Get the resolution for the PHP warning error message

<?php
/**
*  Update illegal characters and send messages 
*  
* @author
* @copyright 2009-06-10
*/
error_reporting(E_ERROR | E_WARNING | E_PARSE);
set_error_handler('displayErrorHandler');// Customised � � � 
// � � information 
echo "time:".date("Y-m-d H:i:s")."\n";
// � � configuration 
// Public letter � 
function displayErrorHandler($error, $error_string, $filename, $line, $symbols)
{
    $error_no_arr = array(1=>'ERROR', 2=>'WARNING', 4=>'PARSE', 8=>'NOTICE', 16=>'CORE_ERROR', 32=>'CORE_WARNING', 64=>'COMPILE_ERROR', 128=>'COMPILE_WARNING', 256=>'USER_ERROR', 512=>'USER_WARNING', 1024=>'USER_NOTICE', 2047=>'ALL', 2048=>'STRICT');
    $msg = sprintf("%s: %s at file %s(%s)", $error_no_arr[$error] ,$error_string, $filename, $line);
    if(in_array($error,array(1,2,4))){       
        echo $msg; echo "\n";// � � � 
        // � to send information 
        if($error==1||$error==2) {
            sendBankMsg($error_string); // Send � � � 
            if(strpos($error_string, 'xml_parse(): Bytes:')!==FALSE){
                writeFiltefile($error_string);
            }
        }
    }
}
function hex2bin($hexdata) {
    $bindata = '';
    for($i=0; $i < strlen($hexdata); $i += 2) {
        $bindata .= chr(hexdec(substr($hexdata, $i, 2)));
    }
    return $bindata;
}
function writeFiltefile($error_string)
{
    if(strpos($error_string, 'xml_parse(): Bytes:')===FALSE||strpos($error_string, ' 0x')===FALSE){
        return;
    }           
    // � into the file 
    $filename = 'filtetext.php';
    include($filename);
    $error_string = str_replace('xml_parse(): Bytes:', '', $error_string);
    $error_string = str_replace(' 0x','', $error_string);
    $error_text = hex2bin($error_string);
    $filtetextArr[] = $error_text;
    $tempArr = array_unique($filtetextArr);// Remove heavy � 
    $result = implode("','",$tempArr);
    $result = "<?php\n\$filtetextArr = array('".$result."');\n?>";
    fileWrite($filename, $result, 'w');   
}
function sendBankMsg($msg)
{
    $timestamp = time();
    $params = "msg=".$msg
             ."&posttime=".$timestamp;   
    $length = strlen($params);
    // create socket The connection 
    $domain = "www.admin.com"; //socket The domain name 
    $actionPath = "/action/bank/bankmsg.php"; // The file path � 
    $fp = fsockopen($domain,80);
    // structure post The head of the request 
    if($fp){
        $header = "POST ".$actionPath." HTTP/1.1\r\n";
        $header .= "Host:".$domain."\r\n";
        $header .= "Content-Type: application/x-www-form-urlencoded\r\n";
        $header .= "Content-Length: ".$length."\r\n";
        $header .= "Connection: Close\r\n\r\n";
        // add post The string 
        $header .= $params."\r\n";
        // send post The data of 
        fputs($fp,$header);
        while (!feof($fp)) {
            $line = fgets($fp,1024); // Removing the header of the request packet only displays the returned data of the page 
            if ($inheader && ($line == "\n" || $line == "\r\n")) {
                echo $line;
            }
        }
        fclose($fp);
    }
}
function fileWrite($fFileName, $fContent, $fTag = 'w') {
    ignore_user_abort (TRUE);
    $fp = fopen($fFileName, $fTag);
    if (flock($fp, LOCK_EX)) {
        fwrite($fp, $fContent);
        flock($fp, LOCK_UN);
    }
    fclose($fp);
    ignore_user_abort (FALSE);
    return;
}
?>