Functions commonly used in PHP collectors
- 2020-03-31 17:01:24
- OfStack
//Gets the current script url
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 $nowurl;
}
//Turn a full Angle number into a half Angle number
function GetAlabNum($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 $fnum;
}
//Remove HTML markup
function Text2Html($txt)
{
$txt = str_replace( " " , "" ,$txt);
$txt = str_replace( " < " , " < " ,$txt);
$txt = str_replace( " > " , " > " ,$txt);
$txt = preg_replace( " /[rn]{1,}/isU " , " <br/>rn " ,$txt);
return $txt;
}
//Clear HTML markup
function ClearHtml($str)
{
$str = str_replace('<','<',$str);
$str = str_replace('>','>',$str);
return $str;
}
//Relative paths are converted to absolute paths
function relative_to_absolute($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 $new_content;
}
//Get all the links
function get_all_url($code){
preg_match_all('/<as+href=[ " |']?([^> " ' ]+)[ " |']?s*[^>]*>([^>]+)</a>/i',$code,$arr);
return array('name'=>$arr[2],'url'=>$arr[1]);
}
//Gets the contents of the specified tag
function get_tag_data($str, $start, $end)
{
if ( $start == " || $end == " )
{
return;
}
$str = explode($start, $str);
$str = explode($end, $str[1]);
return $str[0];
}
//Each row of the HTML table is converted into a CSV format array
function get_tr_array($table)
{
$table = preg_replace( "' <td[^>]*?>'si " ,' "' ,$table);
$table = str_replace( " </td> " ,' " ,',$table);
$table = str_replace( " </tr> " , " {tr} " ,$table);
//Remove HTML tags
$table = preg_replace( "' <[/!]*?[^<>]*?>'si " , "" ,$table);
//Get rid of the whitespace
$table = preg_replace( "' ([rn])[s]+' " , "" ,$table);
$table = str_replace( " " , "" ,$table);
$table = str_replace( " " , "" ,$table);
$table = explode( " ,{tr} " ,$table);
array_pop($table);
return $table;
}
//Convert each row and column of an HTML table into an array to collect table data
function get_td_array($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 HTML tags
$table = preg_replace( "' <[/!]*?[^<>]*?>'si " , "" ,$table);
//Get rid of the whitespace
$table = preg_replace( "' ([rn])[s]+' " , "" ,$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 the string $distinct=true to remove duplicates
function split_en_str($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];
}