PHP - Crashing While Debugging The Code

I am just starting my first solo web project in a new language (php) and since I don't have my old boss to go to for code help I need to build a stronger set of debugging strategies or at least a set of debugging strategies that goes beyond echo $varthatmightbegivingmetrouble . 

Right now I'm working with this line of code right he

$query = sprintf("INSERT INTO Users (UserName, Password) VALUES ('%s', '%s')", mysql_real_escape_string($UserName), mysql_real_escape_string($Password)); 
echo $query;

which is outputting:
"INSERT INTO Users (UserName, Password) VALUES ('', '')monkeykoder"

Any help would be greatly appreciated.

Hi Guys,

I am learning PHP via Netbeans IDE in LinuxMint because it just feels closer to Visual Studio which I used in the past, i am trying to lean more with open source technologies.

I spin up a VirtualBox and installed apache2 on ubuntu.

I created the netbeans project from my linuxMint to the virtualbox apache2 server (remote server) and configured the virtual directories on the apache2 server. I can the test project successfully, however I cannot seem to debug via Netbeans like toggling a breakpoint to view variable values.

I found on the internet i need to configure xdebug and followed this site and used this page https://xdebug.org/wizard.php to create and install my xdebug.

I then updated my php.ini file to the following:

[xDebug]
zend_extension = /usr/lib/php/20170718/xdebug.so
xdebug.remote_autostart=on
xdebug.remote_enable=on
xdebug.remote_handler=dbgp
xdebug.remote_host=192.168.56.1
xdebug.remote_connect_back=1
xdebug.remote_port=9000
xdebug.remote_mode=req
xdebug.idekey="netbeans-xdebug"

 

While my netbeans session id is configured "netbeans-xdebug" and debugger port to 9000. However, when i set a breakpoint in my code, netbeans seems to be stuck on "Waiting for connection" even it already passed the breakpoint. I suspect it's not even connected at all.

I do see from my host laptop (where I am running netbeans) that port 9000 does open when running the project with debug and ufw is turned off in both virtualbox machine and laptop.

 

Any ideas?

This topic has been moved to Third Party PHP Scripts.

http://www.phpfreaks.com/forums/index.php?topic=322069.0

Hey all,
  I'm having some trouble running some mysql statements through mysqli. I've tried to debug them various ways, but to no avail. This is the offending code:
class DBOPS {
protected $config, $mysqli;

public function __construct () {
$this->config = array (...snip...);
$this->mysqli = new mysqli ($this->config['server'], $this->config['username'], $this->config['password'], $this->config['database']);
session_start();
}

public function Login ($username, $password) {
$toreturn = NULL;

//Problem area is from here...

$encryptedpassword = hash(...snip...);

print_r(array(
$this->config['usertable']['username'],
$username,
$this->config['usertable']['password'],
$encryptedpassword));

$statement = $this->mysqli->stmt_init();
$statement->prepare('SELECT * FROM users WHERE ? = ? AND ? = ?');
$statement->bind_param(
'ssss',
$this->config['usertable']['username'],
$username,
$this->config['usertable']['password'],
$encryptedpassword);

$statement->execute();

print_r($statement->affected_rows);

//To here.

if ($statement->affected_rows == 1) {
$_SESSION[$this->config['sessiondata']['username']] = $username;
$_SESSION[$this->config['sessiondata']['lastactivity']] = time();

$toreturn = TRUE;
} else {
$toreturn = FALSE;
}

$statement->close();

return $toreturn;
}

The print_r($statement->affected_rows); statement always returns -1, which means a query error. Is there a problem with the syntax of the predefined query in $statement->prepare('SELECT * FROM users WHERE ? = ? AND ? = ?') ? I really can't seem to find the problem in this code. There are no errors returned. The output from the print_r() statements are
Code: [Select]
Array ( [0] => Name [1] => Trey [2] => Password [3] => ...snip... )from the first print_r and
Code: [Select]
-1from the second.

And lastly, I know that DIY login systems are generally discouraged, but this is more of a research project. I would greatly appreciate any help with this.

Thanks.

Hi, I have some code which displays my blog post in a foreach loop, and I want to add some social sharing code(FB like button, share on Twitter etc.), but the problem is the way I have my code now, creates 3 instances of the sharing buttons, but if you like one post, all three are liked and any thing you do affects all of the blog post. How can I fix this?


<?php
include ("includes/includes.php");

$blogPosts = GetBlogPosts();

foreach ($blogPosts as $post)
{
echo "<div class='post'>";
echo "<h2>" . $post->title . "</h2>";
echo "<p class='postnote'>" . $post->post . "</p";
echo "<span class='footer'>Posted By: " . $post->author . "</span>";
echo "<span class='footer'>Posted On: " . $post->datePosted . "</span>";
echo "<span class='footer'>Tags: " . $post->tags . "</span>";
echo '
<div class="addthis_toolbox addthis_default_style ">
<a class="addthis_button_facebook_like" fb:like:layout="button_count"></a>
<a class="addthis_button_tweet"></a>
<a class="addthis_counter addthis_pill_style"></a>
</div>
<script type="text/javascript">var addthis_config = {"data_track_clickback":true};</script>
<script type="text/javascript" src="http://s7.addthis.com/js/250/addthis_widget.js#username=webguync"></script>';

echo "</div>";
}


?>

I have the following code in html:

<html>
<head>
<script type="text/javascript">
<!--
function delayer(){
    window.location = "http://VARIABLEVALUE.mysite.com"
}
//-->
</script>
<title>Redirecting ...</title>
</head>
<body onLoad="setTimeout('delayer()', 1000)">



<script type="text/javascript">
var sc_project=71304545;
var sc_invisible=1;
var sc_security="9c433fretre";
</script>

<script type="text/javascript"
src="http://www.statcounter.com/counter/counter.js"></script><noscript>
<div
class="statcounter"><a title="vBulletin statistics"
href="http://statcounter.com/vbulletin/"
target="_blank"><img class="statcounter"
src="http://c.statcounter.com/71304545/0/9c433fretre/1/"
alt="vBulletin statistics" ></a></div></noscript>


</body>
</html>

Is a basic html webpage with a timer redirect script and a stascounter code.

I know a bit about html and javascript, but almost nothing about php.

My question is:

How a can convert this html code into a php file, in order to send a variable value using GET Method and display this variable value inside the javascript code where says VARIABLEVALUE.

Thanks in adavance for your help.

Hi, I need to insert some code into my current form code which will check to see if a username exist and if so will display an echo message. If it does not exist will post the form (assuming everything else is filled in correctly). I have tried some code in a few places but it doesn't work correctly as I get the username message exist no matter what. I think I am inserting the code into the wrong area, so need assistance as to how to incorporate the username check code.

$sql="select * from Profile where username = '$username';
$result = mysql_query( $sql, $conn )
      or die( "ERR: SQL 1" );
if(mysql_num_rows($result)!=0)
{
process form
}
else
{
echo "That username already exist!";
}


the current code of the form


<?PHP
//session_start();
require_once "formvalidator.php";
$show_form=true;

if (!isset($_POST['Submit'])) {



$human_number1 = rand(1, 12);



$human_number2 = rand(1, 38);



$human_answer = $human_number1 + $human_number2;



$_SESSION['check_answer'] = $human_answer;
}

if(isset($_POST['Submit']))
{





if (!isset($_SESSION['check_answer'])) {
echo "<p>Error: Answer session not set</p>";
}


if($_POST['math'] != $_SESSION['check_answer']) {
echo "<p>You did not pass the human check.</p>";
exit();
}


   $validator = new FormValidator();
    $validator->addValidation("FirstName","req","Please fill in FirstName");







$validator->addValidation("LastName","req","Please fill in LastName");
$validator->addValidation("UserName","req","Please fill in UserName");
$validator->addValidation("Password","req","Please fill in a Password");
$validator->addValidation("Password2","req","Please re-enter your password");
$validator->addValidation("Password2","eqelmnt=Password","Your passwords do not match!");
$validator->addValidation("email","email","The input for Email should be a valid email value");
$validator->addValidation("email","req","Please fill in Email");
$validator->addValidation("Zip","req","Please fill in your Zip Code");
$validator->addValidation("Security","req","Please fill in your Security Question");
$validator->addValidation("Security2","req","Please fill in your Security Answer");
    if($validator->ValidateForm())
    {
        $con = mysql_connect("localhost","uname","pw") or die('Could not connect: ' . mysql_error());
        mysql_select_db("beatthis_beatthis") or die(mysql_error());
$FirstName=mysql_real_escape_string($_POST['FirstName']); //This value has to be the same as in the HTML form file
$LastName=mysql_real_escape_string($_POST['LastName']); //This value has to be the same as in the HTML form file
$UserName=mysql_real_escape_string($_POST['UserName']); //This value has to be the same as in the HTML form file
$Password= md5($_POST['Password']); //This value has to be the same as in the HTML form file
$Password2= md5($_POST['Password2']); //This value has to be the same as in the HTML form file
$email=mysql_real_escape_string($_POST['email']); //This value has to be the same as in the HTML form file
$Zip=mysql_real_escape_string($_POST['Zip']); //This value has to be the same as in the HTML form file
$Birthday=mysql_real_escape_string($_POST['Birthday']); //This value has to be the same as in the HTML form file
$Security=mysql_real_escape_string($_POST['Security']); //This value has to be the same as in the HTML form file
$Security2=mysql_real_escape_string($_POST['Security2']); //This value has to be the same as in the HTML form file



$sql="INSERT INTO Profile (`FirstName`,`LastName`,`Username`,`Password`,`Password2`,`email`,`Zip`,`Birthday`,`Security`,`Security2`) VALUES ('$FirstName','$LastName','$UserName','$Password','$Password2','$email','$Zip','$Birthday','$Security','$Security2')"; 
//echo $sql;
if (!mysql_query($sql,$con)) {

 die('Error: ' . mysql_error());

} else{



mail('email@gmail.com','A profile has been submitted!',$FirstName.' has submitted their profile',$body);

echo "<h3>Your profile information has been submitted successfully.</h3>";
}

mysql_close($con);
        $show_form=false;
    }
    else
    {
        echo "<h3 class='ErrorTitle'>Validation Errors:</h3>";

        $error_hash = $validator->GetErrors();
        foreach($error_hash as $inpname => $inp_err)
        {
            echo "<p class='errors'>$inpname : $inp_err</p>\n";
        }        
    }
}

if(true == $show_form)
{
?>

Advance thank you.

Can you help please.

The error.....

Warning: mysql_fetch_assoc() expects parameter 1 to be resource, string given in C:\wamp\www\test_dabase.php on line 24

code.
Code: [Select]
<?php

//database connection.
$DB = mysql_connect("localhost","root") or die(mysql_error());

if($DB){

//database name.
$DB_NAME="mysql";

//select database and name.
$CON=mysql_select_db($DB_NAME,$DB)or die(mysql_error()."\nPlease change database name");


// if connection.
}if($CON){
    
    //show tables.
  $mysql_show="SHOW TABLES";
    
    //select show and show.
      $mysql_select2="mysql_query(".$mysql_show.") or die(mysql_error())";
    
    }
    
    //if allowed to show.
    if($mysql_select2){
        
        //while it and
    while($data=mysql_fetch_assoc($mysql_select2)){
        
        //show it.
        echo $data;
        
        }
    }    
    ?>

hey gurus, i am a newbie php coder.. i am learning by example.

what i am trying to do is write a piece of code which will alter 3 tables (user, bonus_credit, bonus_credit_usage)

----------------------------------------------------------------
the table structure that will be used is as follows:

user.bonus_credit
user.ID

bonus_credit.bonusCode
bonus_credit.qty
bonus_credit.value

bonus_credit_usage.bonusCode
bonus_credit_usage.usedBy

----------------------------------------------------------------
so lets say, in bonus_credit i have the following
bonusCode = 'facebook' (this is the code they have to type to redeem the bonus
qty = '10' ( number of times the bonusCode can be redeemed, but same person can't redeem it more than once)
value = '5' (this is the  amount of bonus_credit for each qty)

Now, I need to write a code that check to see if the code has been redeemed in the bonus_credit_usage table and if the user.ID exists in this table as bonus_code_usage.usedBy, then give an error that its already been used and if it hasn't been used, then subtract 1 from qty, add ID to usedBy and then add the value to the bonus_credit

-----------------------
i have started the steps just to create a simple textbox and entering a numeric value to bonus_credit, and that works.. but now i have to use JOIN and IF and ELSE.. which is a little too advanced for me.. so i'd appreciate a guide as i write the code.

if(isset($_REQUEST['btnBonus']))

{

$bonus_credit = addslashes($_REQUEST['bonusCode']);

$query = "update user set bonus_credit=bonus_credit+'".$bonus_credit."' where id='".$_SESSION['SESS_USERID']."'";

echo "<script>window.location='myreferrals.php?msgs=2';</script>";

mysql_query($query) or die(mysql_error());

}

I use this type of a code to send automatic emails from my website:

Code: [Select]
$headers = ;
$headers .= ;
$to = ;

Click here to go to Google.

", $headers);

I am having hard time figuring out how to do hyperlink on words (like here). If I do something like this:

Code: [Select]
<a href='http://www.google.com'>here</a>
it spits out that exact thing out.

Thanks you for your input

Can you help me integrate this code :

<form method="post" action="submit.php">
<input type="checkbox" class="required" /> Click to check
<br />
<input disabled="disabled" type='submit' id="submitBtn" value="Submit">
</form>

In to this Contact Form code, please?

<form action="../page.php?page=1" method="post" name="contact_us" onSubmit="return capCheck(this);">
<table cellpadding="5" width="100%">
<tr>
<td width="10" class="required_field">*</td>
<td width="80">Your Name</td>
<td><input type="text" name="name" maxlength="40" style="width:400px;/></td>
</tr>
<tr>
<td class="required_field">*</td>
<td>Email Address</td>
<td><input type="text" name="email" maxlength="40" style="width:400px;/></td>
</tr>
<tr>
<td></td>
<td>Comments:</td>
<td><textarea name="comments" style="width: 400px; height: 250px;"></textarea></td>
</tr>
</table>
</form

Can I combine also HTML code in PHP function?
For example, can a PHP function include HTML form and the PHP code to handle this form?

If yes, this will make my main code much more smaller and readable.

If not, is there a way to define an "external macro" like, which allow me to replace pre-defined lines of code with short alias?


 

Hi,

Look at this code below:

Code: [Select]
<?php function outputModule($moduleID, $moduleName, $sessionData) 
{ 

    if(!count($sessionData)) 
    { 
        return false; 
    } 

    $markTotal = 0; 
    $markGrade = 0; 
    $weightSession = 0; 
    $grade = ""; 
    $sessionsHTML = ""; 

    foreach($sessionData as $session) 
    { 

        $sessionsHTML .= "<p><strong>Session:</strong> {$session['SessionId']} <strong>Session Mark:</strong> {$session['Mark']}</strong> <strong>Session Weight Contribution</strong> {$session['SessionWeight']}%</p>\n"; 
        $markTotal += round($session['Mark'] / 100 * $session['SessionWeight']); 
        $weightSession  += ($session['SessionWeight']); 
        $markGrade = round($markTotal /  $weightSession * 100); 
             
        if ($markGrade >= 70) 
        { 
            $grade = "A"; 
        } 

        else if ($markGrade >= 60 && $markGrade <= 69) 
        { 
            $grade = "B"; 
        } 

        else if ($markGrade >= 50 && $markGrade <= 59) 
        { 
            $grade = "C"; 
        } 

        else if ($markGrade >= 40 && $markGrade <= 49) 
        { 
            $grade = "D"; 
        } 

        else if ($markGrade >= 30 && $markGrade <= 39) 
        { 
            $grade = "E"; 
        } 

        else if ($markGrade >= 0 && $markGrade <= 29) 
        { 
            $grade = "F"; 
        } 
              

    $moduleHTML = "<p><br><strong>Module:</strong> {$moduleID} - {$moduleName} <strong>Module Mark:</strong> {$markTotal} <strong>Mark Percentage:</strong> {$markGrade} <strong>Grade:</strong> {$grade} </p>\n"; 

    return $moduleHTML . $sessionsHTML; 
} 

$output = ""; 

$studentId = false; 
$courseId  = false; 
$moduleId  = false; 

while ($row = mysql_fetch_array($result)) 
{ 

    if($studentId != $row['StudentUsername']) 
    { 

        //Student has changed 
        $studentId = $row['StudentUsername']; 

        $output .= "<p><strong>Student:</strong> {$row['StudentForename']} {$row['StudentSurname']} ({$row['StudentUsername']})\n"; 

    } 
         
    if($courseId != $row['CourseId']) 
    { 

        //Course has changed 
        $courseId = $row['CourseId']; 

        $output .= "<br><strong>Course:</strong> {$row['CourseId']} - {$row['CourseName']} <strong>Course Mark</strong> <strong>Grade</strong>  <br><strong>Year:</strong> {$row['Year']} </p>\n"; 

    } 

    if($moduleId != $row['ModuleId']) 
    { 

        //Module has changed 
        if(isset($sessionsAry)) //Don't run function for first record 
        { 

            //Get output for last module and sessions 
            $output .= outputModule($moduleId, $moduleName, $sessionsAry); 
        } 

        //Reset sessions data array and Set values for new module 

        $sessionsAry = array(); 
        $moduleId    = $row['ModuleId']; 
        $moduleName  = $row['ModuleName']; 
    } 
         
    //Add session data to array for current module 
         
    $sessionsAry[] = array('SessionId'=>$row['SessionId'], 'Mark'=>$row['Mark'], 'SessionWeight'=>$row['SessionWeight']); 
         
}    //Get output for last module 

$output .= outputModule($moduleId, $moduleName, $sessionsAry); 

//Display the output 
echo $output; 

}
      }
  }
    ?>
This code allallows me to make calculations and display a student's course and linked with it the course the modules in the course and linked with modules are all the sessions. It is able to display what marks each student have got for each module and session.

Now look at code below, it is able to display modules and in those modules the sessions that link to those modules:

  Code: [Select]
<?php if($moduleId != $row['ModuleId']) 
    { 

        //Module has changed 
        if(isset($sessionsAry)) //Don't run function for first record 
        { 

            //Get output for last module and sessions 
            $output .= outputModule($moduleId, $moduleName, $sessionsAry); 
        } 

        //Reset sessions data array and Set values for new module 

        $sessionsAry = array(); 
        $moduleId    = $row['ModuleId']; 
        $moduleName  = $row['ModuleName']; 
    } 
         
    //Add session data to array for current module 
         
    $sessionsAry[] = array('SessionId'=>$row['SessionId'], 'Mark'=>$row['Mark'], 'SessionWeight'=>$row['SessionWeight']); 
         
}
What I want to know is how can I do something similar for course so that it picks out the right modules depending on the course it displays. There maybe some code that needs to be added in the function.

Michael Feathers coined the term Legacy Code as being code without automated tests.   Still however Legacy Code evokes a vision in me that it is code that is ugly, old, runs on mainframes, and is probably 3000 lines long, uses globals and questionable code practices.   But say we take this ugly nasty code, and put it very nicely under test, but without doing any refactoring, other than that necessary to be able to put it under test in the first place. Now that code is under test.  But it it still ugly.  How would you call ugly code under test?   Would you make a differentiation between old & ugly and modern & pretty code if both are under test?

Hi, this is my first time posting here.
 
I am just delving into PHP and I am learning about foreach loops.
 
I have written code in Notepad++ EXACTLY the way I saw it in a tutorial video I watched (I wish I could show the tutorial video to you, but it is on Lynda.com and you have to pay to watch)   I attached the file with my code.   The example 1 code works just fine.   The example 2 code is the one that is not working for some reason. However, it worked for the guy that wrote it in the video, so I am not sure where I am going wrong?   *The comments in green are mainly for myself, I explain things to myself so that I don't forget what the code does      forloops.php   1.74KB   2 downloads   I would appreciate some help. Thank you!!!