PHP 网站SEO及过滤类的解决办法
内容摘要
这篇文章主要为大家详细介绍了PHP 网站SEO及过滤类的简单示例，具有一定的参考价值，可以用来参考一下。
对此感兴趣的朋友，看看idc笔记做的技术笔记。经测试代码如下：
/**
*
对此感兴趣的朋友，看看idc笔记做的技术笔记。经测试代码如下：
/**
*
文章正文
这篇文章主要为大家详细介绍了PHP 网站SEO及过滤类的简单示例，具有一定的参考价值，可以用来参考一下。
对此感兴趣的朋友，看看idc笔记做的技术笔记。经测试代码如下：1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 | <code class="php">/** * 网站SEO及过滤类 * * @param * @author php教程 www.idcnote.com **/class SeoTools{ public function friendlyURL($string, $replacement = '-') { $map = array( '/à|á|å|â|ä/' => 'a', '/è|é|ê|ẽ|ë/' => 'e', '/ì|í|î/' => 'i', '/ò|ó|ô|ø/' => 'o', '/ù|ú|ů|û/' => 'u', '/ç|č/' => 'c', '/ñ|ň/' => 'n', '/ľ/' => 'l', '/ý/' => 'y', '/ť/' => 't', '/ž/' => 'z', '/š/' => 's', '/æ/' => 'ae', '/ö/' => 'oe', '/ü/' => 'ue', '/Ä/' => 'Ae', '/Ü/' => 'Ue', '/Ö/' => 'Oe', '/ß/' => 'ss', '/ /'=>' ', '/ /'=>'', '/～|·|！|@|#|￥|%|…|&|×|（|）|-|\+|=|『|【|』|】|、|:|；|“|”|\'|《|，|》|。|？|\/|—|_|：|√|＜|°|丶|＞|－|★|｜|│|‖|ˇ/'=>' ', '/[^\w\s\x80-\xff]/' => ' ', '/\\s+/' => $replacement ); $string = trim($string); $string = preg_replace(array_keys($map), array_values($map), $string); $string = preg_replace('/\\s+/',$replacement, strtolower($string)); $string = trim($string,$replacement); return $string; } //判断email public function isEmail($mailAddr) { return strlen($mailAddr) > 6 && preg_match("/^[\w\-\.]+@[\w\-]+(\.\w+)+$/", $mailAddr); } //过滤用户 public function CheckUser($string,$replacement = '_') { $map = array( '/à|á|å|â|ä/' => 'a', '/è|é|ê|ẽ|ë/' => 'e', '/ì|í|î/' => 'i', '/ò|ó|ô|ø/' => 'o', '/ù|ú|ů|û/' => 'u', '/ç|č/' => 'c', '/ñ|ň/' => 'n', '/ľ/' => 'l', '/ý/' => 'y', '/ť/' => 't', '/ž/' => 'z', '/š/' => 's', '/æ/' => 'ae', '/ö/' => 'oe', '/ü/' => 'ue', '/Ä/' => 'Ae', '/Ü/' => 'Ue', '/Ö/' => 'Oe', '/ß/' => 'ss', '/ /'=>' ', '/ /'=>'', '/～|·|！|@|#|￥|%|…|&|×|（|）|-|\+|=|『|【|』|】|、|:|；|“|”|\'|《|，|》|。|？|\/|—|_|：|√|＜|°|丶|＞|－|★|｜|│|‖|ˇ/'=>' ', '/[^\w\s\x80-\xff]/' => ' ', '/\\s+/' => $replacement ); $string = trim($string); $string = preg_replace(array_keys($map), array_values($map), $string); $string = preg_replace('/\\s+/',$replacement, strtolower($string)); $string = trim($string,$replacement); return $string; } public function mktitle($string, $replacement = '_') { $map = array( '/à|á|å|â|ä/' => 'a', '/è|é|ê|ẽ|ë/' => 'e', '/ì|í|î/' => 'i', '/ò|ó|ô|ø/' => 'o', '/ù|ú|ů|û/' => 'u', '/ç|č/' => 'c', '/ñ|ň/' => 'n', '/ľ/' => 'l', '/ý/' => 'y', '/ť/' => 't', '/ž/' => 'z', '/š/' => 's', '/æ/' => 'ae', '/ö/' => 'oe', '/ü/' => 'ue', '/Ä/' => 'Ae', '/Ü/' => 'Ue', '/Ö/' => 'Oe', '/ß/' => 'ss', '/ /'=>' ', '/ /'=>'', '/～|·|！|@|#|￥|%|…|&|×|（|）|-|\+|=|『|【|』|】|、|:|；|“|”|\'|《|，|》|。|？|\/|—|_|：|√|＜|°|丶|＞|－|★|｜|│|‖|ˇ/'=>' ', '/[^\w\s^.\x80-\xff]/' => ' ', '/\\s+/' => $replacement ); $string = trim($string); $string = preg_replace(array_keys($map), array_values($map), $string); $string = preg_replace('/\\s+/',$replacement, strtolower($string)); $string = trim($string,$replacement); return $string; } // 全角替换成半角 public function Qj2bj($string) { $qj2bj = array( '１' => '1', '２' => '2', '３' => '3', '４' => '4', '５' => '5', '６' => '6', '７' => '7', '８' => '8', '９' => '9', '０' => '0', 'ａ' => 'a', 'ｂ' => 'b', 'ｃ' => 'c', 'ｄ' => 'd', 'ｅ' => 'e', 'ｆ' => 'f', 'ｇ' => 'g', 'ｈ' => 'h', 'ｉ' => 'i', 'ｊ' => 'j', 'ｋ' => 'k', 'ｌ' => 'l', 'ｍ' => 'm', 'ｎ' => 'n', 'ｏ' => 'o', 'ｐ' => 'p', 'ｑ' => 'q', 'ｒ' => 'r', 'ｓ' => 's', 'ｔ' => 't', 'ｕ' => 'u', 'ｖ' => 'v', 'ｗ' => 'w', 'ｘ' => 'x', 'ｙ' => 'y', 'ｚ' => 'z', 'Ａ' => 'A', 'Ｂ' => 'B', 'Ｃ' => 'C', 'Ｄ' => 'D', 'Ｅ' => 'E', 'Ｆ' => 'F', 'Ｇ' => 'G', 'Ｈ' => 'H', 'Ｉ' => 'I', 'Ｊ' => 'J', 'Ｋ' => 'K', 'Ｌ' => 'L', 'Ｍ' => 'M', 'Ｎ' => 'N', 'Ｏ' => 'O', 'Ｐ' => 'P', 'Ｑ' => 'Q', 'Ｒ' => 'R', 'Ｓ' => 'S', 'Ｔ' => 'T', 'Ｕ' => 'U', 'Ｖ' => 'V', 'Ｗ' => 'W', 'Ｘ' => 'X', 'Ｙ' => 'Y', 'Ｚ' => 'Z', ' ' => ' ' ); return strtr($string, $qj2bj); } public function DelNbsp($string) { $map = array( '/ /'=>' ', '/\?/'=>' ', '/ /'=>'', ); $string = preg_replace(array_keys($map), array_values($map), $string); $string = preg_replace('/\\s+/','',$string); return $string; } public function getZipcode($str) { $pattern = "/[0-9]{1}(\d+){4,5}/"; preg_match_all($pattern,$str,$zipcodeArr); if(empty($zipcodeArr[0])) { return ''; } else { return $zipcodeArr[0][0]; } } public function checkZipcode($str) { $strwidth=strlen($str); $zipcode=$str; switch($strwidth) { case 4:$zipcode="00".$str;break; case 5:$zipcode="0".$str;break; case 6:$zipcode=$str;break; default:$zipcode="";break; } return $zipcode; } public function getEmail($str) { $pattern = "/\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*/i"; preg_match_all($pattern,$str,$emailArr); if(empty($emailArr[0])) { return ''; } else { $email_str=implode(",", $emailArr[0]); return $email_str; } } public function getUrl($str) { $pattern = "/(http:\/\/|https:\/\/|ftp:\/\/)?([\w:\/\.\?=&-_]+)/is"; preg_match_all($pattern,$str,$urlArr); if(empty($urlArr[0])) { return ''; } else { $url_str=implode(",", $urlArr[0]); $url_str=preg_replace('/(http:\/\/|https:\/\/|ftp:\/\/)/','',$url_str); return $url_str; } } public function match_links($document) { $match=array(); preg_match_all("'<\s*a\s.*?href\s*=\s*([\"\'])?(?(1)(.*?)\\1|([^\s\>]+))[^>]*>?(.*?)</a>'isx",$document,$links); while(list($key,$val) = each($links[2])) { if(!empty($val)) $match['link'][] = $val; } while(list($key,$val) = each($links[3])) { if(!empty($val)) $match['link'][] = $val; } while(list($key,$val) = each($links[4])) { if(!empty($val)) $match['content'][] = $val; } while(list($key,$val) = each($links[0])) { if(!empty($val)) $match['all'][] = $val; } return $match; } public function DelNoStr($string) { $map = array( '/à|á|å|â|ä/' => 'a', '/è|é|ê|ẽ|ë/' => 'e', '/ì|í|î/' => 'i', '/ò|ó|ô|ø/' => 'o', '/ù|ú|ů|û/' => 'u', '/ç|č/' => 'c', '/ñ|ň/' => 'n', '/ľ/' => 'l', '/ý/' => 'y', '/ť/' => 't', '/ž/' => 'z', '/š/' => 's', '/æ/' => 'ae', '/ö/' => 'oe', '/ü/' => 'ue', '/Ä/' => 'Ae', '/Ü/' => 'Ue', '/Ö/' => 'Oe', '/ß/' => 'ss', '/ /'=>' ', '/ /'=>'', '/～|·|！|@|#|￥|%|…|&|×|（|）|-|\+|=|『|【|』|】|、|:|；|“|”|’|《|，|》|。|？|\/|—|_|‘|：|√|＜|°|丶|ˇ/'=>' ', '/[^\w\s\x80-\xff]/' => ' ', // '/\\s+/' => $replacement ); $string = trim($string); $string = preg_replace(array_keys($map), array_values($map), $string); $string = preg_replace('/\\s+/','',$string); $string = trim($string,''); return $string; } public function UrlToStr($string, $find = '/-/') { $string = preg_replace($find," ", strtolower($string)); $string = trim($string); return $string; } public function GetPyLetter($str) { return substr(pinyin($str, $ucfirst=true), 0,1); } public function GetPinYin($str) { return strtolower(pinyin($str, $ucfirst=true)); } public function DelCode($str) { $search = array("'<script[^>]*?>.*?</script>'si", // strip out javascript "'<[\/\!]*?[^<>]*?>'si", // strip out html tags "'([\r\n])[\s]+'", // strip out white space "'&(quot|#34|#034|#x22);'i", // replace html entities "'&(amp|#38|#038|#x26);'i", // added hexadecimal values "'&(lt|#60|#060|#x3c);'i", "'&(gt|#62|#062|#x3e);'i", "'&(nbsp|#160|#xa0);'i", "'&(iexcl|#161);'i", "'&(cent|#162);'i", "'&(pound|#163);'i", "'&(copy|#169);'i", "'&(reg|#174);'i", "'&(deg|#176);'i", "'&(#39|#039|#x27);'", "'&(euro|#8364);'i", // europe "'&a(uml|UML);'", // german "'&o(uml|UML);'", "'&u(uml|UML);'", "'&A(uml|UML);'", "'&O(uml|UML);'", "'&U(uml|UML);'", "'ß'i", ); $replace = array("", "", "\\1", "\"", "&", "<", ">", " ", chr(161), chr(162), chr(163), chr(169), chr(174), chr(176), chr(39), chr(128), "?", "?", "?", "?", "?", "?", "?", ); $str = preg_replace($search,$replace,$str); return trim($str); } public function CutStr($sourcestr,$cutlength) { $returnstr=''; $i=0; $n=0; $sourcestr=rtrim(SeoTools::DelCode($sourcestr)); $str_length=strlen($sourcestr);//字符串的字节数 while (($n<$cutlength) and ($i<=$str_length)) { $temp_str=substr($sourcestr,$i,1); $ascnum=Ord($temp_str);//得到字符串中第$i位字符的ascii码 if ($ascnum>=224) //如果ASCII位高与224， { $returnstr=$returnstr.substr($sourcestr,$i,3); //根据UTF-8编码规范，将3个连续的字符计为单个字符 $i=$i+3; //实际Byte计为3 $n++; //字串长度计1 } elseif ($ascnum>=192) //如果ASCII位高与192， { $returnstr=$returnstr.substr($sourcestr,$i,2); //根据UTF-8编码规范，将2个连续的字符计为单个字符 $i=$i+2; //实际Byte计为2 $n++; //字串长度计1 } elseif ($ascnum>=65 && $ascnum<=90) //如果是大写字母， { $returnstr=$returnstr.substr($sourcestr,$i,1); $i=$i+1; //实际的Byte数仍计1个 $n++; //但考虑整体美观，大写字母计成一个高位字符 } else //其他情况下，包括小写字母和半角标点符号， { $returnstr=$returnstr.substr($sourcestr,$i,1); $i=$i+1; //实际的Byte数计1个 $n=$n+0.5; //小写字母和半角标点等与半个高位字符宽... } } if ($str_length>$i){ $returnstr = $returnstr . ".";//超过长度时在尾处加上省略号 } return htmlspecialchars($returnstr); } public function CreateTagLink($tags_str) { $tags_array=explode(",",$tags_str); $link_tpl=""; foreach($tags_array as $v) { $tag=trim($v); $alias=SeoTools::friendlyURL($tag); // $link_tpl.='<a href="/s/'.urlencode($alias).'" title="'.$tag."">'.$tag.'</a> '; $link_tpl.=$tag.' '; } return $link_tpl; } } /** * 中文转拼类 * * @author Lukin <my@lukin.cn> * @date 2011-01-25 10:44 */class PinYin { // 码表 private $fp = null; private $dat = 'pinyin.dat'; public function __construct(){ $this->dat = dirname(__FILE__).'/'.$this->dat; if (is_file($this->dat)) { $this->fp = fopen($this->dat, 'rb'); } } /** * 转拼音 * * @param string $str 汉字 * @param bool $ucfirst 首字母大写 * @param bool $polyphony 忽略多读音 * @return string */ public function encode($str, $ucfirst=true, $polyphony=true) { $ret = ''; $len = mb_strlen($str, 'UTF-8'); for ($i = 0; $i < $len; $i++) { $py = $this->pinyin(mb_substr($str, $i, 1, 'UTF-8')); if ($ucfirst && strpos($py,',') !== false) { $pys = explode(',', $py); $ret.= implode(',', array_map('ucfirst', ($polyphony ? array_slice($pys, 0, 1) : $pys))); } else { $ret.= $ucfirst ? ucfirst($py) : $py; } } return $ret; } /** * 汉字转十进制 * * @param string $word * @return number */ private function char2dec($word) { $bins = ''; $chars = str_split($word); foreach($chars as $char) $bins.= decbin(ord($char)); $bins = preg_replace('/^.{4}(.{4}).{2}(.{6}).{2}(.{6})$/', '$1$2$3', $bins); return bindec($bins); } /** * 单个字转拼音 * * @param string $char 汉字 * @return string */ public function pinyin($char){ if (strlen($char) == 3 && $this->fp) { $offset = $this->char2dec($char); // 判断 off 值 if ($offset >= 0) { fseek($this->fp, ($offset - 19968) << 4, SEEK_SET); return trim(fread($this->fp, 16)); } } return $char; } public function __destruct() { if ($this->fp) { fclose($this->fp); } }}/** * 取得实例 * * @return $pinyin */function &_pinyin_get_object() { static $pinyin; if ( is_null($pinyin) ) $pinyin = new PinYin(); return $pinyin;}if (!function_exists('pinyin')) :/** * 取得拼音 * * @param string $str * @param bool $ucfirst 首字母大写 * @return string */function pinyin($str, $ucfirst=true) { $py = _pinyin_get_object(); return $py->encode($str, $ucfirst);}endif;/*** 代码来自php教程（www.idcnote.com） ***/</code> |
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作者：喵哥笔记
