Ho avuto una giornata pesante e forse sono poco lucido!
Ho necessità di creare un sito semplice semplice e una formula di "iscrizione" minima e formale: lo script in questione va benissimo (
VEDI ) solo che non capisco quanto detto prima (senza retorica).
Voglio rendere obbligatorio l'inserimento della mail
codice:<?php session_start(); // Maintain session state header("Cache-control: private"); // Fixes IE6's back button problem. // Dont allow members to go to add user page if(@$_SESSION['user']) header("location: login.php"); elseif(@$_POST['user']){ // Get and set vars (without html characters) $user = htmlspecialchars(strtolower($_POST["user"])); $pass = htmlspecialchars($_POST["pass"]); $permission = 0; // Default: user, until admin changes $email = htmlspecialchars($_POST["email"]); $url = htmlspecialchars($_POST["url"]); // Add dots to date if($_POST["day"]) $dob = $_POST["day"]. ".". $_POST["month"]. ".". $_POST["year"]; else $dob = false; $location = htmlspecialchars($_POST["location"]); $joined = $_POST["joined"]; // Create the string to append $string = "\r\n". $user. "<del>". md5($pass). "<del>". $permission. "<del>". $email. "<del>". $url. "<del>". $dob. "<del>". $location. "<del>". $joined; // Make sure username doesn't already exist //----------------------------------------- // Include the flat-file $file = file("users.php") or die("Problem getting the user details flat-file [users.php]"); // Get the size of file $totalLines = sizeof($file); // Get the users details line by line $line = 0; $match = 0; do{ // Check the line isn't a comment if("//" != substr($file[$line], 0, 2)){ // Break our records up @list($username, $password, $permission, $email, $url, $dob, $location, $joined) = explode("<del>", $file[$line]); // Check the username and passwords match if((strtolower($user) == strtolower($username))) $match = 1; else $match = 0; } // Exit loop if match found if($match) break; // Increment line count $line++; } while($line < $totalLines); // Only add new user if a match is not found if($match){ ?> <script language = "javascript" type = "text/javascript"> <!-- // Go back alert("Username already taken, taking you back to choose another"); history.go(-1); --> </script> <?php } else{ // Open the users file $fp = fopen("users.php", "a+"); // Append the new user to end of users file fwrite($fp, $string); // Close the file fclose($fp); // Redirect to index header("location: index.php?new=1"); } } else{ ?> <html> <head> <link rel = "stylesheet" type = "text/css" href = "style.css"> <title>members area: mike holloway</title> </head> <body onload = "document.getElementById('user').focus();"> <form method = "post" action = "<?php print($_SERVER['PHP_SELF']); ?>"> <table border = "0" cellspacing = "0" cellpadding = "10" width = "50%" align = "center" style = "height: 100%;"> <tr> <td colspan = "3" valign = "bottom"> <span class = "bold">join our member list!</span> <span class = "hilight">hilighted text are required fields</span> </td> </tr> <tr> <td colspan = "3" height = "5%"> <a href = "index.php">back</a> </td> </tr> <tr> <td width = "30%" height = "10" valign = "bottom"> <span class = "hilight">username:</span> </td> <td width = "70%" height = "10" valign = "bottom"> <input type = "text" id = "user" name = "user" style = "width: 80%" class = "text" tabindex = "1"> </td> <td rowspan = "7" width = "16" height = "16" align = "right" valign = "bottom"> <input type = "hidden" name = "joined" value = "<?php print(date("d.m.Y H:i:s", mktime())); ?>"> <input type = "Image" src = "next.gif" width = "16" height = "16" name = "submit" alt = "arrow pointing right: next" border = "0" align = "top" onfocus = "return checkFields();" tabindex = "10"></a> </td> </tr> <tr> <td width = "30%" height = "10" valign = "bottom"> <span class = "hilight">password:</span> </td> <td width = "70%" height = "10" valign = "bottom"> <input type = "password" id = "pass" name = "pass" style = "width: 80%" class = "text" tabindex = "2"> </td> </tr> <tr> <td width = "30%" height = "10" valign = "bottom"> <span class = "hilight"> confirm password:</span> </td> <td width = "70%" height = "10" valign = "bottom"> <input type = "password" id = "pass2" name = "pass2" style = "width: 80%" class = "text" tabindex = "3"> </td> </tr> <tr> <td width = "30%" height = "10" valign = "bottom"> email: </td> <td width = "70%" height = "10" valign = "bottom"> <input type = "text" id = "email" name = "email" style = "width: 80%" class = "text" tabindex = "4"> </td> </tr> <tr> <td width = "30%" height = "10" valign = "bottom"> http:// </td> <td width = "70%" height = "10" valign = "bottom"> <input type = "text" id = "url" name = "url" style = "width: 80%" class = "text" tabindex = "5"> </td> </tr> <tr> <td width = "30%" height = "10" valign = "bottom"> date of birth: </td> <td width = "70%" height = "10" valign = "bottom"> <span class = "bold">d: </span><input type = "text" id = "day" name = "day" size = "2" class = "text" maxlength = "2" tabindex = "6"> <span class = "bold">m: </span><input type = "text" id = "month" name = "month" size = "2" class = "text" maxlength = "2" tabindex = "7"> <span class = "bold">y: </span><input type = "text" id = "year" name = "year" size = "4" class = "text" maxlength = "4" tabindex = "8"> </td> </tr> <tr> <td width = "30%" height = "10" valign = "bottom"> location: </td> <td width = "70%" height = "10" valign = "bottom"> <input type = "text" id = "location" name = "location" style = "width: 80%" class = "text" tabindex = "9"> </td> </tr> <tr> <td colspan = "3" valign = "top"> </td> </tr> </table> </form> <script language = "javascript" type = "text/javascript"> <!--// Check field values are correct before submitting function checkFields(){ var flag = 1; // Return flag // Check for empty values in important fields first if(!document.getElementById("user").value || !document.getElementById("pass").value || !document.getElementById("pass2").value){ alert("Please enter values in the following:\n\nUSERNAME\nPASSWORD\nCONFIRM PASSWORD"); document.getElementById("user").focus(); return true; } // Check that passwords are the same else if(document.getElementById("pass").value != document.getElementById("pass2").value){ alert("Please enter two matching passwords"); document.getElementById("pass").value = ''; document.getElementById("pass2").value = ''; document.getElementById("pass").focus(); return true; } // Check the day / month / year fields if there's a value in one of them else if(document.getElementById("day").value || document.getElementById("month").value || document.getElementById("year").value){ // Check day first if((isNaN(document.getElementById("day").value)) || (document.getElementById("day").value > 31) || (document.getElementById("day").value < 1)){ alert("Please enter a valid day in the DOB field"); document.getElementById("day").value = ''; document.getElementById("day").focus(); return true; } // Check month next else if((isNaN(document.getElementById("month").value)) || (document.getElementById("month").value > 12) || (document.getElementById("month").value < 1)){ alert("Please enter a valid month in the DOB field"); document.getElementById("month").value = ''; document.getElementById("month").focus(); return true; } // Finally the year else if((isNaN(document.getElementById("year").value)) || (document.getElementById("year").value >= <?php print date("Y", mktime()); ?>) || (document.getElementById("year").value < 1)){ alert("Please enter a valid year in the DOB field"); document.getElementById("year").value = ''; document.getElementById("year").focus(); return true; } else flag = 0; } else flag = 0; // One final check if the others went through fine if(!flag){ if(document.getElementById("email").value){ // Finally, check the email if(document.getElementById("email").value.indexOf("@") == -1 || document.getElementById("email").value.indexOf(".") == -1){ alert("If entering an email addy, please make sure it is valid"); document.getElementById("email").focus(); return true; } else return false; } else return false; } } --> </script> </body> </html> <?php } ?>
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