Commit | Line | Data |
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0337d704 | 1 | <?php |
2 | /*************************************************************************** | |
2ab75571 | 3 | * Copyright (C) 2003-2010 Polytechnique.org * |
0337d704 | 4 | * http://opensource.polytechnique.org/ * |
5 | * * | |
6 | * This program is free software; you can redistribute it and/or modify * | |
7 | * it under the terms of the GNU General Public License as published by * | |
8 | * the Free Software Foundation; either version 2 of the License, or * | |
9 | * (at your option) any later version. * | |
10 | * * | |
11 | * This program is distributed in the hope that it will be useful, * | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * | |
14 | * GNU General Public License for more details. * | |
15 | * * | |
16 | * You should have received a copy of the GNU General Public License * | |
17 | * along with this program; if not, write to the Free Software * | |
18 | * Foundation, Inc., * | |
19 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * | |
20 | ***************************************************************************/ | |
21 | ||
9e394323 R |
22 | // Use native function if it's available (>= PHP5.3) |
23 | if (!function_exists('quoted_printable_encode')) { | |
24 | function quoted_printable_encode($input, $line_max = 76) | |
25 | { | |
26 | $lines = preg_split("/(?:\r\n|\r|\n)/", $input); | |
27 | $eol = "\n"; | |
28 | $linebreak = "=0D=0A=\n "; | |
29 | $escape = "="; | |
30 | $output = ""; | |
0337d704 | 31 | |
9e394323 R |
32 | foreach ($lines as $j => $line) { |
33 | $linlen = strlen($line); | |
34 | $newline = ""; | |
35 | for($i = 0; $i < $linlen; $i++) { | |
36 | $c = $line{$i}; | |
37 | $dec = ord($c); | |
38 | if ( ($dec == 32) && ($i == ($linlen - 1)) ) { | |
39 | // convert space at eol only | |
40 | $c = "=20"; | |
41 | } elseif ( ($dec == 61) || ($dec < 32 ) || ($dec > 126) ) { | |
42 | // always encode "\t", which is *not* required | |
43 | $c = $escape.strtoupper(sprintf("%02x",$dec)); | |
44 | } | |
45 | if ( (strlen($newline) + strlen($c)) >= $line_max ) { // CRLF is not counted | |
46 | $output .= $newline.$escape.$eol; | |
47 | $newline = " "; | |
48 | } | |
49 | $newline .= $c; | |
50 | } // end of for | |
51 | $output .= $newline; | |
52 | if ($j<count($lines)-1) $output .= $linebreak; | |
53 | } | |
54 | return trim($output); | |
0337d704 | 55 | } |
0337d704 | 56 | } |
57 | ||
d0631eab | 58 | /** genere une chaine aleatoire de 22 caracteres ou moins |
59 | * @param $len longueur souhaitée, 22 par défaut | |
60 | * @return la chaine aleatoire qui contient les caractères [A-Za-z0-9+/] | |
61 | */ | |
62 | function rand_token($len = 22) | |
63 | { | |
64 | $len = max(2, $len); | |
65 | $len = min(50, $len); | |
66 | $fp = fopen('/dev/urandom', 'r'); | |
67 | // $len * 2 is certainly an overkill, | |
68 | // but HEY, reading 40 bytes from /dev/urandom is not that slow ! | |
69 | $token = fread($fp, $len * 2); | |
70 | fclose($fp); | |
71 | $token = base64_encode($token); | |
72 | $token = preg_replace("![Il10O+/]!", "", $token); | |
73 | $token = substr($token,0,$len); | |
74 | return $token; | |
75 | } | |
76 | ||
77 | /** genere une chaine aleatoire convenable pour une url | |
78 | * @param $len longueur souhaitée, 22 par défaut | |
eaf30d86 | 79 | * @return la chaine aleatoire |
d0631eab | 80 | */ |
81 | function rand_url_id($len = 22) | |
82 | { | |
83 | return rand_token($len); | |
84 | } | |
85 | ||
86 | ||
87 | /** genere une chaine aleatoire convenable pour un mot de passe | |
88 | * @return la chaine aleatoire | |
89 | */ | |
90 | function rand_pass() | |
91 | { | |
92 | return rand_token(8); | |
93 | } | |
94 | ||
a14159bf | 95 | /** Remove accent from a string and replace them by the nearest letter |
96 | */ | |
97 | global $lc_convert, $uc_convert; | |
98 | $lc_convert = array('é' => 'e', 'è' => 'e', 'ë' => 'e', 'ê' => 'e', | |
d36e55a1 | 99 | 'á' => 'a', 'à' => 'a', 'ä' => 'a', 'â' => 'a', 'å' => 'a', 'ã' => 'a', |
100 | 'ï' => 'i', 'î' => 'i', 'ì' => 'i', 'í' => 'i', | |
101 | 'ô' => 'o', 'ö' => 'o', 'ò' => 'o', 'ó' => 'o', 'õ' => 'o', 'ø' => 'o', | |
102 | 'ú' => 'u', 'ù' => 'u', 'û' => 'u', 'ü' => 'u', | |
103 | 'ç' => 'c', 'ñ' => 'n'); | |
eaf30d86 PH |
104 | $uc_convert = array('É' => 'E', 'È' => 'E', 'Ë' => 'E', 'Ê' => 'E', |
105 | 'Á' => 'A', 'À' => 'A', 'Ä' => 'A', 'Â' => 'A', 'Å' => 'A', 'Ã' => 'A', | |
106 | 'Ï' => 'I', 'Î' => 'I', 'Ì' => 'I', 'Í' => 'I', | |
107 | 'Ô' => 'O', 'Ö' => 'O', 'Ò' => 'O', 'Ó' => 'O', 'Õ' => 'O', 'Ø' => 'O', | |
108 | 'Ú' => 'U', 'Ù' => 'U', 'Û' => 'U', 'Ü' => 'U', | |
d36e55a1 | 109 | 'Ç' => 'C', 'Ñ' => 'N'); |
a14159bf | 110 | |
111 | function replace_accent($string) | |
112 | { | |
113 | global $lc_convert, $uc_convert; | |
114 | $string = strtr($string, $lc_convert); | |
115 | return strtr($string, $uc_convert); | |
116 | } | |
117 | ||
a7de4ef7 | 118 | /* Un soundex en français posté par Frédéric Bouchery |
119 | Voici une adaptation en PHP de la fonction soundex2 francisée de Frédéric BROUARD (http://sqlpro.developpez.com/Soundex/). | |
120 | C'est une bonne démonstration de la force des expressions régulières compatible Perl. | |
d36e55a1 | 121 | trouvé sur http://expreg.com/voirsource.php?id=40&type=Chaines%20de%20caract%E8res */ |
0337d704 | 122 | function soundex_fr($sIn) |
94f6c381 | 123 | { |
124 | static $convVIn, $convVOut, $convGuIn, $convGuOut, $accents; | |
125 | if (!isset($convGuIn)) { | |
d36e55a1 | 126 | global $uc_convert, $lc_convert; |
33a55e8d FB |
127 | $convGuIn = array( 'GUI', 'GUE', 'GA', 'GO', 'GU', 'SCI', 'SCE', 'SC', 'CA', 'CO', |
128 | 'CU', 'QU', 'Q', 'CC', 'CK', 'G', 'ST', 'PH'); | |
129 | $convGuOut = array( 'KI', 'KE', 'KA', 'KO', 'K', 'SI', 'SE', 'SK', 'KA', 'KO', | |
130 | 'KU', 'K', 'K', 'K', 'K', 'J', 'T', 'F'); | |
393137f9 | 131 | $convVIn = array( '/E?(AU)/', '/([EA])?[UI]([NM])([^EAIOUY]|$)/', '/[AE]O?[NM]([^AEIOUY]|$)/', |
d36e55a1 | 132 | '/[EA][IY]([NM]?[^NM]|$)/', '/(^|[^OEUIA])(OEU|OE|EU)([^OEUIA]|$)/', '/OI/', |
133 | '/(ILLE?|I)/', '/O(U|W)/', '/O[NM]($|[^EAOUIY])/', '/(SC|S|C)H/', | |
33a55e8d | 134 | '/([^AEIOUY1])[^AEIOUYLKTPNR]([UAO])([^AEIOUY])/', '/([^AEIOUY]|^)([AUO])[^AEIOUYLKTP]([^AEIOUY1])/', '/^KN/', |
d36e55a1 | 135 | '/^PF/', '/C([^AEIOUY]|$)/', |
1c428347 | 136 | '/C/', '/Z$/', '/(?<!^)Z+/', '/ER$/', '/H/', '/W/'); |
94f6c381 | 137 | $convVOut = array( 'O', '1\3', 'A\1', |
d36e55a1 | 138 | 'E\1', '\1E\3', 'O', |
139 | 'Y', 'U', 'O\1', '9', | |
140 | '\1\2\3', '\1\2\3', 'N', | |
141 | 'F', 'K\1', | |
1c428347 | 142 | 'S', 'SE', 'S', 'E', '', 'V'); |
d36e55a1 | 143 | $accents = $uc_convert + $lc_convert; |
94f6c381 | 144 | $accents['Ç'] = 'S'; |
145 | $accents['¿'] = 'E'; | |
146 | } | |
eaf30d86 PH |
147 | // Si il n'y a pas de mot, on sort immédiatement |
148 | if ( $sIn === '' ) return ' '; | |
149 | // On supprime les accents | |
d36e55a1 | 150 | $sIn = strtr( $sIn, $accents); |
eaf30d86 PH |
151 | // On met tout en minuscule |
152 | $sIn = strtoupper( $sIn ); | |
153 | // On supprime tout ce qui n'est pas une lettre | |
154 | $sIn = preg_replace( '`[^A-Z]`', '', $sIn ); | |
155 | // Si la chaîne ne fait qu'un seul caractère, on sort avec. | |
156 | if ( strlen( $sIn ) === 1 ) return $sIn . ' '; | |
157 | // on remplace les consonnances primaires | |
94f6c381 | 158 | $sIn = str_replace( $convGuIn, $convGuOut, $sIn ); |
159 | // on supprime les lettres répétitives | |
160 | $sIn = preg_replace( '`(.)\1`', '$1', $sIn ); | |
161 | // on réinterprète les voyelles | |
162 | $sIn = preg_replace( $convVIn, $convVOut, $sIn); | |
eaf30d86 | 163 | // on supprime les terminaisons T, D, S, X (et le L qui précède si existe) |
33a55e8d | 164 | $sIn = preg_replace( '`L?[TDX]S?$`', '', $sIn ); |
94f6c381 | 165 | // on supprime les E, A et Y qui ne sont pas en première position |
166 | $sIn = preg_replace( '`(?!^)Y([^AEOU]|$)`', '\1', $sIn); | |
393137f9 | 167 | $sIn = preg_replace( '`(?!^)[EA]`', '', $sIn); |
eaf30d86 | 168 | return substr( $sIn . ' ', 0, 4); |
0337d704 | 169 | } |
170 | ||
9797734d FB |
171 | /** Convert ip to uint (to store it in a database) |
172 | */ | |
173 | function ip_to_uint($ip) | |
174 | { | |
61c98f4b | 175 | $part = explode('.', $ip); |
ba34dc61 FB |
176 | if (count($part) != 4) { |
177 | return null; | |
178 | } | |
61c98f4b FB |
179 | $v = 0; |
180 | $fact = 0x1000000; | |
181 | for ($i = 0 ; $i < 4 ; ++$i) { | |
182 | $v += $fact * $part[$i]; | |
183 | $fact >>= 8; | |
184 | } | |
185 | return $v; | |
9797734d FB |
186 | } |
187 | ||
188 | /** Convert uint to ip (to build a human understandable ip) | |
189 | */ | |
190 | function uint_to_ip($uint) | |
191 | { | |
bcf05105 | 192 | return long2ip($uint); |
9797734d FB |
193 | } |
194 | ||
707b65dc RB |
195 | /** Converts DateTime / string / timestamp to DateTime object |
196 | */ | |
197 | function make_datetime($date) | |
198 | { | |
199 | if ($date instanceof DateTime) { | |
200 | return $date; | |
201 | } elseif (preg_match('/^\d{14}$/', $date) || preg_match('/^\d{8}$/', $date)) { | |
202 | return new DateTime($date); | |
203 | } elseif (is_int($date) || is_numeric($date)) { | |
204 | return new DateTime("@$date"); | |
205 | } else { | |
206 | try { | |
20030248 FB |
207 | $list = explode('/', $date); |
208 | if (count($list) == 3) { | |
209 | $date = $list[1] . '/' . $list[0] . '/' . $list[2]; | |
210 | } | |
211 | // FIXME: On PHP < 5.3, parsing error are reported using an error, | |
212 | // not an exception. Thus count the number of error to detect | |
213 | // errors. | |
214 | $errors = @count($GLOBALS['pl_errors']); | |
707b65dc | 215 | $d = new DateTime($date); |
20030248 FB |
216 | if (@count($GLOBALS['pl_errors']) > $errors) { |
217 | return null; | |
218 | } | |
707b65dc RB |
219 | return $d; |
220 | } catch (Exception $e) { | |
221 | return null; | |
222 | } | |
223 | } | |
224 | } | |
225 | ||
ef815e75 RB |
226 | /** Here to allow clean date formats instead of PHP's erroneous system... |
227 | * Format : | |
228 | * %a: Mon...Sun | |
229 | * %A: Monday...Sunday | |
230 | * %d: day, two digits | |
231 | * %e: day, space before single digits | |
232 | * %j: day of year | |
233 | * %u: day of week (1 for monday, 7 for sunday) | |
234 | * %w: day of week (0 for sunday, 6 for saturday) | |
235 | * | |
236 | * //%U: week number (first week is that with the first sunday) | |
237 | * //%V: week number (ISO 8601-1988: first week is that with at least 4 week days) | |
238 | * %W: week number (first week is that with the first monday) | |
239 | * | |
240 | * %b: Jan...Dec | |
241 | * %B: January...December | |
242 | * %h: = %b | |
243 | * %m: month, two digits | |
244 | * | |
245 | * %C: century, two digits | |
246 | * %g: year, two digits (ISO 8601-1988) | |
247 | * %G: %g with four digits | |
248 | * %y: year, two digits | |
249 | * %Y: year, four digits | |
250 | * | |
251 | * %H: hour, two digits, 24h format | |
252 | * %h: hour, two digits, 12h format | |
253 | * %l: hour, two digits, space before single, 12h format | |
254 | * %M: minute, two digits | |
255 | * %p: AM/PM | |
256 | * %P: am/pm | |
257 | * %r: %I:%M:%S %p | |
258 | * %R: %H:%M | |
259 | * %S: second, two digits | |
260 | * %T: %H:%M:%S | |
261 | * %z: timezone (offset) | |
262 | * %Z: timezone (abbrev) | |
263 | * | |
264 | * %x: %e %B %Y | |
265 | * %X: %T | |
266 | * %s: unix timestamp | |
267 | * %%: % | |
268 | */ | |
269 | function format_datetime($date, $format) | |
270 | { | |
271 | $format = str_replace(array('%X', '%x', '%R', '%r', '%T', '%%'), | |
272 | array('%T', '%e %B %Y', '%H:%M', '%I:%M:%S %p', '%H:%M:%S', '%%'), | |
273 | $format); | |
274 | ||
275 | $date = make_datetime($date); | |
276 | $yy = (int) $date->format('Y'); | |
277 | // if ($yy > 1901 && $yy < 2038) { | |
278 | // return strftime($format, $date->format('U')); | |
279 | // } else { | |
280 | $w = (int) $date->format('w'); | |
281 | $u = $w; | |
282 | if ($u == 0) { | |
283 | $u = 7; | |
284 | } | |
285 | $weekday = new DateTime('2010-05-' . (10 + $u)); | |
286 | $aa = strftime('%A', $weekday->format('U')); | |
287 | $a = strftime('%a', $weekday->format('U')); | |
288 | ||
289 | $m = $date->format('m'); | |
290 | $monthday = new DateTime('2010-' . $m . '-01'); | |
291 | $bb = strftime('%B', $monthday->format('U')); | |
292 | $b = strftime('%b', $monthday->format('U')); | |
293 | $y = $date->format('y'); | |
294 | ||
295 | $j = $date->format('z'); // Day of year | |
296 | $d = $date->format('d'); // Day of month, 2 digits | |
297 | $e = $date->format('j'); // Day of month, leanding space | |
298 | if (strlen($e) == 1) { | |
299 | $e = ' ' . $e; | |
300 | } | |
301 | ||
302 | $yy = "$yy"; | |
303 | $cc = substr($yy, 0, 2); // Century | |
304 | $ww = $date->format('W'); // Week number | |
305 | ||
306 | $hh = $date->format('H'); // Hour, 24h | |
307 | $h = $date->format('h'); // Hour, 12h | |
308 | $l = $date->format('g'); // Hour, 12h with leading space | |
309 | if (strlen($l) == 1) { | |
310 | $l = ' ' . $l; | |
311 | } | |
312 | ||
313 | $mm = $date->format('i'); // Minutes | |
314 | $p = $date->format('A'); // AM/PM | |
315 | $pp = $date->format('a'); // am/pm | |
316 | $ss = $date->format('s'); // Seconds | |
317 | ||
318 | $s = $date->format('U'); // Timestamp | |
319 | $zz = $date->format('T'); // Timezone abbrev | |
320 | $z = $date->format('Z'); // Timezone offset | |
321 | ||
322 | $txt = str_replace( | |
323 | array('%a', '%A', '%d', '%e', '%j', '%u', '%w', | |
324 | '%W', '%b', '%B', '%h', '%m', '%C', '%y', '%Y', | |
325 | '%H', '%h', '%l', '%M', '%p', '%P', '%S', '%z', '%Z', | |
326 | '%%'), | |
327 | array($a, $aa, $d, $e, $j, $u, $w, | |
328 | $ww, $b, $bb, $b, $m, $cc, $y, $yy, | |
329 | $hh, $h, $l, $mm, $p, $pp, $ss, $z, $zz, | |
330 | '%'), | |
331 | $format); | |
332 | ||
333 | return $txt; | |
334 | // } | |
335 | } | |
336 | ||
26d00fe5 FB |
337 | /** Get the first n characters of the string |
338 | */ | |
339 | function left($string, $count) | |
340 | { | |
341 | return substr($string, 0, $count); | |
342 | } | |
343 | ||
344 | /** Get the last n characters of the string | |
345 | */ | |
346 | function right($string, $count) | |
347 | { | |
348 | return substr($string, -$count); | |
349 | } | |
350 | ||
351 | /** Check if a string is a prefix for another one. | |
352 | */ | |
353 | function starts_with($string, $prefix, $caseSensitive = true) | |
354 | { | |
355 | $prefixLen = strlen($prefix); | |
356 | if (strlen($string) < $prefixLen) { | |
357 | return false; | |
358 | } | |
359 | $part = left($string, $prefixLen); | |
360 | if ($caseSensitive) { | |
361 | return strcmp($prefix, $part) === 0; | |
362 | } else { | |
363 | return strcasecmp($prefix, $part) === 0; | |
364 | } | |
365 | } | |
366 | ||
367 | /** Check if a string is a suffix for another one. | |
368 | */ | |
369 | function ends_with($string, $suffix, $caseSensitive = true) | |
370 | { | |
371 | $suffixLen = strlen($suffix); | |
372 | if (strlen($string) < $suffixLen) { | |
373 | return false; | |
374 | } | |
375 | $part = right($string, $suffixLen); | |
376 | if ($caseSensitive) { | |
377 | return strcmp($suffix, $part) === 0; | |
378 | } else { | |
379 | return strcasecmp($suffix, $part) === 0; | |
380 | } | |
381 | } | |
382 | ||
e24eb48b FB |
383 | /** Check if the input data can be seen as an integer. |
384 | */ | |
385 | function can_convert_to_integer($data) | |
386 | { | |
387 | return is_int($data) || ctype_digit($data); | |
388 | } | |
389 | ||
390 | /** Interpret the input data as an integer or return false. | |
391 | */ | |
392 | function to_integer($data) | |
393 | { | |
394 | if (!can_convert_to_integer($data)) { | |
395 | return false; | |
396 | } | |
397 | return intval($data); | |
398 | } | |
399 | ||
26d00fe5 | 400 | |
a7de4ef7 | 401 | // vim:set et sw=4 sts=4 sws=4 foldmethod=marker enc=utf-8: |
0337d704 | 402 | ?> |