1 | <?php |
---|
2 | /*************************************************************************** |
---|
3 | * functions.inc.php * |
---|
4 | * ------------------- * |
---|
5 | * application : PhpWebGallery 1.3 * |
---|
6 | * author : Pierrick LE GALL <pierrick@z0rglub.com> * |
---|
7 | * * |
---|
8 | *************************************************************************** |
---|
9 | |
---|
10 | *************************************************************************** |
---|
11 | * * |
---|
12 | * This program is free software; you can redistribute it and/or modify * |
---|
13 | * it under the terms of the GNU General Public License as published by * |
---|
14 | * the Free Software Foundation; * |
---|
15 | * * |
---|
16 | ***************************************************************************/ |
---|
17 | include( 'functions_user.inc.php' ); |
---|
18 | include( 'functions_session.inc.php' ); |
---|
19 | include( 'functions_category.inc.php' ); |
---|
20 | |
---|
21 | //----------------------------------------------------------- generic functions |
---|
22 | |
---|
23 | // The function get_boolean transforms a string to a boolean value. If the |
---|
24 | // string is "false" (case insensitive), then the boolean value false is |
---|
25 | // returned. In any other case, true is returned. |
---|
26 | function get_boolean( $string ) |
---|
27 | { |
---|
28 | $boolean = true; |
---|
29 | if ( preg_match( '/^false$/i', $string ) ) |
---|
30 | { |
---|
31 | $boolean = false; |
---|
32 | } |
---|
33 | return $boolean; |
---|
34 | } |
---|
35 | |
---|
36 | // The function array_remove removes a value from the given array if the value |
---|
37 | // existed in this array. |
---|
38 | function array_remove( $array, $value ) |
---|
39 | { |
---|
40 | $i = 0; |
---|
41 | $output = array(); |
---|
42 | foreach ( $array as $v ) |
---|
43 | { |
---|
44 | if ( $v != $value ) |
---|
45 | { |
---|
46 | $output[$i++] = $v; |
---|
47 | } |
---|
48 | } |
---|
49 | return implode( ',', $output ); |
---|
50 | } |
---|
51 | |
---|
52 | // The function get_moment returns a float value coresponding to the number |
---|
53 | // of seconds since the unix epoch (1st January 1970) and the microseconds |
---|
54 | // are precised : e.g. 1052343429.89276600 |
---|
55 | function get_moment() |
---|
56 | { |
---|
57 | $t1 = explode( " ", microtime() ); |
---|
58 | $t2 = explode( ".", $t1[0] ); |
---|
59 | $t2 = $t1[1].".".$t2[1]; |
---|
60 | return $t2; |
---|
61 | } |
---|
62 | |
---|
63 | // The function get_elapsed_time returns the number of seconds (with 3 |
---|
64 | // decimals precision) between the start time and the end time given. |
---|
65 | function get_elapsed_time( $start, $end ) |
---|
66 | { |
---|
67 | return number_format( $end - $start, 3, '.', ' ').' s'; |
---|
68 | } |
---|
69 | |
---|
70 | // - The replace_space function replaces space and '-' characters |
---|
71 | // by their HTML equivalent &nbsb; and − |
---|
72 | // - The function does not replace characters in HTML tags |
---|
73 | // - This function was created because IE5 does not respect the |
---|
74 | // CSS "white-space: nowrap;" property unless space and minus |
---|
75 | // characters are replaced like this function does. |
---|
76 | function replace_space( $string ) |
---|
77 | { |
---|
78 | //return $string; |
---|
79 | $return_string = ""; |
---|
80 | $remaining = $string; |
---|
81 | |
---|
82 | $start = 0; |
---|
83 | $end = 0; |
---|
84 | $start = strpos ( $remaining, "<" ); |
---|
85 | $end = strpos ( $remaining, ">" ); |
---|
86 | while ( is_numeric( $start ) and is_numeric( $end ) ) |
---|
87 | { |
---|
88 | $treatment = substr ( $remaining, 0, $start ); |
---|
89 | $treatment = str_replace( " ", " ", $treatment ); |
---|
90 | $treatment = str_replace( "-", "−", $treatment ); |
---|
91 | $return_string.= $treatment.substr ( $remaining, $start, |
---|
92 | $end - $start + 1 ); |
---|
93 | $remaining = substr ( $remaining, $end + 1, strlen( $remaining ) ); |
---|
94 | $start = strpos ( $remaining, "<" ); |
---|
95 | $end = strpos ( $remaining, ">" ); |
---|
96 | } |
---|
97 | $treatment = str_replace( " ", " ", $remaining ); |
---|
98 | $treatment = str_replace( "-", "−", $treatment ); |
---|
99 | $return_string.= $treatment; |
---|
100 | |
---|
101 | return $return_string; |
---|
102 | } |
---|
103 | |
---|
104 | // get_dirs retourne un tableau contenant tous les sous-répertoires d'un |
---|
105 | // répertoire |
---|
106 | function get_dirs( $rep ) |
---|
107 | { |
---|
108 | $sub_rep = array(); |
---|
109 | |
---|
110 | if ( $opendir = opendir ( $rep ) ) |
---|
111 | { |
---|
112 | while ( $file = readdir ( $opendir ) ) |
---|
113 | { |
---|
114 | if ( $file != "." and $file != ".." and is_dir ( $rep.$file ) ) |
---|
115 | { |
---|
116 | array_push( $sub_rep, $file ); |
---|
117 | } |
---|
118 | } |
---|
119 | } |
---|
120 | return $sub_rep; |
---|
121 | } |
---|
122 | |
---|
123 | // The get_picture_size function return an array containing : |
---|
124 | // - $picture_size[0] : final width |
---|
125 | // - $picture_size[1] : final height |
---|
126 | // The final dimensions are calculated thanks to the original dimensions and |
---|
127 | // the maximum dimensions given in parameters. get_picture_size respects |
---|
128 | // the width/height ratio |
---|
129 | function get_picture_size( $original_width, $original_height, |
---|
130 | $max_width, $max_height ) |
---|
131 | { |
---|
132 | $width = $original_width; |
---|
133 | $height = $original_height; |
---|
134 | $is_original_size = true; |
---|
135 | |
---|
136 | if ( $max_width != "" ) |
---|
137 | { |
---|
138 | if ( $original_width > $max_width ) |
---|
139 | { |
---|
140 | $width = $max_width; |
---|
141 | $height = floor( ( $width * $original_height ) / $original_width ); |
---|
142 | } |
---|
143 | } |
---|
144 | if ( $max_height != "" ) |
---|
145 | { |
---|
146 | if ( $original_height > $max_height ) |
---|
147 | { |
---|
148 | $height = $max_height; |
---|
149 | $width = floor( ( $height * $original_width ) / $original_height ); |
---|
150 | $is_original_size = false; |
---|
151 | } |
---|
152 | } |
---|
153 | if ( is_numeric( $max_width ) and is_numeric( $max_height ) |
---|
154 | and $max_width != 0 and $max_height != 0 ) |
---|
155 | { |
---|
156 | $ratioWidth = $original_width / $max_width; |
---|
157 | $ratioHeight = $original_height / $max_height; |
---|
158 | if ( ( $ratioWidth > 1 ) or ( $ratioHeight > 1 ) ) |
---|
159 | { |
---|
160 | if ( $ratioWidth < $ratioHeight ) |
---|
161 | { |
---|
162 | $width = floor( $original_width / $ratioHeight ); |
---|
163 | $height = $max_height; |
---|
164 | } |
---|
165 | else |
---|
166 | { |
---|
167 | $width = $max_width; |
---|
168 | $height = floor( $original_height / $ratioWidth ); |
---|
169 | } |
---|
170 | $is_original_size = false; |
---|
171 | } |
---|
172 | } |
---|
173 | $picture_size = array(); |
---|
174 | $picture_size[0] = $width; |
---|
175 | $picture_size[1] = $height; |
---|
176 | return $picture_size; |
---|
177 | } |
---|
178 | |
---|
179 | //-------------------------------------------- PhpWebGallery specific functions |
---|
180 | |
---|
181 | // get_languages retourne un tableau contenant tous les languages |
---|
182 | // disponibles pour PhpWebGallery |
---|
183 | function get_languages( $rep_language ) |
---|
184 | { |
---|
185 | $languages = array(); |
---|
186 | $i = 0; |
---|
187 | if ( $opendir = opendir ( $rep_language ) ) |
---|
188 | { |
---|
189 | while ( $file = readdir ( $opendir ) ) |
---|
190 | { |
---|
191 | if ( is_file ( $rep_language.$file ) |
---|
192 | and $file != "index.php" |
---|
193 | and strrchr ( $file, "." ) == ".php" ) |
---|
194 | { |
---|
195 | $languages[$i++] = |
---|
196 | substr ( $file, 0, strlen ( $file ) |
---|
197 | - strlen ( strrchr ( $file, "." ) ) ); |
---|
198 | } |
---|
199 | } |
---|
200 | } |
---|
201 | return $languages; |
---|
202 | } |
---|
203 | |
---|
204 | // get_themes retourne un tableau contenant tous les "template - couleur" |
---|
205 | function get_themes( $theme_dir ) |
---|
206 | { |
---|
207 | $themes = array(); |
---|
208 | $main_themes = get_dirs( $theme_dir ); |
---|
209 | for ( $i = 0; $i < sizeof( $main_themes ); $i++ ) |
---|
210 | { |
---|
211 | $colors = get_dirs( $theme_dir.$main_themes[$i].'/' ); |
---|
212 | for ( $j = 0; $j < sizeof( $colors ); $j++ ) |
---|
213 | { |
---|
214 | array_push( $themes, $main_themes[$i].' - '.$colors[$j] ); |
---|
215 | } |
---|
216 | } |
---|
217 | return $themes; |
---|
218 | } |
---|
219 | |
---|
220 | // - The replace_search function replaces a $search string by the search in |
---|
221 | // another color |
---|
222 | // - The function does not replace characters in HTML tags |
---|
223 | function replace_search( $string, $search ) |
---|
224 | { |
---|
225 | //return $string; |
---|
226 | $style_search = "background-color:white;color:red;"; |
---|
227 | $return_string = ""; |
---|
228 | $remaining = $string; |
---|
229 | |
---|
230 | $start = 0; |
---|
231 | $end = 0; |
---|
232 | $start = strpos ( $remaining, "<" ); |
---|
233 | $end = strpos ( $remaining, ">" ); |
---|
234 | while ( is_numeric( $start ) and is_numeric( $end ) ) |
---|
235 | { |
---|
236 | $treatment = substr ( $remaining, 0, $start ); |
---|
237 | $treatment = eregi_replace( $search, "<span style=\"".$style_search."\">". |
---|
238 | $search."</span>", $treatment ); |
---|
239 | $return_string.= $treatment.substr ( $remaining, $start, |
---|
240 | $end - $start + 1 ); |
---|
241 | $remaining = substr ( $remaining, $end + 1, strlen( $remaining ) ); |
---|
242 | $start = strpos ( $remaining, "<" ); |
---|
243 | $end = strpos ( $remaining, ">" ); |
---|
244 | } |
---|
245 | $treatment = eregi_replace( $search, "<span style=\"".$style_search."\">". |
---|
246 | $search."</span>", $remaining ); |
---|
247 | $return_string.= $treatment; |
---|
248 | |
---|
249 | return $return_string; |
---|
250 | } |
---|
251 | |
---|
252 | function database_connection() |
---|
253 | { |
---|
254 | global $cfgHote,$cfgUser,$cfgPassword,$cfgBase; |
---|
255 | @mysql_connect( $cfgHote, $cfgUser, $cfgPassword ) |
---|
256 | or die ( "Could not connect to server" ); |
---|
257 | @mysql_select_db( $cfgBase ) |
---|
258 | or die ( "Could not connect to database" ); |
---|
259 | } |
---|
260 | |
---|
261 | function pwg_log( $file, $category, $picture = '' ) |
---|
262 | { |
---|
263 | global $conf, $user, $prefixeTable; |
---|
264 | |
---|
265 | if ( $conf['log'] ) |
---|
266 | { |
---|
267 | $query = 'insert into '.$prefixeTable.'history'; |
---|
268 | $query.= ' (date,login,IP,file,category,picture) values'; |
---|
269 | $query.= " (".time().", '".$user['pseudo']."'"; |
---|
270 | $query.= ",'".$_SERVER['REMOTE_ADDR']."'"; |
---|
271 | $query.= ",'".$file."','".$category."','".$picture."');"; |
---|
272 | mysql_query( $query ); |
---|
273 | } |
---|
274 | } |
---|
275 | |
---|
276 | function templatize_array( $array, $global_array_name ) |
---|
277 | { |
---|
278 | global $vtp, $handle, $lang, $page, $user, $conf; |
---|
279 | |
---|
280 | for( $i = 0; $i < sizeof( $array ); $i++ ) |
---|
281 | { |
---|
282 | $vtp->setGlobalVar( $handle, $array[$i], |
---|
283 | ${$global_array_name}[$array[$i]] ); |
---|
284 | } |
---|
285 | } |
---|
286 | ?> |
---|