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Code source de XOOPS 2.0.17.1 |
1 <?php 2 // $Id: functions.php 1032 2007-09-09 13:01:16Z dugris $ 3 // ------------------------------------------------------------------------ // 4 // XOOPS - PHP Content Management System // 5 // Copyright (c) 2000 XOOPS.org // 6 // <http://www.xoops.org/> // 7 // ------------------------------------------------------------------------ // 8 // This program is free software; you can redistribute it and/or modify // 9 // it under the terms of the GNU General Public License as published by // 10 // the Free Software Foundation; either version 2 of the License, or // 11 // (at your option) any later version. // 12 // // 13 // You may not change or alter any portion of this comment or credits // 14 // of supporting developers from this source code or any supporting // 15 // source code which is considered copyrighted (c) material of the // 16 // original comment or credit authors. // 17 // // 18 // This program is distributed in the hope that it will be useful, // 19 // but WITHOUT ANY WARRANTY; without even the implied warranty of // 20 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // 21 // GNU General Public License for more details. // 22 // // 23 // You should have received a copy of the GNU General Public License // 24 // along with this program; if not, write to the Free Software // 25 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA // 26 // ------------------------------------------------------------------------ // 27 28 // ################## Various functions from here ################ 29 30 function xoops_header($closehead=true) 31 { 32 global $xoopsConfig, $xoopsTheme, $xoopsConfigMetaFooter; 33 $myts =& MyTextSanitizer::getInstance(); 34 35 if (!headers_sent()) { 36 header('Content-Type:text/html; charset='._CHARSET); 37 header('Expires: Mon, 26 Jul 1997 05:00:00 GMT'); 38 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); 39 header('Cache-Control: no-store, no-cache, max-age=1, s-maxage=1, must-revalidate, post-check=0, pre-check=0'); 40 header("Pragma: no-cache"); 41 } 42 echo "<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Transitional//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'>"; 43 echo '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="'._LANGCODE.'" lang="'._LANGCODE.'"> 44 <head> 45 <meta http-equiv="content-type" content="text/html; charset='._CHARSET.'" /> 46 <meta http-equiv="content-language" content="'._LANGCODE.'" /> 47 <meta name="robots" content="'.htmlspecialchars($xoopsConfigMetaFooter['meta_robots']).'" /> 48 <meta name="keywords" content="'.htmlspecialchars($xoopsConfigMetaFooter['meta_keywords']).'" /> 49 <meta name="description" content="'.htmlspecialchars($xoopsConfigMetaFooter['meta_desc']).'" /> 50 <meta name="rating" content="'.htmlspecialchars($xoopsConfigMetaFooter['meta_rating']).'" /> 51 <meta name="author" content="'.htmlspecialchars($xoopsConfigMetaFooter['meta_author']).'" /> 52 <meta name="copyright" content="'.htmlspecialchars($xoopsConfigMetaFooter['meta_copyright']).'" /> 53 <meta name="generator" content="XOOPS" /> 54 <title>'.htmlspecialchars($xoopsConfig['sitename']).'</title> 55 <script type="text/javascript" src="'.XOOPS_URL.'/include/xoops.js"></script> 56 '; 57 $themecss = getcss($xoopsConfig['theme_set']); 58 echo '<link rel="stylesheet" type="text/css" media="all" href="'.XOOPS_URL.'/xoops.css" />'; 59 if ($themecss) { 60 echo '<link rel="stylesheet" type="text/css" media="all" href="'.$themecss.'" />'; 61 //echo '<style type="text/css" media="all"><!-- @import url('.$themecss.'); --></style>'; 62 } 63 if ($closehead) { 64 echo '</head><body>'; 65 } 66 } 67 68 function xoops_footer() 69 { 70 echo '</body></html>'; 71 ob_end_flush(); 72 } 73 74 function xoops_error($msg, $title='') 75 { 76 echo ' 77 <div class="errorMsg">'; 78 if ($title != '') { 79 echo '<h4>'.$title.'</h4>'; 80 } 81 if (is_array($msg)) { 82 foreach ($msg as $m) { 83 echo $m.'<br />'; 84 } 85 } else { 86 echo $msg; 87 } 88 echo '</div>'; 89 } 90 91 function xoops_result($msg, $title='') 92 { 93 echo ' 94 <div class="resultMsg">'; 95 if ($title != '') { 96 echo '<h4>'.$title.'</h4>'; 97 } 98 if (is_array($msg)) { 99 foreach ($msg as $m) { 100 echo $m.'<br />'; 101 } 102 } else { 103 echo $msg; 104 } 105 echo '</div>'; 106 } 107 108 function xoops_confirm($hiddens, $action, $msg, $submit='', $addtoken = true) 109 { 110 $submit = ($submit != '') ? trim($submit) : _SUBMIT; 111 echo ' 112 <div class="confirmMsg"> 113 <h4>'.$msg.'</h4> 114 <form method="post" action="'.$action.'"> 115 '; 116 foreach ($hiddens as $name => $value) { 117 if (is_array($value)) { 118 foreach ($value as $caption => $newvalue) { 119 echo '<input type="radio" name="'.$name.'" value="'.htmlspecialchars($newvalue).'" /> '.$caption; 120 } 121 echo '<br />'; 122 } else { 123 echo '<input type="hidden" name="'.$name.'" value="'.htmlspecialchars($value).'" />'; 124 } 125 } 126 if ($addtoken != false) { 127 echo $GLOBALS['xoopsSecurity']->getTokenHTML(); 128 } 129 echo ' 130 <input type="submit" name="confirm_submit" value="'.$submit.'" /> <input type="button" name="confirm_back" value="'._CANCEL.'" onclick="javascript:history.go(-1);" /> 131 </form> 132 </div> 133 '; 134 } 135 136 /** 137 * Deprecated, use {@link XoopsSecurity} class instead 138 **/ 139 function xoops_refcheck($docheck=1) 140 { 141 return $GLOBALS['xoopsSecurity']->checkReferer($docheck); 142 } 143 144 function xoops_getUserTimestamp($time, $timeoffset="") 145 { 146 global $xoopsConfig, $xoopsUser; 147 if ($timeoffset == '') { 148 if ($xoopsUser) { 149 $timeoffset = $xoopsUser->getVar("timezone_offset"); 150 } else { 151 $timeoffset = $xoopsConfig['default_TZ']; 152 } 153 } 154 $usertimestamp = intval($time) + (floatval($timeoffset) - $xoopsConfig['server_TZ'])*3600; 155 return $usertimestamp; 156 } 157 158 159 160 /* 161 * Function to display formatted times in user timezone 162 */ 163 function formatTimestamp($time, $format="l", $timeoffset="") 164 { 165 global $xoopsConfig, $xoopsUser; 166 $usertimestamp = xoops_getUserTimestamp($time, $timeoffset); 167 switch (strtolower($format)) { 168 case 's': 169 $datestring = _SHORTDATESTRING; 170 break; 171 case 'm': 172 $datestring = _MEDIUMDATESTRING; 173 break; 174 case 'mysql': 175 $datestring = "Y-m-d H:i:s"; 176 break; 177 case 'rss': 178 $datestring = "r"; 179 break; 180 case 'l': 181 $datestring = _DATESTRING; 182 break; 183 default: 184 if ($format != '') { 185 $datestring = $format; 186 } else { 187 $datestring = _DATESTRING; 188 } 189 break; 190 } 191 return ucfirst(date($datestring, $usertimestamp)); 192 } 193 194 /* 195 * Function to calculate server timestamp from user entered time (timestamp) 196 */ 197 function userTimeToServerTime($timestamp, $userTZ=null) 198 { 199 global $xoopsConfig; 200 if (!isset($userTZ)) { 201 $userTZ = $xoopsConfig['default_TZ']; 202 } 203 $timestamp = $timestamp - (($userTZ - $xoopsConfig['server_TZ']) * 3600); 204 return $timestamp; 205 } 206 207 function xoops_makepass() { 208 $makepass = ''; 209 $syllables = array("er","in","tia","wol","fe","pre","vet","jo","nes","al","len","son","cha","ir","ler","bo","ok","tio","nar","sim","ple","bla","ten","toe","cho","co","lat","spe","ak","er","po","co","lor","pen","cil","li","ght","wh","at","the","he","ck","is","mam","bo","no","fi","ve","any","way","pol","iti","cs","ra","dio","sou","rce","sea","rch","pa","per","com","bo","sp","eak","st","fi","rst","gr","oup","boy","ea","gle","tr","ail","bi","ble","brb","pri","dee","kay","en","be","se"); 210 srand((double)microtime()*1000000); 211 for ($count = 1; $count <= 4; $count++) { 212 if (rand()%10 == 1) { 213 $makepass .= sprintf("%0.0f",(rand()%50)+1); 214 } else { 215 $makepass .= sprintf("%s",$syllables[rand()%62]); 216 } 217 } 218 return $makepass; 219 } 220 221 /* 222 * Functions to display dhtml loading image box 223 */ 224 function OpenWaitBox() 225 { 226 echo "<div id='waitDiv' style='position:absolute;left:40%;top:50%;visibility:hidden;text-align: center;'> 227 <table cellpadding='6' border='2' class='bg2'> 228 <tr> 229 <td align='center'><b><big>" ._FETCHING."</big></b><br /><img src='".XOOPS_URL."/images/await.gif' alt='' /><br />" ._PLEASEWAIT."</td> 230 </tr> 231 </table> 232 </div> 233 <script type='text/javascript'> 234 <!--// 235 var DHTML = (document.getElementById || document.all || document.layers); 236 function ap_getObj(name) { 237 if (document.getElementById) { 238 return document.getElementById(name).style; 239 } else if (document.all) { 240 return document.all[name].style; 241 } else if (document.layers) { 242 return document.layers[name]; 243 } 244 } 245 function ap_showWaitMessage(div,flag) { 246 if (!DHTML) { 247 return; 248 } 249 var x = ap_getObj(div); 250 x.visibility = (flag) ? 'visible' : 'hidden'; 251 if (!document.getElementById) { 252 if (document.layers) { 253 x.left=280/2; 254 } 255 } 256 return true; 257 } 258 ap_showWaitMessage('waitDiv', 1); 259 //--> 260 </script>"; 261 } 262 263 function CloseWaitBox() 264 { 265 echo "<script type='text/javascript'> 266 <!--// 267 ap_showWaitMessage('waitDiv', 0); 268 //--> 269 </script> 270 "; 271 } 272 273 function checkEmail($email,$antispam = false) 274 { 275 if (!$email || !preg_match("/^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+([\.][a-z0-9-]+)+$/i",$email)){ 276 return false; 277 } 278 if ($antispam) { 279 $email = str_replace("@", " at ", $email); 280 $email = str_replace(".", " dot ", $email); 281 } 282 return $email; 283 } 284 285 function formatURL($url) 286 { 287 $url = trim($url); 288 if ($url != '') { 289 if ((!preg_match("/^http[s]*:\/\//i", $url)) && (!preg_match("/^ftp*:\/\//i", $url)) && (!preg_match("/^ed2k*:\/\//i", $url)) ) { 290 $url = 'http://'.$url; 291 } 292 } 293 return $url; 294 } 295 296 /* 297 * Function to display banners in all pages 298 */ 299 function showbanner() 300 { 301 echo xoops_getbanner(); 302 } 303 304 /* 305 * Function to get banner html tags for use in templates 306 */ 307 function xoops_getbanner() 308 { 309 global $xoopsConfig; 310 $db =& Database::getInstance(); 311 $bresult = $db->query("SELECT COUNT(*) FROM ".$db->prefix("banner")); 312 list ($numrows) = $db->fetchRow($bresult); 313 if ( $numrows > 1 ) { 314 $numrows = $numrows-1; 315 mt_srand((double)microtime()*1000000); 316 $bannum = mt_rand(0, $numrows); 317 } else { 318 $bannum = 0; 319 } 320 if ( $numrows > 0 ) { 321 $bresult = $db->query("SELECT * FROM ".$db->prefix("banner"), 1, $bannum); 322 list ($bid, $cid, $imptotal, $impmade, $clicks, $imageurl, $clickurl, $date, $htmlbanner, $htmlcode) = $db->fetchRow($bresult); 323 if ($xoopsConfig['my_ip'] == xoops_getenv('REMOTE_ADDR')) { 324 // EMPTY 325 } else { 326 $db->queryF(sprintf("UPDATE %s SET impmade = impmade+1 WHERE bid = %u", $db->prefix("banner"), $bid)); 327 } 328 /* Check if this impression is the last one and print the banner */ 329 if ( $imptotal == $impmade ) { 330 $newid = $db->genId($db->prefix("bannerfinish")."_bid_seq"); 331 $sql = sprintf("INSERT INTO %s (bid, cid, impressions, clicks, datestart, dateend) VALUES (%u, %u, %u, %u, %u, %u)", $db->prefix("bannerfinish"), $newid, $cid, $impmade, $clicks, $date, time()); 332 $db->queryF($sql); 333 $db->queryF(sprintf("DELETE FROM %s WHERE bid = %u", $db->prefix("banner"), $bid)); 334 } 335 if ($htmlbanner){ 336 $bannerobject = $htmlcode; 337 }else{ 338 $bannerobject = '<div><a href="'.XOOPS_URL.'/banners.php?op=click&bid='.$bid.'" target="_blank">'; 339 if (stristr($imageurl, '.swf')) { 340 $bannerobject = $bannerobject 341 .'<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,40,0" width="468" height="60">' 342 .'<param name="movie" value="'.$imageurl.'"></param>' 343 .'<param name="quality" value="high"></param>' 344 .'<embed src="'.$imageurl.'" quality="high" pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" type="application/x-shockwave-flash" width="468" height="60">' 345 .'</embed>' 346 .'</object>'; 347 } else { 348 $bannerobject = $bannerobject.'<img src="'.$imageurl.'" alt="" />'; 349 } 350 351 $bannerobject = $bannerobject.'</a></div>'; 352 } 353 return $bannerobject; 354 } 355 } 356 357 /* 358 * Function to redirect a user to certain pages 359 */ 360 function redirect_header($url, $time = 3, $message = '', $addredirect = true) 361 { 362 global $xoopsConfig, $xoopsRequestUri, $xoopsLogger, $xoopsUserIsAdmin; 363 if ( preg_match( "/[\\0-\\31]|about:|script:/i", $url) ) { 364 if (!preg_match('/^\b(java)?script:([\s]*)history\.go\(-[0-9]*\)([\s]*[;]*[\s]*)$/si', $url) ) { 365 $url = XOOPS_URL; 366 } 367 } 368 if (defined('XOOPS_CPFUNC_LOADED')) { 369 $theme = 'default'; 370 } else { 371 $theme = $xoopsConfig['theme_set']; 372 } 373 374 require_once XOOPS_ROOT_PATH . '/class/template.php'; 375 require_once XOOPS_ROOT_PATH . '/class/theme.php'; 376 377 $xoopsThemeFactory =& new xos_opal_ThemeFactory(); 378 $xoopsThemeFactory->allowedThemes = $xoopsConfig['theme_set_allowed']; 379 $xoopsThemeFactory->defaultTheme = $theme; 380 $xoTheme =& $xoopsThemeFactory->createInstance(array("plugins" => array())); 381 $xoopsTpl =& $xoTheme->template; 382 383 $xoopsTpl->assign( array( 384 'xoops_theme' => $theme, 385 'xoops_imageurl' => XOOPS_THEME_URL.'/'.$theme.'/', 386 'xoops_themecss'=> xoops_getcss($theme), 387 'xoops_requesturi' => htmlspecialchars( $_SERVER['REQUEST_URI'], ENT_QUOTES), 388 'xoops_sitename' => htmlspecialchars($xoopsConfig['sitename'], ENT_QUOTES), 389 'xoops_slogan' => htmlspecialchars($xoopsConfig['slogan'], ENT_QUOTES), 390 'xoops_dirname' => @$xoopsModule ? $xoopsModule->getVar( 'dirname' ) : 'system', 391 'xoops_banner' => $xoopsConfig['banners'] ? xoops_getbanner() : ' ', 392 'xoops_pagetitle' => isset($xoopsModule) && is_object($xoopsModule) ? $xoopsModule->getVar('name') : htmlspecialchars( $xoopsConfig['slogan'], ENT_QUOTES ), 393 ) ); 394 395 if ($xoopsConfig['debug_mode'] == 2 && $xoopsUserIsAdmin) { 396 $xoopsTpl->assign('time', 300); 397 $xoopsTpl->assign('xoops_logdump', $xoopsLogger->dump()); 398 } else { 399 $xoopsTpl->assign('time', intval($time)); 400 } 401 if ($xoopsRequestUri && $addredirect && strstr($url, 'user.php')) { 402 if (!strstr($url, '?')) { 403 $url .= '?xoops_redirect='.urlencode($xoopsRequestUri); 404 } else { 405 $url .= '&xoops_redirect='.urlencode($xoopsRequestUri); 406 } 407 } 408 if (defined('SID') && SID && (! isset($_COOKIE[session_name()]) || ($xoopsConfig['use_mysession'] && $xoopsConfig['session_name'] != '' && !isset($_COOKIE[$xoopsConfig['session_name']])))) { 409 if (!strstr($url, '?')) { 410 $url .= '?' . SID; 411 } else { 412 $url .= '&'.SID; 413 } 414 } 415 $url = preg_replace("/&/i", '&', htmlspecialchars($url, ENT_QUOTES)); 416 $xoopsTpl->assign('url', $url); 417 $message = trim($message) != '' ? $message : _TAKINGBACK; 418 $xoopsTpl->assign('message', $message); 419 $xoopsTpl->assign('lang_ifnotreload', sprintf(_IFNOTRELOAD, $url)); 420 $xoopsTpl->display('db:system_redirect.html'); 421 exit(); 422 } 423 424 function xoops_getenv($key) 425 { 426 $ret = ''; 427 //$phpv = explode(".", PHP_VERSION); 428 //if ($phpv[0] > 3 && $phpv[1] > 0) { 429 // $ret = isset($_SERVER[$key]) ? $_SERVER[$key] : $_ENV[$key]; 430 //} else { 431 $ret = isset($_SERVER[$key]) ? $_SERVER[$key] : $_ENV[$key]; 432 //} 433 return $ret; 434 } 435 436 /* 437 * This function is deprecated. Do not use! 438 */ 439 function getTheme() 440 { 441 return $GLOBALS['xoopsConfig']['theme_set']; 442 } 443 444 /* 445 * Function to get css file for a certain theme 446 * This function will be deprecated. 447 */ 448 function getcss($theme = '') 449 { 450 return xoops_getcss($theme); 451 } 452 453 /* 454 * Function to get css file for a certain themeset 455 */ 456 function xoops_getcss($theme = '') 457 { 458 if ($theme == '') { 459 $theme = $GLOBALS['xoopsConfig']['theme_set']; 460 } 461 $uagent = xoops_getenv('HTTP_USER_AGENT'); 462 if (stristr($uagent, 'mac')) { 463 $str_css = 'styleMAC.css'; 464 } elseif (preg_match("/MSIE ([0-9]\.[0-9]{1,2})/i", $uagent)) { 465 $str_css = 'style.css'; 466 } else { 467 $str_css = 'styleNN.css'; 468 } 469 if (is_dir(XOOPS_THEME_PATH.'/'.$theme)) { 470 if (file_exists(XOOPS_THEME_PATH.'/'.$theme.'/'.$str_css)) { 471 return XOOPS_THEME_URL.'/'.$theme.'/'.$str_css; 472 } elseif (file_exists(XOOPS_THEME_PATH.'/'.$theme.'/style.css')) { 473 return XOOPS_THEME_URL.'/'.$theme.'/style.css'; 474 } 475 } 476 if (is_dir(XOOPS_THEME_PATH.'/'.$theme . '/css')) { 477 if (file_exists(XOOPS_THEME_PATH.'/'.$theme.'/css/'.$str_css)) { 478 return XOOPS_THEME_URL.'/'.$theme.'/css/'.$str_css; 479 } elseif (file_exists(XOOPS_THEME_PATH.'/'.$theme.'/css/style.css')) { 480 return XOOPS_THEME_URL.'/'.$theme.'/css/style.css'; 481 } 482 } 483 return ''; 484 } 485 486 function &getMailer() 487 { 488 global $xoopsConfig; 489 $inst = false; 490 include_once XOOPS_ROOT_PATH."/class/xoopsmailer.php"; 491 if ( file_exists(XOOPS_ROOT_PATH."/language/".$xoopsConfig['language']."/xoopsmailerlocal.php") ) { 492 include_once XOOPS_ROOT_PATH."/language/".$xoopsConfig['language']."/xoopsmailerlocal.php"; 493 if ( class_exists("XoopsMailerLocal") ) { 494 $inst =& new XoopsMailerLocal(); 495 } 496 } 497 if ( !$inst ) { 498 $inst =& new XoopsMailer(); 499 } 500 return $inst; 501 } 502 503 function &xoops_gethandler($name, $optional = false ) 504 { 505 static $handlers; 506 $name = strtolower(trim($name)); 507 if (!isset($handlers[$name])) { 508 if ( file_exists( $hnd_file = XOOPS_ROOT_PATH.'/kernel/'.$name.'.php' ) ) { 509 require_once $hnd_file; 510 } 511 $class = 'Xoops'.ucfirst($name).'Handler'; 512 if (class_exists($class)) { 513 $handlers[$name] =& new $class($GLOBALS['xoopsDB']); 514 } 515 } 516 if (!isset($handlers[$name]) && !$optional ) { 517 trigger_error('Class <b>'.$class.'</b> does not exist<br />Handler Name: '.$name, E_USER_ERROR); 518 } 519 if ( isset($handlers[$name]) ) { 520 return $handlers[$name]; 521 } 522 $inst = false; 523 return $inst; 524 } 525 526 function &xoops_getmodulehandler($name = null, $module_dir = null, $optional = false) 527 { 528 static $handlers; 529 // if $module_dir is not specified 530 if (!isset($module_dir)) { 531 //if a module is loaded 532 if (isset($GLOBALS['xoopsModule']) && is_object($GLOBALS['xoopsModule'])) { 533 $module_dir = $GLOBALS['xoopsModule']->getVar('dirname'); 534 } else { 535 trigger_error('No Module is loaded', E_USER_ERROR); 536 } 537 } else { 538 $module_dir = trim($module_dir); 539 } 540 $name = (!isset($name)) ? $module_dir : trim($name); 541 if (!isset($handlers[$module_dir][$name])) { 542 if ( file_exists( $hnd_file = XOOPS_ROOT_PATH . "/modules/{$module_dir}/class/{$name}.php" ) ) { 543 include_once $hnd_file; 544 } 545 $class = ucfirst(strtolower($module_dir)).ucfirst($name).'Handler'; 546 if (class_exists($class)) { 547 $handlers[$module_dir][$name] =& new $class($GLOBALS['xoopsDB']); 548 } 549 } 550 if (!isset($handlers[$module_dir][$name]) && !$optional) { 551 trigger_error('Handler does not exist<br />Module: '.$module_dir.'<br />Name: '.$name, E_USER_ERROR); 552 } 553 if ( isset($handlers[$module_dir][$name]) ) { 554 return $handlers[$module_dir][$name]; 555 } 556 $inst = false; 557 return $inst; 558 559 } 560 561 function xoops_getrank($rank_id =0, $posts = 0) 562 { 563 $db =& Database::getInstance(); 564 $myts =& MyTextSanitizer::getInstance(); 565 $rank_id = intval($rank_id); 566 if ($rank_id != 0) { 567 $sql = "SELECT rank_title AS title, rank_image AS image FROM ".$db->prefix('ranks')." WHERE rank_id = ".$rank_id; 568 } else { 569 $sql = "SELECT rank_title AS title, rank_image AS image FROM ".$db->prefix('ranks')." WHERE rank_min <= ".$posts." AND rank_max >= ".$posts." AND rank_special = 0"; 570 } 571 $rank = $db->fetchArray($db->query($sql)); 572 $rank['title'] = $myts->makeTboxData4Show($rank['title']); 573 $rank['id'] = $rank_id; 574 return $rank; 575 } 576 577 578 /** 579 * Returns the portion of string specified by the start and length parameters. If $trimmarker is supplied, it is appended to the return string. This function works fine with multi-byte characters if mb_* functions exist on the server. 580 * 581 * @param string $str 582 * @param int $start 583 * @param int $length 584 * @param string $trimmarker 585 * 586 * @return string 587 */ 588 function xoops_substr($str, $start, $length, $trimmarker = '...') 589 { 590 if ( !XOOPS_USE_MULTIBYTES ) { 591 return ( strlen($str) - $start <= $length ) ? substr( $str, $start, $length ) : substr( $str, $start, $length - strlen($trimmarker) ) . $trimmarker; 592 } 593 if (function_exists('mb_internal_encoding') && @mb_internal_encoding(_CHARSET)) { 594 $str2 = mb_strcut( $str , $start , $length - strlen( $trimmarker ) ); 595 return $str2 . ( mb_strlen($str)!=mb_strlen($str2) ? $trimmarker : '' ); 596 } 597 // phppp patch 598 $DEP_CHAR=127; 599 $pos_st=0; 600 $action = false; 601 for ( $pos_i = 0; $pos_i < strlen($str); $pos_i++ ) { 602 if ( ord( substr( $str, $pos_i, 1) ) > 127 ) { 603 $pos_i++; 604 } 605 if ($pos_i<=$start) { 606 $pos_st=$pos_i; 607 } 608 if ($pos_i>=$pos_st+$length) { 609 $action = true; 610 break; 611 } 612 } 613 return ($action) ? substr( $str, $pos_st, $pos_i - $pos_st - strlen($trimmarker) ) . $trimmarker : $str; 614 } 615 616 // RMV-NOTIFY 617 // ################ Notification Helper Functions ################## 618 619 // We want to be able to delete by module, by user, or by item. 620 // How do we specify this?? 621 622 function xoops_notification_deletebymodule ($module_id) 623 { 624 $notification_handler =& xoops_gethandler('notification'); 625 return $notification_handler->unsubscribeByModule ($module_id); 626 } 627 628 function xoops_notification_deletebyuser ($user_id) 629 { 630 $notification_handler =& xoops_gethandler('notification'); 631 return $notification_handler->unsubscribeByUser ($user_id); 632 } 633 634 function xoops_notification_deletebyitem ($module_id, $category, $item_id) 635 { 636 $notification_handler =& xoops_gethandler('notification'); 637 return $notification_handler->unsubscribeByItem ($module_id, $category, $item_id); 638 } 639 640 // ################### Comment helper functions #################### 641 642 function xoops_comment_count($module_id, $item_id = null) 643 { 644 $comment_handler =& xoops_gethandler('comment'); 645 $criteria = new CriteriaCompo(new Criteria('com_modid', intval($module_id))); 646 if (isset($item_id)) { 647 $criteria->add(new Criteria('com_itemid', intval($item_id))); 648 } 649 return $comment_handler->getCount($criteria); 650 } 651 652 function xoops_comment_delete($module_id, $item_id) 653 { 654 if (intval($module_id) > 0 && intval($item_id) > 0) { 655 $comment_handler =& xoops_gethandler('comment'); 656 $comments =& $comment_handler->getByItemId($module_id, $item_id); 657 if (is_array($comments)) { 658 $count = count($comments); 659 $deleted_num = array(); 660 for ($i = 0; $i < $count; $i++) { 661 if (false != $comment_handler->delete($comments[$i])) { 662 // store poster ID and deleted post number into array for later use 663 $poster_id = $comments[$i]->getVar('com_uid'); 664 if ($poster_id != 0) { 665 $deleted_num[$poster_id] = !isset($deleted_num[$poster_id]) ? 1 : ($deleted_num[$poster_id] + 1); 666 } 667 } 668 } 669 $member_handler =& xoops_gethandler('member'); 670 foreach ($deleted_num as $user_id => $post_num) { 671 // update user posts 672 $com_poster = $member_handler->getUser($user_id); 673 if (is_object($com_poster)) { 674 $member_handler->updateUserByField($com_poster, 'posts', $com_poster->getVar('posts') - $post_num); 675 } 676 } 677 return true; 678 } 679 } 680 return false; 681 } 682 683 // ################ Group Permission Helper Functions ################## 684 685 function xoops_groupperm_deletebymoditem($module_id, $perm_name, $item_id = null) 686 { 687 // do not allow system permissions to be deleted 688 if (intval($module_id) <= 1) { 689 return false; 690 } 691 $gperm_handler =& xoops_gethandler('groupperm'); 692 return $gperm_handler->deleteByModule($module_id, $perm_name, $item_id); 693 } 694 695 function xoops_utf8_encode(&$text) 696 { 697 if (XOOPS_USE_MULTIBYTES == 1) { 698 if (function_exists('mb_convert_encoding')) { 699 return mb_convert_encoding($text, 'UTF-8', 'auto'); 700 } 701 return $text; 702 } 703 return utf8_encode($text); 704 } 705 706 function xoops_convert_encoding(&$text) 707 { 708 return xoops_utf8_encode($text); 709 } 710 711 function xoops_getLinkedUnameFromId($userid) 712 { 713 $userid = intval($userid); 714 if ($userid > 0) { 715 $member_handler =& xoops_gethandler('member'); 716 $user =& $member_handler->getUser($userid); 717 if (is_object($user)) { 718 $linkeduser = '<a href="'.XOOPS_URL.'/userinfo.php?uid='.$userid.'">'. $user->getVar('uname').'</a>'; 719 return $linkeduser; 720 } 721 } 722 return $GLOBALS['xoopsConfig']['anonymous']; 723 } 724 725 function xoops_trim($text) 726 { 727 if (function_exists('xoops_language_trim')) { 728 return xoops_language_trim($text); 729 } 730 return trim($text); 731 } 732 ?>
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| Généré le : Sun Nov 25 11:44:32 2007 | par Balluche grâce à PHPXref 0.7 |
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