[PHP] function 3

// Obtain the current Script URL
Copy codeThe Code is as follows:
Function get_php_url (){
If (! Empty ($ _ server ["REQUEST_URI"]) {
$ ScriptName = $ _ SERVER ["REQUEST_URI"];
$ Nowurl = $ scriptName;
} Else {
$ ScriptName = $ _ SERVER ["PHP_SELF"];
If (empty ($ _ SERVER ["QUERY_STRING"]) $ nowurl = $ scriptName;
Else $ nowurl = $ scriptName ."? ". $ _ SERVER [" QUERY_STRING "];
}
Return $ nowurl;
}

// Convert the fullwidth number into a halfwidth number
Copy codeThe Code is as follows:
Function GetAlabNum ($ fnum ){
$ Nums = array ("0", "1", "2", "3", "4", "5", "6", "7 ", "8", "9 ");
$ Fnums = "0123456789 ";
For ($ I = 0; $ I <= 9; $ I ++) $ fnum = str_replace ($ nums [$ I], $ fnums [$ I], $ fnum );
$ Fnum = ereg_replace ("[^ 0-9 \.] | ^ 0 {1,}", "", $ fnum );
If ($ fnum = "") $ fnum = 0;
Return $ fnum;
}

// Remove HTML tags
Copy codeThe Code is as follows:
Function Text2Html ($ txt ){
$ Txt = str_replace ("", "", $ txt );
$ Txt = str_replace ("<", "<", $ txt );
$ Txt = str_replace (">", ">", $ txt );
$ Txt = preg_replace ("/[\ r \ n] {1,}/isU ","
\ R \ n ", $ txt );
Return $ txt;
}

// Clear the HTML Tag
Copy codeThe Code is as follows:

Function ClearHtml ($ str ){
$ Str = str_replace ('<', '<', $ str );
$ Str = str_replace ('>', '>', $ str );
Return $ str;
}

// Convert relative paths to absolute paths
Copy codeThe Code is as follows:

Function relative_to_absolute ($ content, $ feed_url ){
Preg_match ('/(http | https | ftp): \ //', $ feed_url, $ protocol );
$ Server_url = preg_replace ("/(http | https | ftp | news): \/\ //", "", $ feed_url );
$ Server_url = preg_replace ("// \/. */", "", $ server_url );

If ($ server_url = ''){
Return $ content;
}

If (isset ($ protocol [0]) {
$ New_content = preg_replace ('/href = "\ //', 'href =" '. $ protocol [0]. $ server_url.'/', $ content );
$ New_content = preg_replace ('/src = "\ //', 'src =" '. $ protocol [0]. $ server_url.'/', $ new_content );
} Else {
$ New_content = $ content;
}
Return $ new_content;
}

// Get all links
Copy codeThe Code is as follows:
Function get_all_url ($ code ){
Preg_match_all ('/<a \ s + href = ["| \']? ([^> "\ '] +) [" | \']? \ S * [^>] *> ([^>] +) <\/a>/I ', $ code, $ arr );
Return array ('name' => $ arr [2], 'url' => $ arr [1]);
}

// Convert each line of the HTML table into an array in CSV format
Copy codeThe Code is as follows:
Function get_tr_array ($ table ){
$ Table = preg_replace ("'<td [^>] *?> 'Si ", '"', $ table );
$ Table = str_replace ("</td>", '",', $ table );
$ Table = str_replace ("</tr>", "{tr}", $ table );
Function get_tr_array ($ table ){
$ Table = preg_replace ("'<td [^>] *?> 'Si ", '"', $ table );
$ Table = str_replace ("</td>", '",', $ table );
$ Table = str_replace ("</tr>", "{tr}", $ table );
// Remove the HTML Tag
$ Table = preg_replace ("'<[\/\!] *? [^ <>] *?> 'Si "," ", $ table );
// Remove the white space characters
$ Table = preg_replace ("'([\ r \ n]) [\ s] +'", "", $ table );
$ Table = str_replace ("", "", $ table );
$ Table = str_replace ("", "", $ table );

$ Table = explode (", {tr}", $ table );
Array_pop ($ table );
Return $ table;
}

// Convert each row and column of an HTML table into an array to collect table data
Copy codeThe Code is as follows:
Function get_td_array ($ table ){
$ Table = preg_replace ("'<table [^>] *?> 'Si "," ", $ table );
$ Table = preg_replace ("'<tr [^>] *?> 'Si "," ", $ table );
$ Table = preg_replace ("'<td [^>] *?> 'Si "," ", $ table );
$ Table = str_replace ("</tr>", "{tr}", $ table );
$ Table = str_replace ("</td>", "{td}", $ table );
// Remove the HTML Tag
$ Table = preg_replace ("'<[\/\!] *? [^ <>] *?> 'Si "," ", $ table );
// Remove the white space characters
$ Table = preg_replace ("'([\ r \ n]) [\ s] +'", "", $ table );
$ Table = str_replace ("", "", $ table );
$ Table = str_replace ("", "", $ table );

$ Table = explode ('{tr}', $ table );
Array_pop ($ table );
Foreach ($ table as $ key => $ tr ){
$ Td = explode ('{td}', $ tr );
Array_pop ($ td );
$ Td_array [] = $ td;
}
Return $ td_array;
}

// Return all words in the string $ distinct = true to remove duplicates
Copy codeThe Code is as follows:
Function split_en_str ($ str, $ distinct = true ){
Preg_match_all ('/([a-zA-Z] +)/', $ str, $ match );
If ($ distinct = true ){
$ Match [1] = array_unique ($ match [1]);
}
Sort ($ match [1]);
Return $ match [1];
}