\[quote\] Fatal error: Can't use function return value in write context in line 3,\[/quote\]In which cases such errors get triggered?My program: \[code\] //QUERY VARIABLE $query="select * form user where user_name='$user_name' and user_password='sha($user_password)'"; //ESTABLISHING CONNECTION $result=mysqli_query($dbc,$query)or die('Error Querying Database'); while($row=mysqli_num_rows($result)==1) { //SET COOKIE setcookie('user_name',$row['user_name']); setcookie('user_id',$row['id']); $query="select * form user"; $result=mysqli_query($dbc,$query)or die('Error Querying Database'); $page_url='http://'.$_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']).'/index.php'; header('Location'.$page_url); } //TERMINATING CONNECTION mysqli_close($dbc); } else { $error_msg='Please type both user name and password correctly to login'; }//}}else{ $page_url='http://'.$_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']).'/register.php'; header('Location'.$page_url);}}if($output_form){?><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head> <title>Mismatch - Log In</title> <link rel="stylesheet" href="http://stackoverflow.com/questions/3888376/stylesheets/style.css" media="all" /></head><body class="body_style"> <?php echo('<label class="signin_label">'.$error_msg.'</label>'); ?><h2>Mismatch - Where Matches Happen...</h2><fieldset> <legend>Mismatch - Log In</legend> <form method="post" action="<?php $_SERVER['PHP_SELF']; ?>"><!--Self Referencing Form--> <label class="signin_label">USER NAME</label> <input type="text" name="user_name" title="Enter Your Account User Name" class="signin_textbox" value="http://stackoverflow.com/questions/3888376/<?php if(!empty($_POST['user_name']))$_POST['user_name']; ?>" /><br /> <label class="signin_label">PASSWORD</label> <input type="password" name="user_pwd" title="Enter Your Account Password" class="signin_textbox" value="" /><br /></fieldset> <input type="submit" name="login_submit" title="Click To Log In" value="http://stackoverflow.com/questions/3888376/Log In" class="button" /><?php}?></body></html>\[/code\]
“Can't use function return value in write context” error in PHP
- Thread starter simunov
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