d622d38a |
1 | <? |
2 | |
3 | /* |
4 | class.POP3.php3 v1.0 99/03/24 CDI cdi@thewebmasters.net |
5 | Copyright (c) 1999 - CDI (cdi@thewebmasters.net) All Rights Reserved |
6 | Modified by Philippe Mingo 2001 mingo@rotedic.com |
7 | An RFC 1939 compliant wrapper class for the POP3 protocol. |
8 | */ |
9 | |
10 | class POP3 { |
11 | var $ERROR = ""; // Error string. |
12 | |
13 | var $TIMEOUT = 60; // Default timeout before giving up on a |
14 | // network operation. |
15 | |
16 | var $COUNT = -1; // Mailbox msg count |
17 | |
18 | var $BUFFER = 512; // Socket buffer for socket fgets() calls. |
19 | // Per RFC 1939 the returned line a POP3 |
20 | // server can send is 512 bytes. |
21 | |
22 | var $FP = ""; // The connection to the server's |
23 | // file descriptor |
24 | |
25 | var $MAILSERVER = ""; // Set this to hard code the server name |
26 | |
27 | var $DEBUG = false; // set to true to echo pop3 |
28 | // commands and responses to error_log |
29 | // this WILL log passwords! |
30 | |
31 | var $BANNER = ""; // Holds the banner returned by the |
32 | // pop server - used for apop() |
33 | |
34 | var $RFC1939 = true; // Set by noop(). See rfc1939.txt |
35 | // |
36 | |
37 | var $ALLOWAPOP = false; // Allow or disallow apop() |
38 | // This must be set to true |
39 | // manually |
40 | |
41 | function POP3 ( $server = "", $timeout = "" ) { |
42 | settype($this->BUFFER,"integer"); |
43 | if( !empty($server) ) { |
44 | // Do not allow programs to alter MAILSERVER |
45 | // if it is already specified. They can get around |
46 | // this if they -really- want to, so don't count on it. |
47 | if(empty($this->MAILSERVER)) |
48 | $this->MAILSERVER = $server; |
49 | } |
50 | if(!empty($timeout)) { |
51 | settype($timeout,"integer"); |
52 | $this->TIMEOUT = $timeout; |
53 | set_time_limit($timeout); |
54 | } |
55 | return true; |
56 | } |
57 | |
58 | function update_timer () { |
59 | set_time_limit($this->TIMEOUT); |
60 | return true; |
61 | } |
62 | |
63 | function connect ($server, $port = 110) { |
64 | // Opens a socket to the specified server. Unless overridden, |
65 | // port defaults to 110. Returns true on success, false on fail |
66 | |
67 | // If MAILSERVER is set, override $server with it's value |
68 | |
69 | if(!empty($this->MAILSERVER)) |
70 | $server = $this->MAILSERVER; |
71 | |
72 | if(empty($server)){ |
73 | $this->ERROR = _("POP3 connect:") . ' ' . _("No server specified"); |
74 | unset($this->FP); |
75 | return false; |
76 | } |
77 | |
78 | $fp = fsockopen("$server", $port, $errno, $errstr); |
79 | |
80 | if(!$fp) { |
81 | $this->ERROR = _("POP3 connect:") . ' ' . _("Error ") . "[$errno] [$errstr]"; |
82 | unset($this->FP); |
83 | return false; |
84 | } |
85 | |
86 | socket_set_blocking($fp,-1); |
87 | $this->update_timer(); |
88 | $reply = fgets($fp,$this->BUFFER); |
89 | $reply = $this->strip_clf($reply); |
90 | if($this->DEBUG) |
91 | error_log("POP3 SEND [connect: $server] GOT [$reply]",0); |
92 | if(!$this->is_ok($reply)) { |
93 | $this->ERROR = _("POP3 connect:") . ' ' . _("Error ") . "[$reply]"; |
94 | unset($this->FP); |
95 | return false; |
96 | } |
97 | $this->FP = $fp; |
98 | $this->BANNER = $this->parse_banner($reply); |
99 | $this->RFC1939 = $this->noop(); |
100 | if($this->RFC1939) { |
101 | $this->ERROR = _("POP3: premature NOOP OK, NOT an RFC 1939 Compliant server"); |
102 | $this->quit(); |
103 | return false; |
104 | } else |
105 | return true; |
106 | } |
107 | |
108 | function noop () { |
109 | |
110 | if(!isset($this->FP)) { |
111 | $this->ERROR = _("POP3 noop:") . ' ' . _("No connection to server"); |
112 | return false; |
113 | } else { |
114 | $cmd = "NOOP"; |
115 | $reply = $this->send_cmd( $cmd ); |
116 | return( $this->is_ok( $reply ) ); |
117 | } |
118 | } |
119 | |
120 | function user ($user = "") { |
121 | // Sends the USER command, returns true or false |
122 | |
123 | if( empty($user) ) { |
124 | $this->ERROR = _("POP3 user:") . ' ' . _("no login ID submitted"); |
125 | return false; |
126 | } elseif(!isset($this->FP)) { |
127 | $this->ERROR = _("POP3 user:") . ' ' . _("connection not established"); |
128 | return false; |
129 | } else { |
130 | $reply = $this->send_cmd("USER $user"); |
131 | if(!$this->is_ok($reply)) { |
132 | $this->ERROR = _("POP3 user:") . ' ' . _("Error ") . "[$reply]"; |
133 | return false; |
134 | } else |
135 | return true; |
136 | } |
137 | } |
138 | |
139 | function pass ($pass = "") { |
140 | // Sends the PASS command, returns # of msgs in mailbox, |
141 | // returns false (undef) on Auth failure |
142 | |
143 | if(empty($pass)) { |
144 | $this->ERROR = _("POP3 pass:") . ' ' . _("No password submitted"); |
145 | return false; |
146 | } elseif(!isset($this->FP)) { |
147 | $this->ERROR = _("POP3 pass:") . ' ' . _("connection not established"); |
148 | return false; |
149 | } else { |
150 | $reply = $this->send_cmd("PASS $pass"); |
151 | if(!$this->is_ok($reply)) { |
152 | $this->ERROR = _("POP3 pass:") . ' ' . _("authentication failed ") . "[$reply]"; |
153 | $this->quit(); |
154 | return false; |
155 | } else { |
156 | // Auth successful. |
157 | $count = $this->last("count"); |
158 | $this->COUNT = $count; |
159 | $this->RFC1939 = $this->noop(); |
160 | if(!$this->RFC1939) { |
161 | $this->ERROR = _("POP3 pass:") . ' ' . _("NOOP failed. Server not RFC 1939 compliant"); |
162 | $this->quit(); |
163 | return false; |
164 | } else |
165 | return $count; |
166 | } |
167 | } |
168 | } |
169 | |
170 | function apop ($login,$pass) { |
171 | // Attempts an APOP login. If this fails, it'll |
172 | // try a standard login. YOUR SERVER MUST SUPPORT |
173 | // THE USE OF THE APOP COMMAND! |
174 | // (apop is optional per rfc1939) |
175 | |
176 | if(!isset($this->FP)) { |
177 | $this->ERROR = _("POP3 apop:") . ' ' . _("No connection to server"); |
178 | return false; |
179 | } elseif(!$this->ALLOWAPOP) { |
180 | $retVal = $this->login($login,$pass); |
181 | return $retVal; |
182 | } elseif(empty($login)) { |
183 | $this->ERROR = _("POP3 apop:") . ' ' . _("No login ID submitted"); |
184 | return false; |
185 | } elseif(empty($pass)) { |
186 | $this->ERROR = _("POP3 apop:") . ' ' . _("No password submitted"); |
187 | return false; |
188 | } else { |
189 | $banner = $this->BANNER; |
190 | if( (!$banner) or (empty($banner)) ) { |
191 | $this->ERROR = _("POP3 apop:") . ' ' . _("No server banner") . ' - ' . _("abort"); |
192 | $retVal = $this->login($login,$pass); |
193 | return $retVal; |
194 | } else { |
195 | $AuthString = $banner; |
196 | $AuthString .= $pass; |
197 | $APOPString = md5($AuthString); |
198 | $cmd = "APOP $login $APOPString"; |
199 | $reply = $this->send_cmd($cmd); |
200 | if(!$this->is_ok($reply)) { |
201 | $this->ERROR = _("POP3 apop:") . ' ' . _("apop authentication failed") . ' - ' . _("abort"); |
202 | $retVal = $this->login($login,$pass); |
203 | return $retVal; |
204 | } else { |
205 | // Auth successful. |
206 | $count = $this->last("count"); |
207 | $this->COUNT = $count; |
208 | $this->RFC1939 = $this->noop(); |
209 | if(!$this->RFC1939) { |
210 | $this->ERROR = _("POP3 apop:") . ' ' . _("NOOP failed. Server not RFC 1939 compliant"); |
211 | $this->quit(); |
212 | return false; |
213 | } else |
214 | return $count; |
215 | } |
216 | } |
217 | } |
218 | } |
219 | |
220 | function login ($login = "", $pass = "") { |
221 | // Sends both user and pass. Returns # of msgs in mailbox or |
222 | // false on failure (or -1, if the error occurs while getting |
223 | // the number of messages.) |
224 | |
225 | if( !isset($this->FP) ) { |
226 | $this->ERROR = _("POP3 login:") . ' ' . _("No connection to server"); |
227 | return false; |
228 | } else { |
229 | $fp = $this->FP; |
230 | if( !$this->user( $login ) ) { |
231 | // Preserve the error generated by user() |
232 | return false; |
233 | } else { |
234 | $count = $this->pass($pass); |
235 | if( (!$count) || ($count == -1) ) { |
236 | // Preserve the error generated by last() and pass() |
237 | return false; |
238 | } else |
239 | return $count; |
240 | } |
241 | } |
242 | } |
243 | |
244 | function top ($msgNum, $numLines = "0") { |
245 | // Gets the header and first $numLines of the msg body |
246 | // returns data in an array with each returned line being |
247 | // an array element. If $numLines is empty, returns |
248 | // only the header information, and none of the body. |
249 | |
250 | if(!isset($this->FP)) { |
251 | $this->ERROR = _("POP3 top:") . ' ' . _("No connection to server"); |
252 | return false; |
253 | } |
254 | $this->update_timer(); |
255 | |
256 | $fp = $this->FP; |
257 | $buffer = $this->BUFFER; |
258 | $cmd = "TOP $msgNum $numLines"; |
259 | fwrite($fp, "TOP $msgNum $numLines\r\n"); |
260 | $reply = fgets($fp, $buffer); |
261 | $reply = $this->strip_clf($reply); |
262 | if($this->DEBUG) { |
263 | @error_log("POP3 SEND [$cmd] GOT [$reply]",0); |
264 | } |
265 | if(!$this->is_ok($reply)) |
266 | { |
267 | $this->ERROR = _("POP3 top:") . ' ' . _("Error ") . "[$reply]"; |
268 | return false; |
269 | } |
270 | |
271 | $count = 0; |
272 | $MsgArray = array(); |
273 | |
274 | $line = fgets($fp,$buffer); |
275 | while ( !ereg("^\.\r\n",$line)) |
276 | { |
277 | $MsgArray[$count] = $line; |
278 | $count++; |
279 | $line = fgets($fp,$buffer); |
280 | if(empty($line)) { break; } |
281 | } |
282 | |
283 | return $MsgArray; |
284 | } |
285 | |
286 | function pop_list ($msgNum = "") { |
287 | // If called with an argument, returns that msgs' size in octets |
288 | // No argument returns an associative array of undeleted |
289 | // msg numbers and their sizes in octets |
290 | |
291 | if(!isset($this->FP)) |
292 | { |
293 | $this->ERROR = _("POP3 pop_list:") . ' ' . _("No connection to server"); |
294 | return false; |
295 | } |
296 | $fp = $this->FP; |
297 | $Total = $this->COUNT; |
298 | if( (!$Total) or ($Total == -1) ) |
299 | { |
300 | return false; |
301 | } |
302 | if($Total == 0) |
303 | { |
304 | return array("0","0"); |
305 | // return -1; // mailbox empty |
306 | } |
307 | |
308 | $this->update_timer(); |
309 | |
310 | if(!empty($msgNum)) |
311 | { |
312 | $cmd = "LIST $msgNum"; |
313 | fwrite($fp,"$cmd\r\n"); |
314 | $reply = fgets($fp,$this->BUFFER); |
315 | $reply = $this->strip_clf($reply); |
316 | if($this->DEBUG) { |
317 | @error_log("POP3 SEND [$cmd] GOT [$reply]",0); |
318 | } |
319 | if(!$this->is_ok($reply)) |
320 | { |
321 | $this->ERROR = _("POP3 pop_list:") . ' ' . _("Error ") . "[$reply]"; |
322 | return false; |
323 | } |
324 | list($junk,$num,$size) = explode(" ",$reply); |
325 | return $size; |
326 | } |
327 | $cmd = "LIST"; |
328 | $reply = $this->send_cmd($cmd); |
329 | if(!$this->is_ok($reply)) |
330 | { |
331 | $reply = $this->strip_clf($reply); |
332 | $this->ERROR = _("POP3 pop_list:") . ' ' . _("Error ") . "[$reply]"; |
333 | return false; |
334 | } |
335 | $MsgArray = array(); |
336 | $MsgArray[0] = $Total; |
337 | for($msgC=1;$msgC <= $Total; $msgC++) |
338 | { |
339 | if($msgC > $Total) { break; } |
340 | $line = fgets($fp,$this->BUFFER); |
341 | $line = $this->strip_clf($line); |
342 | if(ereg("^\.",$line)) |
343 | { |
344 | $this->ERROR = _("POP3 pop_list:") . ' ' . _("Premature end of list"); |
345 | return false; |
346 | } |
347 | list($thisMsg,$msgSize) = explode(" ",$line); |
348 | settype($thisMsg,"integer"); |
349 | if($thisMsg != $msgC) |
350 | { |
351 | $MsgArray[$msgC] = "deleted"; |
352 | } |
353 | else |
354 | { |
355 | $MsgArray[$msgC] = $msgSize; |
356 | } |
357 | } |
358 | return $MsgArray; |
359 | } |
360 | |
361 | function get ($msgNum) { |
362 | // Retrieve the specified msg number. Returns an array |
363 | // where each line of the msg is an array element. |
364 | |
365 | if(!isset($this->FP)) |
366 | { |
367 | $this->ERROR = _("POP3 get:") . ' ' . _("No connection to server"); |
368 | return false; |
369 | } |
370 | |
371 | $this->update_timer(); |
372 | |
373 | $fp = $this->FP; |
374 | $buffer = $this->BUFFER; |
375 | $cmd = "RETR $msgNum"; |
376 | $reply = $this->send_cmd($cmd); |
377 | |
378 | if(!$this->is_ok($reply)) |
379 | { |
380 | $this->ERROR = _("POP3 get:") . ' ' . _("Error ") . "[$reply]"; |
381 | return false; |
382 | } |
383 | |
384 | $count = 0; |
385 | $MsgArray = array(); |
386 | |
387 | $line = fgets($fp,$buffer); |
388 | while ( !ereg("^\.\r\n",$line)) |
389 | { |
390 | $MsgArray[$count] = $line; |
391 | $count++; |
392 | $line = fgets($fp,$buffer); |
393 | if(empty($line)) { break; } |
394 | } |
395 | return $MsgArray; |
396 | } |
397 | |
398 | function last ( $type = "count" ) { |
399 | // Returns the highest msg number in the mailbox. |
400 | // returns -1 on error, 0+ on success, if type != count |
401 | // results in a popstat() call (2 element array returned) |
402 | |
403 | $last = -1; |
404 | if(!isset($this->FP)) |
405 | { |
406 | $this->ERROR = _("POP3 last:") . ' ' . _("No connection to server"); |
407 | return $last; |
408 | } |
409 | |
410 | $reply = $this->send_cmd("STAT"); |
411 | if(!$this->is_ok($reply)) |
412 | { |
413 | $this->ERROR = _("POP3 last:") . ' ' . _("Error ") . "[$reply]"; |
414 | return $last; |
415 | } |
416 | |
417 | $Vars = explode(" ",$reply); |
418 | $count = $Vars[1]; |
419 | $size = $Vars[2]; |
420 | settype($count,"integer"); |
421 | settype($size,"integer"); |
422 | if($type != "count") |
423 | { |
424 | return array($count,$size); |
425 | } |
426 | return $count; |
427 | } |
428 | |
429 | function reset () { |
430 | // Resets the status of the remote server. This includes |
431 | // resetting the status of ALL msgs to not be deleted. |
432 | // This method automatically closes the connection to the server. |
433 | |
434 | if(!isset($this->FP)) |
435 | { |
436 | $this->ERROR = _("POP3 reset:") . ' ' . _("No connection to server"); |
437 | return false; |
438 | } |
439 | $reply = $this->send_cmd("RSET"); |
440 | if(!$this->is_ok($reply)) |
441 | { |
442 | // The POP3 RSET command -never- gives a -ERR |
443 | // response - if it ever does, something truely |
444 | // wild is going on. |
445 | |
446 | $this->ERROR = _("POP3 reset:") . ' ' . _("Error ") . "[$reply]"; |
447 | @error_log("POP3 reset: ERROR [$reply]",0); |
448 | } |
449 | $this->quit(); |
450 | return true; |
451 | } |
452 | |
453 | function send_cmd ( $cmd = "" ) |
454 | { |
455 | // Sends a user defined command string to the |
456 | // POP server and returns the results. Useful for |
457 | // non-compliant or custom POP servers. |
458 | // Do NOT includ the \r\n as part of your command |
459 | // string - it will be appended automatically. |
460 | |
461 | // The return value is a standard fgets() call, which |
462 | // will read up to $this->BUFFER bytes of data, until it |
463 | // encounters a new line, or EOF, whichever happens first. |
464 | |
465 | // This method works best if $cmd responds with only |
466 | // one line of data. |
467 | |
468 | if(!isset($this->FP)) |
469 | { |
470 | $this->ERROR = _("POP3 send_cmd:") . ' ' . _("No connection to server"); |
471 | return false; |
472 | } |
473 | |
474 | if(empty($cmd)) |
475 | { |
476 | $this->ERROR = _("POP3 send_cmd:") . ' ' . _("Empty command string"); |
477 | return ""; |
478 | } |
479 | |
480 | $fp = $this->FP; |
481 | $buffer = $this->BUFFER; |
482 | $this->update_timer(); |
483 | fwrite($fp,"$cmd\r\n"); |
484 | $reply = fgets($fp,$buffer); |
485 | $reply = $this->strip_clf($reply); |
486 | if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); } |
487 | return $reply; |
488 | } |
489 | |
490 | function quit() { |
491 | // Closes the connection to the POP3 server, deleting |
492 | // any msgs marked as deleted. |
493 | |
494 | if(!isset($this->FP)) |
495 | { |
496 | $this->ERROR = _("POP3 quit:") . ' ' . _("connection does not exist"); |
497 | return false; |
498 | } |
499 | $fp = $this->FP; |
500 | $cmd = "QUIT"; |
501 | fwrite($fp,"$cmd\r\n"); |
502 | $reply = fgets($fp,$this->BUFFER); |
503 | $reply = $this->strip_clf($reply); |
504 | if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); } |
505 | fclose($fp); |
506 | unset($this->FP); |
507 | return true; |
508 | } |
509 | |
510 | function popstat () { |
511 | // Returns an array of 2 elements. The number of undeleted |
512 | // msgs in the mailbox, and the size of the mbox in octets. |
513 | |
514 | $PopArray = $this->last("array"); |
515 | |
516 | if($PopArray == -1) { return false; } |
517 | |
518 | if( (!$PopArray) or (empty($PopArray)) ) |
519 | { |
520 | return false; |
521 | } |
522 | return $PopArray; |
523 | } |
524 | |
525 | function uidl ($msgNum = "") |
526 | { |
527 | // Returns the UIDL of the msg specified. If called with |
528 | // no arguments, returns an associative array where each |
529 | // undeleted msg num is a key, and the msg's uidl is the element |
530 | // Array element 0 will contain the total number of msgs |
531 | |
532 | if(!isset($this->FP)) { |
533 | $this->ERROR = _("POP3 uidl:") . ' ' . _("No connection to server"); |
534 | return false; |
535 | } |
536 | |
537 | $fp = $this->FP; |
538 | $buffer = $this->BUFFER; |
539 | |
540 | if(!empty($msgNum)) { |
541 | $cmd = "UIDL $msgNum"; |
542 | $reply = $this->send_cmd($cmd); |
543 | if(!$this->is_ok($reply)) |
544 | { |
545 | $this->ERROR = _("POP3 uidl:") . ' ' . _("Error ") . "[$reply]"; |
546 | return false; |
547 | } |
548 | list ($ok,$num,$myUidl) = explode(" ",$reply); |
549 | return $myUidl; |
550 | } else { |
551 | $this->update_timer(); |
552 | |
553 | $UIDLArray = array(); |
554 | $Total = $this->COUNT; |
555 | $UIDLArray[0] = $Total; |
556 | |
557 | if ($Total < 1) |
558 | { |
559 | return $UIDLArray; |
560 | } |
561 | $cmd = "UIDL"; |
562 | fwrite($fp, "UIDL\r\n"); |
563 | $reply = fgets($fp, $buffer); |
564 | $reply = $this->strip_clf($reply); |
565 | if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); } |
566 | if(!$this->is_ok($reply)) |
567 | { |
568 | $this->ERROR = _("POP3 uidl:") . ' ' . _("Error ") . "[$reply]"; |
569 | return false; |
570 | } |
571 | |
572 | $line = ""; |
573 | $count = 1; |
574 | $line = fgets($fp,$buffer); |
575 | while ( !ereg("^\.\r\n",$line)) { |
576 | if(ereg("^\.\r\n",$line)) { |
577 | break; |
578 | } |
579 | list ($msg,$msgUidl) = explode(" ",$line); |
580 | $msgUidl = $this->strip_clf($msgUidl); |
581 | if($count == $msg) { |
582 | $UIDLArray[$msg] = $msgUidl; |
583 | } |
584 | else |
585 | { |
586 | $UIDLArray[$count] = "deleted"; |
587 | } |
588 | $count++; |
589 | $line = fgets($fp,$buffer); |
590 | } |
591 | } |
592 | return $UIDLArray; |
593 | } |
594 | |
595 | function delete ($msgNum = "") { |
596 | // Flags a specified msg as deleted. The msg will not |
597 | // be deleted until a quit() method is called. |
598 | |
599 | if(!isset($this->FP)) |
600 | { |
601 | $this->ERROR = _("POP3 delete:") . ' ' . _("No connection to server"); |
602 | return false; |
603 | } |
604 | if(empty($msgNum)) |
605 | { |
606 | $this->ERROR = _("POP3 delete:") . ' ' . _("No msg number submitted"); |
607 | return false; |
608 | } |
609 | $reply = $this->send_cmd("DELE $msgNum"); |
610 | if(!$this->is_ok($reply)) |
611 | { |
612 | $this->ERROR = _("POP3 delete:") . ' ' . _("Command failed ") . "[$reply]"; |
613 | return false; |
614 | } |
615 | return true; |
616 | } |
617 | |
618 | // ********************************************************* |
619 | |
620 | // The following methods are internal to the class. |
621 | |
622 | function is_ok ($cmd = "") { |
623 | // Return true or false on +OK or -ERR |
624 | |
625 | if( empty($cmd) ) |
626 | return false; |
627 | else |
628 | return( ereg ("^\+OK", $cmd ) ); |
629 | } |
630 | |
631 | function strip_clf ($text = "") { |
632 | // Strips \r\n from server responses |
633 | |
634 | if(empty($text)) |
635 | return $text; |
636 | else { |
637 | $stripped = str_replace("\r",'',$text); |
638 | $stripped = str_replace("\n",'',$stripped); |
639 | return $stripped; |
640 | } |
641 | } |
642 | |
643 | function parse_banner ( $server_text ) { |
644 | $outside = true; |
645 | $banner = ""; |
646 | $length = strlen($server_text); |
647 | for($count =0; $count < $length; $count++) |
648 | { |
649 | $digit = substr($server_text,$count,1); |
650 | if(!empty($digit)) { |
651 | if( (!$outside) && ($digit != '<') && ($digit != '>') ) |
652 | { |
653 | $banner .= $digit; |
654 | } |
655 | if ($digit == '<') |
656 | { |
657 | $outside = false; |
658 | } |
659 | if($digit == '>') |
660 | { |
661 | $outside = true; |
662 | } |
663 | } |
664 | } |
665 | $banner = $this->strip_clf($banner); // Just in case |
666 | return "<$banner>"; |
667 | } |
668 | |
669 | } // End class |
670 | |
671 | ?> |