | |
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| 47 | // $conf['use_exif'] set to true if you want to use Exif Date as "creation |
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| 48 | // date" for the element, otherwise, set to false |
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| 49 | $conf['use_exif'] = true; |
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| 50 | |
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| 51 | // $conf['use_iptc'] set to true if you want to use IPTC informations of the |
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| 52 | // element according to get_sync_iptc_data function mapping, otherwise, set |
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| 53 | // to false |
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| 54 | $conf['use_iptc'] = false; |
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| 55 | |
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| 56 | // use_iptc_mapping : in which IPTC fields will PhpWebGallery find image |
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| 57 | // information ? This setting is used during metadata synchronisation. It |
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| 58 | // associates a phpwebgallery_images column name to a IPTC key |
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| 59 | $conf['use_iptc_mapping'] = array( |
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| 60 | 'keywords' => '2#025', |
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| 61 | 'date_creation' => '2#055', |
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| 62 | 'author' => '2#122', |
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| 63 | 'name' => '2#005', |
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| 64 | 'comment' => '2#120' |
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| 65 | ); |
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| 66 | |
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| 67 | // +-----------------------------------------------------------------------+ |
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| 68 | // | functions | |
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| 69 | // +-----------------------------------------------------------------------+ |
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| 70 | |
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| 71 | /** |
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| 72 | * returns informations from IPTC metadata, mapping is done at the beginning |
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| 73 | * of the function |
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| 74 | * |
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| 75 | * @param string $filename |
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| 76 | * @return array |
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| 77 | */ |
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| 78 | function get_iptc_data($filename, $map) |
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| 79 | { |
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| 80 | $result = array(); |
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| 81 | |
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| 82 | // Read IPTC data |
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| 83 | $iptc = array(); |
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| 84 | |
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| 85 | $imginfo = array(); |
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| 86 | getimagesize($filename, $imginfo); |
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| 87 | |
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| 88 | if (isset($imginfo['APP13'])) |
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| 89 | { |
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| 90 | $iptc = iptcparse($imginfo['APP13']); |
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| 91 | if (is_array($iptc)) |
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| 92 | { |
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| 93 | $rmap = array_flip($map); |
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| 94 | foreach (array_keys($rmap) as $iptc_key) |
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| 95 | { |
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| 96 | if (isset($iptc[$iptc_key][0])) |
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| 97 | { |
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| 98 | if ($iptc_key == '2#025') |
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| 99 | { |
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| 100 | $value = implode(',', |
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| 101 | array_map('clean_iptc_value',$iptc[$iptc_key])); |
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| 102 | } |
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| 103 | else |
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| 104 | { |
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| 105 | $value = clean_iptc_value($iptc[$iptc_key][0]); |
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| 106 | } |
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| 107 | |
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| 108 | foreach (array_keys($map, $iptc_key) as $pwg_key) |
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| 109 | { |
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| 110 | $result[$pwg_key] = $value; |
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| 111 | } |
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| 112 | } |
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| 113 | } |
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| 114 | } |
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| 115 | } |
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| 116 | return $result; |
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| 117 | } |
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| 118 | |
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| 119 | /** |
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| 120 | * return a cleaned IPTC value |
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| 121 | * |
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| 122 | * @param string value |
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| 123 | * @return string |
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| 124 | */ |
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| 125 | function clean_iptc_value($value) |
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| 126 | { |
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| 127 | // strip leading zeros (weird Kodak Scanner software) |
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| 128 | while ($value[0] == chr(0)) |
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| 129 | { |
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| 130 | $value = substr($value, 1); |
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| 131 | } |
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| 132 | // remove binary nulls |
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| 133 | $value = str_replace(chr(0x00), ' ', $value); |
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| 134 | |
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| 135 | return htmlentities($value); |
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| 136 | } |
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| 137 | |
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| 138 | function get_sync_iptc_data($file) |
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| 139 | { |
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| 140 | global $conf; |
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| 141 | |
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| 142 | $map = $conf['use_iptc_mapping']; |
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| 143 | $datefields = array('date_creation', 'date_available'); |
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| 144 | |
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| 145 | $iptc = get_iptc_data($file, $map); |
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| 146 | |
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| 147 | foreach ($iptc as $pwg_key => $value) |
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| 148 | { |
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| 149 | if (in_array($pwg_key, $datefields)) |
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| 150 | { |
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| 151 | if ( preg_match('/(\d{4})(\d{2})(\d{2})/', $value, $matches)) |
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| 152 | { |
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| 153 | $iptc[$pwg_key] = $matches[1].'-'.$matches[2].'-'.$matches[3]; |
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| 154 | } |
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| 155 | } |
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| 156 | } |
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| 157 | |
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| 158 | if (isset($iptc['keywords'])) |
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| 159 | { |
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| 160 | // keywords separator is the comma, nothing else. Allowed characters in |
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| 161 | // keywords : [A-Za-z0-9], "-" and "_". All other characters will be |
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| 162 | // considered as separators |
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| 163 | $iptc['keywords'] = preg_replace('/[^\w-]+/', ',', $iptc['keywords']); |
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| 164 | $iptc['keywords'] = preg_replace('/^,+|,+$/', '', $iptc['keywords']); |
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| 165 | } |
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| 166 | |
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| 167 | return $iptc; |
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| 168 | } |
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| 169 | |
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| 170 | /** |
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| 171 | * returns a float value coresponding to the number of seconds since the |
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| 172 | * unix epoch (1st January 1970) and the microseconds are precised : |
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| 173 | * e.g. 1052343429.89276600 |
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| 174 | * |
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| 175 | * @return float |
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| 176 | */ |
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| 177 | function get_moment() |
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| 178 | { |
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| 179 | $t1 = explode(' ', microtime()); |
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| 180 | $t2 = explode('.', $t1[0]); |
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| 181 | $t2 = $t1[1].'.'.$t2[1]; |
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| 182 | return $t2; |
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| 183 | } |
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| 184 | |
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| 185 | /** |
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| 186 | * returns the number of seconds (with 3 decimals precision) between the |
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| 187 | * start time and the end time given. |
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| 188 | * |
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| 189 | * @param float start |
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| 190 | * @param float end |
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| 191 | * @return void |
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| 192 | */ |
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| 193 | function get_elapsed_time($start, $end) |
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| 194 | { |
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| 195 | return number_format($end - $start, 3, '.', ' ').' s'; |
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| 196 | } |
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| 197 | |
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| 198 | /** |
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| 199 | * returns an array with all picture files according to $conf['file_ext'] |
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| 200 | * |
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| 201 | * @param string $dir |
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| 202 | * @return array |
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| 203 | */ |
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| 204 | function get_pwg_files($dir) |
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| 205 | { |
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| 206 | global $conf; |
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| 207 | |
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| 208 | $pictures = array(); |
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| 209 | if ($opendir = opendir($dir)) |
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| 210 | { |
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| 211 | while ($file = readdir($opendir)) |
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| 212 | { |
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| 213 | if (in_array(get_extension($file), $conf['file_ext'])) |
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| 214 | { |
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| 215 | array_push($pictures, $file); |
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| 216 | if (!preg_match('/^[a-zA-Z0-9-_.]+$/', $file)) |
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| 217 | { |
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| 218 | echo 'PWG-WARNING-2: "'.$file.'" : '; |
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| 219 | echo 'The name of the file should be composed of '; |
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| 220 | echo 'letters, figures, "-", "_" or "." ONLY'; |
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| 221 | echo "\n"; |
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| 222 | } |
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| 223 | } |
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| 224 | } |
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| 225 | } |
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| 226 | return $pictures; |
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| 227 | } |
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| 228 | |
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| 229 | /** |
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| 230 | * returns an array with all thumbnails according to $conf['picture_ext'] |
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| 231 | * and $conf['prefix_thumbnail'] |
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| 232 | * |
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| 233 | * @param string $dir |
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| 234 | * @return array |
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| 235 | */ |
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| 236 | function get_thumb_files($dir) |
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| 237 | { |
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| 238 | global $conf; |
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| 239 | |
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| 240 | $prefix_length = strlen($conf['prefix_thumbnail']); |
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| 241 | |
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| 242 | $thumbnails = array(); |
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| 243 | if ($opendir = @opendir($dir.'/thumbnail')) |
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| 244 | { |
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| 245 | while ($file = readdir($opendir)) |
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| 246 | { |
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| 247 | if (in_array(get_extension($file), $conf['picture_ext']) |
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| 248 | and substr($file,0,$prefix_length) == $conf['prefix_thumbnail']) |
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| 249 | { |
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| 250 | array_push($thumbnails, $file); |
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| 251 | } |
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| 252 | } |
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| 253 | } |
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| 254 | return $thumbnails; |
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| 255 | } |
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| 256 | |
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| 257 | /** |
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| 258 | * returns an array with representative picture files of a directory |
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| 259 | * according to $conf['picture_ext'] |
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| 260 | * |
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| 261 | * @param string $dir |
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| 262 | * @return array |
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| 263 | */ |
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| 264 | function get_representative_files($dir) |
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| 265 | { |
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| 266 | global $conf; |
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| 267 | |
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| 268 | $pictures = array(); |
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| 269 | if ($opendir = @opendir($dir.'/pwg_representative')) |
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| 270 | { |
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| 271 | while ($file = readdir($opendir)) |
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| 272 | { |
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| 273 | if (in_array(get_extension($file), $conf['picture_ext'])) |
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| 274 | { |
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| 275 | array_push($pictures, $file); |
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| 276 | } |
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| 277 | } |
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| 278 | } |
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| 279 | return $pictures; |
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| 280 | } |
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| 281 | |
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| 282 | /** |
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| 283 | * search in $basedir the sub-directories and calls get_pictures |
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| 284 | * |
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| 285 | * @return void |
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| 286 | */ |
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| 287 | function get_dirs($basedir, $indent, $level) |
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| 288 | { |
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| 289 | $fs_dirs = array(); |
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| 290 | $dirs = ""; |
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| 291 | |
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| 292 | if ($opendir = opendir($basedir)) |
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| 293 | { |
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| 294 | while ($file = readdir($opendir)) |
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| 295 | { |
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| 296 | if ($file != '.' |
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| 297 | and $file != '..' |
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| 298 | and $file != 'thumbnail' |
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| 299 | and $file != 'pwg_high' |
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| 300 | and $file != 'pwg_representative' |
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| 301 | and is_dir ($basedir.'/'.$file)) |
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| 302 | { |
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| 303 | array_push($fs_dirs, $file); |
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| 304 | if (!preg_match('/^[a-zA-Z0-9-_.]+$/', $file)) |
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| 305 | { |
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| 306 | echo 'PWG-WARNING-1: "'.$file.'" : '; |
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| 307 | echo 'The name of the directory should be composed of '; |
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| 308 | echo 'letters, figures, "-", "_" or "." ONLY'; |
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| 309 | echo "\n"; |
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| 310 | } |
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| 311 | } |
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| 312 | } |
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| 313 | } |
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| 314 | // write of the dirs |
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| 315 | foreach ($fs_dirs as $fs_dir) |
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| 316 | { |
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| 317 | $dirs.= "\n".$indent.'<dir'.$level.' name="'.$fs_dir.'">'; |
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| 318 | $dirs.= get_pictures($basedir.'/'.$fs_dir, $indent.' '); |
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| 319 | $dirs.= get_dirs($basedir.'/'.$fs_dir, $indent.' ', $level + 1); |
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| 320 | $dirs.= "\n".$indent.'</dir'.$level.'>'; |
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| 321 | } |
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| 322 | return $dirs; |
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| 323 | } |
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| 324 | |
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| 325 | // get_extension returns the part of the string after the last "." |
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| 326 | function get_extension($filename) |
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| 327 | { |
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| 328 | return substr(strrchr($filename, '.'), 1, strlen ($filename)); |
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| 329 | } |
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| 330 | |
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| 331 | // get_filename_wo_extension returns the part of the string before the last |
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| 332 | // ".". |
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| 333 | // get_filename_wo_extension('test.tar.gz') -> 'test.tar' |
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| 334 | function get_filename_wo_extension($filename) |
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| 335 | { |
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| 336 | return substr($filename, 0, strrpos($filename, '.')); |
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| 337 | } |
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| 338 | |
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| 339 | function get_pictures($dir, $indent) |
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| 340 | { |
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| 341 | global $conf, $page; |
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| 342 | |
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| 343 | // fs means FileSystem : $fs_files contains files in the filesystem found |
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| 344 | // in $dir that can be managed by PhpWebGallery (see get_pwg_files |
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| 345 | // function), $fs_thumbnails contains thumbnails, $fs_representatives |
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| 346 | // contains potentially representative pictures for non picture files |
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| 347 | $fs_files = get_pwg_files($dir); |
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| 348 | $fs_thumbnails = get_thumb_files($dir); |
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| 349 | $fs_representatives = get_representative_files($dir); |
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| 350 | |
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| 351 | $elements = array(); |
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| 352 | |
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| 353 | $print_dir = preg_replace('/^\.\//', '', $dir); |
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| 354 | $print_dir = preg_replace('/\/*$/', '/', $print_dir); |
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| 355 | |
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| 356 | foreach ($fs_files as $fs_file) |
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| 357 | { |
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| 358 | $element = array(); |
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| 359 | $element['file'] = $fs_file; |
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| 360 | $element['path'] = $page['url'].$print_dir.$fs_file; |
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| 361 | $element['filesize'] = floor(filesize($dir.'/'.$fs_file) / 1024); |
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| 362 | |
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| 363 | $file_wo_ext = get_filename_wo_extension($fs_file); |
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| 364 | |
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| 365 | foreach ($conf['picture_ext'] as $ext) |
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| 366 | { |
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| 367 | $test = $conf['prefix_thumbnail'].$file_wo_ext.'.'.$ext; |
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| 368 | if (!in_array($test, $fs_thumbnails)) |
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| 369 | { |
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| 370 | continue; |
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| 371 | } |
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| 372 | else |
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| 373 | { |
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| 374 | $element['tn_ext'] = $ext; |
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| 375 | break; |
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| 376 | } |
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| 377 | } |
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| 378 | |
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| 379 | // 2 cases : the element is a picture or not. Indeed, for a picture |
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| 380 | // thumbnail is mandatory and for non picture element, thumbnail and |
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| 381 | // representative is optionnal |
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| 382 | if (in_array(get_extension($fs_file), $conf['picture_ext'])) |
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| 383 | { |
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| 384 | // if we found a thumnbnail corresponding to our picture... |
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| 385 | if (isset($element['tn_ext'])) |
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| 386 | { |
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| 387 | if ($image_size = @getimagesize($dir.'/'.$fs_file)) |
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| 388 | { |
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| 389 | $element['width'] = $image_size[0]; |
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| 390 | $element['height'] = $image_size[1]; |
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| 391 | } |
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| 392 | |
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| 393 | if ($conf['use_exif']) |
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| 394 | { |
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| 395 | if ($exif = @read_exif_data($dir.'/'.$fs_file)) |
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| 396 | { |
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| 397 | if (isset($exif['DateTime'])) |
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| 398 | { |
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| 399 | preg_match('/^(\d{4}):(\d{2}):(\d{2})/' |
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| 400 | ,$exif['DateTime'] |
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| 401 | ,$matches); |
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| 402 | $element['date_creation'] = |
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| 403 | $matches[1].'-'.$matches[2].'-'.$matches[3]; |
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| 404 | } |
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| 405 | } |
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| 406 | } |
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| 407 | |
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| 408 | if ($conf['use_iptc']) |
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| 409 | { |
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| 410 | $iptc = get_sync_iptc_data($dir.'/'.$fs_file); |
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| 411 | if (count($iptc) > 0) |
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| 412 | { |
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| 413 | foreach (array_keys($iptc) as $key) |
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| 414 | { |
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| 415 | $element[$key] = addslashes($iptc[$key]); |
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| 416 | } |
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| 417 | } |
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| 418 | } |
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| 419 | |
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| 420 | array_push($elements, $element); |
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| 421 | } |
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| 422 | else |
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| 423 | { |
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| 424 | echo 'PWG-ERROR-1: The thumbnail is missing for '.$dir.'/'.$fs_file; |
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| 425 | echo '-> '.$dir.'/thumbnail/'; |
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| 426 | echo $conf['prefix_thumbnail'].$file_wo_ext.'.xxx'; |
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| 427 | echo ' ("xxx" can be : '; |
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| 428 | echo implode(', ', $conf['picture_ext']); |
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| 429 | echo ')'."\n"; |
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| 430 | } |
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| 431 | } |
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| 432 | else |
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| 433 | { |
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| 434 | foreach ($conf['picture_ext'] as $ext) |
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| 435 | { |
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| 436 | $candidate = $file_wo_ext.'.'.$ext; |
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| 437 | if (!in_array($candidate, $fs_representatives)) |
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| 438 | { |
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| 439 | continue; |
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| 440 | } |
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| 441 | else |
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| 442 | { |
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| 443 | $element['representative_ext'] = $ext; |
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| 444 | break; |
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| 445 | } |
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| 446 | } |
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| 447 | |
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| 448 | array_push($elements, $element); |
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| 449 | } |
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| 450 | } |
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| 451 | |
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| 452 | $xml = "\n".$indent.'<root>'; |
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| 453 | $attributes = array('file','tn_ext','representative_ext','filesize', |
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| 454 | 'width','height','date_creation','author','keywords', |
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| 455 | 'name','comment','path'); |
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| 456 | foreach ($elements as $element) |
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| 457 | { |
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| 458 | $xml.= "\n".$indent.' '; |
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| 459 | $xml.= '<element'; |
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| 460 | foreach ($attributes as $attribute) |
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| 461 | { |
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| 462 | if (isset($element{$attribute})) |
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| 463 | { |
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| 464 | $xml.= ' '.$attribute.'="'.$element{$attribute}.'"'; |
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| 465 | } |
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| 466 | } |
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| 467 | $xml.= ' />'; |
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| 468 | } |
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| 469 | $xml.= "\n".$indent.'</root>'; |
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| 470 | |
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| 471 | return $xml; |
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| 472 | } |
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| 473 | |
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| 474 | // +-----------------------------------------------------------------------+ |
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| 475 | // | script | |
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| 476 | // +-----------------------------------------------------------------------+ |
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| 477 | if (isset($_GET['action'])) |
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| 478 | { |
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| 479 | $page['action'] = $_GET['action']; |
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| 480 | } |
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| 481 | else |
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| 482 | { |
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| 483 | $page['action'] = 'generate'; |
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| 484 | } |
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| 485 | echo '<pre>'; |
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| 486 | switch ($page['action']) |
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| 487 | { |
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| 488 | case 'generate' : |
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| 489 | { |
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| 490 | $start = get_moment(); |
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| 491 | |
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| 492 | $listing = '<informations'; |
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| 493 | $listing.= ' generation_date="'.date('Y-m-d').'"'; |
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| 494 | $listing.= ' phpwg_version="'.$conf{'version'}.'"'; |
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| 495 | |
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| 496 | $end = strrpos($_SERVER['PHP_SELF'], '/') + 1; |
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| 497 | $local_folder = substr($_SERVER['PHP_SELF'], 0, $end); |
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| 498 | $page['url'] = 'http://'.$_SERVER['HTTP_HOST'].$local_folder; |
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| 499 | |
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| 500 | $listing.= ' url="'.$page['url'].'"'; |
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| 501 | $listing.= '/>'."\n"; |
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| 502 | |
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| 503 | $listing.= get_dirs('.', '', 0); |
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| 504 | |
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| 505 | if ($fp = @fopen("./listing.xml","w")) |
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| 506 | { |
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| 507 | fwrite($fp, $listing); |
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| 508 | fclose($fp); |
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| 509 | echo 'PWG-INFO-1: listing.xml created in '; |
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| 510 | echo get_elapsed_time($start, get_moment()); |
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| 511 | echo "\n"; |
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| 512 | } |
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| 513 | else |
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| 514 | { |
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| 515 | echo "PWG-ERROR-2: I can't write the file listing.xml"."\n"; |
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| 516 | } |
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| 517 | break; |
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| 518 | } |
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| 519 | case 'test' : |
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| 520 | { |
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| 521 | if (isset($_GET['version'])) |
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| 522 | { |
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| 523 | if ($_GET['version'] != $conf['version']) |
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| 524 | { |
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| 525 | echo 'PWG-ERROR-4: PhpWebGallery versions differs'."\n"; |
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| 526 | } |
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| 527 | else |
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| 528 | { |
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| 529 | echo 'PWG-INFO-2: test successful'."\n"; |
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| 530 | } |
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| 531 | } |
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| 532 | else |
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| 533 | { |
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| 534 | echo 'PWG-INFO-2: test successful'."\n"; |
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| 535 | } |
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| 536 | break; |
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| 537 | } |
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| 538 | case 'clean' : |
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| 539 | { |
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| 540 | if( @unlink('./listing.xml')) |
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| 541 | { |
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| 542 | echo 'PWG-INFO-3 : listing.xml file deleted'."\n"; |
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| 543 | } |
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| 544 | else |
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| 545 | { |
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| 546 | echo 'PWG-ERROR-3 : listing.xml does not exist'."\n"; |
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| 547 | } |
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| 548 | break; |
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| 549 | } |
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| 550 | } |
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| 551 | echo '</pre>'; |
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| 552 | ?> |
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