PHP - Uh Oh, Strict Standards...

I keep getting this error code and not sure why

Quote

Strict Standards: Only variables should be passed by reference in


This is the line of code that it reference to.

Code: [Select]
$file_ext = strtolower(end(explode(".", $file_name)));
Can someone please help me

I would like some expertise of some one that could help me on this i m getting the following error, on the code i m developing:
Quote

Strict Standards: Non-static method authentication::login() should not be called statically in C:\xampp\htdocs\myanidb\includes\common\content\login.php on line 12


these are the lines of code (not completed ofc ..)

login.php
Code: [Select]
<?php
    # The PHP extention files are usually protected by the webserver, but abit of
    # extra protection never hurted anyone.
    if( !defined('abspath')){die("Accessing this file directly is not allowed." );}
    
    # The login sequence for the user is made by the following steps:
    # Uppon entering this file (login.php) the POST variables 'username' and 'password'
    # are tested to see if the user entered any data to be authenticated this test is 
    # made by checking if both variables are set (by using isset). if they are set this
    # means the user is trying to authenticate 
    if( isset( $_POST['username'] ) && isset( $_POST['password'] ) ){
        $login = authentication::login( $_POST['username'], $_POST['password'] );
    }else{
        ?>
            <form action="?go=login" method="post">
                <table align="center">
                    <tr>
                        <td><font size="2">Username</font></td>
                        <td><input type="text" name="username" /></td>
                    </tr>
                    <tr>
                        <td><font size="2">Password</font></td>
                        <td><input type="password" name="password" /></td>
                    </tr>
                    <tr>
                        <td colspan="2" align="center"><input type="submit" value="Login" /></td>
                    </tr>
                </table>
            </form>
        <?
    }
?>

class.authentication.php
Code: [Select]
<?php
    # The PHP extention files are usually protected by the webserver, but abit of
    # extra protection never hurted anyone.
    if( !defined('abspath')){die("Accessing this file directly is not allowed." );}
    
    class authentication{
        
        protected $loginquery = '';
        
        # Uppon class declaration, this class will start an php session 
        function __construct(){
            session_start();
        }
        
        # Main function on the autentication class, this function will be triggered 
        # out site de class and will carry out all the necessary steps to authenticate
        # an user.
        public function login( $username, $password ){
            echo "Username: ". $username ." | Password: ". $password;
        }
        
        # Clean's up the user session variables by unsetting the $_SESSION array,
        # destroying the session and regenerate an new ID if the user comes wants 
        # to stay on the page but not logged in.
        public function logout(){
            session_unset();
            session_destroy();
            session_regenerate_id();
        }
    }
?>

I started to learn PHP not so long ago where some of the time i couldnt do much or learn due to work and rl, so i know probably i m not doing things the right way, if possible please let me know what i m doing wrong. Thanks in Advance

Hello,

I have a "working" upload script but i do get an error:

Strict Standards: Only variables should be passed by reference in C:\Users\UHN\Desktop\xampp-win32-1.7.4-VC6\xampp\htdocs\upload.php on line 99

Line 99:
$file_ext = strtolower(end(explode('.', $file_name)));

thanks..

Hello guys, not sure why I keep getting this error, can anyone help me? Here is the code:

$ext=end(explode('.',$thum));

Hi...
I tried to import to my database an xml file using this code:

<?php
//ini_set('display_errors', -1);
//error_reporting(E_ALL);
//error_reporting(-1);
error_reporting(E_ALL | E_STRICT);
//error_reporting(E_ALL ^ E_NOTICE); 
  date_default_timezone_set("Asia/Singapore"); //set the time zone    
$data = array();

$con = mysql_connect("localhost", "root","");
if (!$con) { 
  die(mysql_error());
}
$db = mysql_select_db("mes", $con);
if (!$db) { 
  die(mysql_error());
}
 
  
function add_employee($ETD,$PO_No,$SKUCode,$Description,$POReq ,$Comp)
  {
      global $data;
      
      
      $con = mysql_connect("localhost", "root","");
      if (!$con){ die(mysql_error());}
      $db = mysql_select_db("mes", $con);
      if (!$db) { 
          die(mysql_error());
      }

      $ETD= $ETD;
      $PO_No = $PO_No;
      $SKUCode = $SKUCode;
      $Description = $Description;
      $POReq = $POReq;
      $Comp = $Comp;
     

      $sql = "INSERT INTO sales_order (ETD,PO_No,SKUCode,Description,POReq,Comp) 
      VALUES 
      ('$ETD','$PO_No','$SKUCode','$Description','$POReq','$Comp')
      ON DUPLICATE KEY UPDATE
      ETD = '$ETD', PO_No = '$PO_No', SKUCode = '$SKUCode', Description = '$Description', POReq = '$POReq', Comp = '$Comp'" or die(mysql_error());
      $res = mysql_query($sql, $con);
      
       $data []= array('ETD'=>$ETD,'PO_No'=>$PO_No,'SKUCode'=>$SKUCode,'Description'=>$Description,'POReq'=>$POReq,'Comp'=>$Comp); 
}
 // if (isset($_FILES['file']['tmp_name'])){
  

  if(empty($_FILES['file']['tmp_name']['error'])){
     $dom = new DOMDocument();
      $dom = DOMDocument::load('SalesOrder.xml');   
   //$dom = DOMDocument::load($_FILES['file']['tmp_name']);
    //$dom = DOMDocument::__construct();           
      $rows = $dom->getElementsByTagName('Row');
      global $last_row;
      $last_row = false;
      $first_row = true;
      foreach ($rows as $row)
      {
          if ( !$first_row )
          {
              $ETD = "";
              $PO_No = "";
              $SKUCode = "";
              $Description = "";
              $POReq = "";
              $Comp = "";
              
              $index = 1;
              $cells = $row->getElementsByTagName( 'Cell' );
          
              foreach( $cells as $cell )
              { 
                  $ind = $cell->getAttribute( 'Index' );
                  if ( $ind != null ) $index = $ind;

                  if ( $index == 1 ) $ETD = $cell->nodeValue;  
                  if ( $index == 2 ) $PO_No = $cell->nodeValue;
                  if ( $index == 3 ) $SKUCode = $cell->nodeValue;
                  if ( $index == 4 ) $Description = $cell->nodeValue;
                  if ( $index == 5 ) $POReq = $cell->nodeValue;
                  if ( $index == 6 ) $Comp = $cell->nodeValue;
                                    $index += 1;
              }

             if ($ETD=='' AND $PO_No=='' AND $SKUCode=='' AND $Description=='' AND $POReq=='' AND $Comp=='') {  
                    $last_row = true;
              }      
              else {
                    add_employee($ETD,$PO_No,$SKUCode,$Description, $POReq, $Comp);  
              }      
          }
          if ($last_row==true) {
              $first_row = true;
          }     
          else {
              $first_row = false;
          }
      }
  }  

 
  ?>


but I got an error:

Strict Standards: Non-static method DOMDocument::load() should not be called statically

in this part:

      $dom = DOMDocument::load('SalesOrder.xml'); 

I hope somebody can help me...I need to import data from .xml to my database.

Thank you so much