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JakeForDesign

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Posts posted by JakeForDesign

  1. I have my form created, and want to link it to an insert.php file where I can save data to database. Normally, I would have done it like this:

    <form method="post" action="insert.php">

    Although, I have done my form a different way than usual to help security precautions(Reference: http://www.w3schools.com/php/php_form_complete.asp)

     

    <form method="post" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>"> 
                               Name: <input type="text" name="name" value="<?php echo $name;?>">
                               <span class="error">* <?php echo $nameErr;?></span>
                               <br><br>
                               E-mail: <input type="text" name="email" value="<?php echo $email;?>">
                               <span class="error">* <?php echo $emailErr;?></span>
                               <br><br>
                               Website: <input type="text" name="website" value="<?php echo $website;?>">
                               <span class="error"><?php echo $websiteErr;?></span>
                               <br><br>
                               Comment: <textarea name="comment" rows="5" cols="40"><?php echo $comment;?></textarea>
                               <br><br>
                               Gender:
                               <input type="radio" name="gender" <?php if (isset($gender) && $gender=="female") echo "checked";?>  value="female">Female
                               <input type="radio" name="gender" <?php if (isset($gender) && $gender=="male") echo "checked";?>  value="male">Male
                               <span class="error">* <?php echo $genderErr;?></span>
                               <br><br>
                               <input type="submit" name="submit" value="Submit"> 
                            </form>
     
    My form's action attribute is filled with php code already, so where do I link to my insert.php file now? Can I still put a file name next to the php code that is already there? Can I do it like this, adding an onclick attribute that links to insert.php file?:
     
     <input type="submit" name="submit" value="Submit" onclick="insert.php"> 

     

    • I originally had the error: "undefined index: password"
    • I researched the error and figured out that I needed to be using isset()
    1. When should I use isset(every time I use the post array?)
    2. Why does this prevent that error from showing up?

     

    Also, is this how I should be coding it:

       

     
        // Check whether a password was entered and confirmed correctly
        if (isset($_POST["password"])=="") {
            $passwordIsEmpty = true;
        }
        if (isset($_POST["password2"])=="") {
            $password2IsEmpty = true;
        }
        if (isset($_POST["password"])!= isset($_POST["password2"])) {
            $passwordIsValid = false;
        } 
     
    Instead of:
     
        if ($_POST['password'] == "") {
            $passwordIsEmpty = true;
        }
        if ($_POST['password2'] == "") {
            $password2IsEmpty = true;
        }
        if ($_POST['password'] != $_POST['password2']) {
            $passwordIsValid = false;
        }

     

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