Share a PHP website SEO and filtering class for ease of use-PHP source code

Some functions are used for SEO on website pages. For example, functions such as good URL generation, user name filtering, email detection, string truncation, full-width replacement with half-width, and html deletion are used in SEO for website pages.
For example: good URL generation, user name filtering, email detection, string truncation, full-width replacement with half-width, html deletion, etc.

1. [PHP] code

 'A', '/é | percent/' => 'e', '/percent | í | percent/' => 'I ', '/Upper | ó | lower | ø/' => 'O', '/lower | ú| lower | lower/' => 'u ', '/c | response/' => 'C', '/n | response/' => 'N', '/response/' => 'L ', '/keys/' => 'y', '/keys/' => 'T', '/keys/' => 'Z ', '/â/' =>'s ','/queues/'=>' AE ','/ö/ '=> 'Oe ', '/u/' => 'ue ','/ä/ '=>' AE ','/u/'=> 'ue ', '/ö/' => 'Oe ','/Lower/'=> 'SS',' // '=> '',' // '=> '', '/~ | · |! | @ | # | ￥ | % |... | & | × | (|) |-| \ + | = | '| [|' |] |, |: |; | "|" | \ '|, | "|. |? | \/|-| _ |: | √ | <| ° |, |> |-|★| │ | ‖ | Forward/'=> '','/[^ \ 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;} // determines the email public function isEmail ($ mailAddr) {return strlen ($ mailAddr)> 6 & preg_match ("/^ [\ w \-\.] + @ [\ w \ -] + (\. \ W +) + $/", $ mailAddr);} // filter the public function CheckUser ($ string, $ replacement = '_') {$ map = array ('/à | á | upper | â | ä/' => 'A ', '/è | é | percent/' => 'e', '/percent | í | percent/' => 'I ', '/Upper | ó | lower | ø/' => 'O', '/lower | ú| lower | lower/' => 'u ', '/c | response/' => 'C', '/n | response/' => 'N', '/response/' => 'L ', '/keys/' => 'y', '/keys/' => 'T', '/keys/' => 'Z ', '/â/' =>'s ','/queues/'=>' AE ','/ö/ '=> 'Oe ', '/u/' => 'ue ','/ä/ '=>' AE ','/u/'=> 'ue ', '/ö/' => 'Oe ', '/Outputs/' => 'SS', '//' => '', '//' => '','/~ | · |! | @ | # | ￥ | % |... | & | × | (|) |-| \ + | = | '| [|' |] |, |: |; | "|" | \ '|, | "|. |? | \/|-| _ |: | √ | <| ° |, |> |-|★| │ | ‖ | Forward/'=> '','/[^ \ 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 | upper | â | ä/' => 'A', '/è | é | lower/' => 'E', '/region | í | region/' => 'I', '/region | ó | percent | ø/' => 'O ', '/province | ú| province | province/' => 'u', '/ç| province/' => 'C ', '/n | random/' => 'n' ','/random/'=> 'L','/random/'=> 'y ', '/outputs/' => 'T','/outputs/'=> 'Z','/comment/'=>' s ', '/outputs/' => 'AE', '/ö/' => 'Oe ','/u/'=> 'ue ', '/ä/' => 'AE', '/u/' => 'ue ','/ö/ '=> 'Oe ', '/outputs/' => 'SS', '//' => '', '//' => '','/~ | · |! | @ | # | ￥ | % |... | & | × | (|) |-| \ + | = | '| [|' |] |, |: |; | "|" | \ '|, | "|. |? | \/|-| _ |: | √ | <| ° |, |> |-|★| │ | ‖ | Percent/'=> '','/[^ \ 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;} // replace the width with the width of 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 \>] +) [^>] *>? (.*?) '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 | upper | â | ä/' => 'A ', '/è | é | percent/' => 'e', '/percent | í | percent/' => 'I ', '/Upper | ó | lower | ø/' => 'O', '/lower | ú| lower | lower/' => 'u ', '/c | response/' => 'C', '/n | response/' => 'N', '/response/' => 'L ', '/keys/' => 'y', '/keys/' => 'T', '/keys/' => 'Z ', '/â/' =>'s ','/queues/'=>' AE ','/ö/ '=> 'Oe ', '/u/' => 'ue ','/ä/ '=>' AE ','/u/'=> 'ue ', '/ö/' => 'Oe ',' /Outputs/'=> 'SS',' // '=> '',' // '=> '','/~ | · |! | @ | # | ￥ | % |... | & | × | (|) |-| \ + | = | '| [|' |] |, |: |; | "|" | '|, | "|. |? | \/|-| _ | '|: | √ | <| ° |, | Bytes/' => '', '/[^ \ 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 '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); '"," 'region' 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); // Number of bytes of the string while ($ n <$ cutlength) and ($ I <= $ str_length )) {$ temp_str = substr ($ sourcestr, $ I, 1); $ ascnum = Ord ($ temp_str ); // Obtain the ascii code of the $ I character in the string if ($ ascnum> = 224) // if the ASCII bit height is 224, {$ returnstr = $ returnstr. substr ($ sourcestr, $ I, 3); // count three consecutive characters as a single character according to the UTF-8 encoding specification $ I = $ I + 3; // The actual bytes are calculated as 3 $ n ++; // string length sensor 1} elseif ($ ascnum> = 192) // if the ASCII bit height is 192, {$ returnstr = $ returnstr. substr ($ sourcestr, $ I, 2); // Count 2 consecutive characters as a single character according to the UTF-8 encoding specification $ I = $ I + 2; // The actual Byte is calculated as 2 $ n ++; // string length gauge 1} elseif ($ ascnum> = 65 & $ ascnum <= 90) // if it is a capital letter, {$ returnstr = $ returnstr. substr ($ sourcestr, $ I, 1); $ I = $ I + 1; // The actual number of bytes is still 1 $ n ++; // but consider the overall appearance. uppercase letters are counted as a high character} else // In other cases, including lowercase letters and halfwidth punctuation marks, {$ returnstr = $ returnstr. substr ($ sourcestr, $ I, 1); $ I = $ I + 1; // The actual number of bytes is 1 $ n = $ n + 0.5; // lower-case letters, Halfwidth punctuation marks, and half-width upper-limit characters ...}} if ($ str_length> $ I) {$ returnstr = $ returnstr. ". "; // when the length is exceeded, add the ellipsis} 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. = ''. $ tag. ''; $ link_tpl. = $ tag. '';} return $ link_tpl;}/*** conversion class ** @ author Lukin
  
   
* @ Date */class PinYin {// code table 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 ');}} /*** convert Pinyin ** @ param string $ str Chinese character * @ param bool $ upper letter of ucfirst * @ param bool $ polyphony ignore multiple pronunciations * @ 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 ;} /*** convert Chinese characters to decimal characters ** @ 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 );} /*** convert a single character to pinyin ** @ param string $ char Chinese character * @ return string */public function Pinyin ($ char) {if (strlen ($ char) = 3 & $ this-> fp) {$ offset = $ this-> char2dec ($ char ); // Determine the off value 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) ;}}/*** obtain the instance ** @ return $ pinyin */function & _ pinyin_get_object () {static $ pinyin; if (is_null ($ pinyin) $ Pinyin = new PinYin (); return $ pinyin;} if (! Function_exists ('Pinin ')): /*** obtain pinyin ** @ param string $ str * @ param bool $ upper letter of ucfirst * @ return string */function pinyin ($ str, $ ucfirst = true) {$ py = _ pinyin_get_object (); return $ py-> encode ($ str, $ ucfirst);} endif;
  
 

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