[PHP] Utility function 3_php Instance

Get the current script URL

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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 full-width digits to half-width digits

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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

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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 HTML Tags

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function clearhtml ($STR) {
$str = Str_replace (' < ', ' < ', $str);
$str = Str_replace (' > ', ' > ', $str);
return $str;
}

Convert a relative path into an absolute path

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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

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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 HTML table to CSV format array

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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);
Get rid of HTML tags
$table = Preg_replace ("' <[\/\!] *? [^<>]*?> ' Si ', "", $table);
Remove 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;
}

To convert each row of HTML tables into an array, collect tabular data

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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);
Get rid of HTML tags
$table = Preg_replace ("' <[\/\!] *? [^<>]*?> ' Si ', "", $table);
Remove 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;
}

Returns all words in a string $distinct =true remove Duplicates

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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]; 
}