The MySQLi extension, or as it is sometimes known, the MySQL Improved extension, was developed to take advantage of new features found in MySQL systems versions 4.1.3 and newer. The MySQLi extension is included with PHP versions 5 and later.

learn more… | top users | synonyms

-3
votes
0answers
8 views

Lottery - simple MySQL saving [on hold]

I'm planning to make a lottery (with PHP and MySQL). This lottery is going to run each hour, and each player can purchase up to 10,000 tickets each hour. You can purchase multiple times, as long as ...
3
votes
0answers
40 views

Converting uploaded video and saving preview images

I'm coding a basic video upload system for a client. The uploaded videos will live on the page using the HTML5 video element. Essentially what I've done is call the following PHP script ...
0
votes
1answer
25 views

Applying prepare statements

I don't feel that my code is secure, and would like some help in using prepare statements for the following; ...
2
votes
3answers
105 views

Checkout (page) backend

I am developing an e-commerce site and am confused about this. Customers come on the site and add some products to the cart. Customers click on the checkout link if already logged in, then will go ...
2
votes
2answers
73 views

Registering usernames and passwords to a database

Here is my script that registers a user to a database. I am still very much a newbie when it comes to this topic so any guidance would be greatly appreciated. ...
1
vote
1answer
35 views

Handle data received by Ajax request and update database (prepared statement)

I have an Ajax request from a page where the user is being asked to enter their date of birth. The request URL file has the code below and works all good. However, I'll be rewriting all MySQL/MySQLi ...
5
votes
2answers
79 views

Password recovery program

This is a password recovery program I made, and I just want it checked out. These aren't all the files for the login and register system, only the password recovery part. The columns in the ...
0
votes
1answer
60 views

Website registration

Can you please tell me how to improve this code? ...
4
votes
1answer
88 views

Database connection wrapper class

I am trying to create a PHP / MySQLi wrapper class that uses prepared statements, the goal of the class is to create a connection to the Database, then INSERT / ...
2
votes
1answer
61 views

Secured Database Insert

I've been working on a safe inserting method for a while, and I think I've found a pretty secure way to do this. Would you CRitters mind taking a look at it and maybe give me some tips to improve my ...
5
votes
1answer
139 views

Website user password verification

I have a login web page where a user enters their email and password and I need to check if: the entered email exists in the DB and the entered password matches the hashed one from the db. The ...
8
votes
1answer
172 views

Basic registration page and database insertion

Please review my registration code and suggest what changes I should make to improve security. I'm new to PHP and this is my first project. Also I have no Idea how to make a "forget password page" as ...
4
votes
3answers
365 views

Preparing and executing MySQL SELECT query from parameters

I am trying to make a function for Select statements. It will give result based from the parameters passed. I tried using it and it gives the results I am expecting. I know that it is still ...
5
votes
1answer
92 views

MySQLi library for handling MySQLi interactions

I wrote this class recently to better structure and handle MySQLi related interactions with PHP and would love to get some feedback. ...
4
votes
2answers
221 views

Dropdown form that shows data from 2 different tables

I am very new to this and am using php and MySQLi to create a form which will create a record in a third table. This works fine but I can't help but think that there is a way to do it with a single ...
2
votes
1answer
48 views

Placing navigation items into an array

I am looking for better ways to write this code. At the moment it grabs a list of all navigation items and places them into an array (using PDO). However, as you can see, it is using two ...
4
votes
2answers
101 views

Shopping cart login and coupon code validation

I am figuring out how I could make the following query more secure: I have already used mysqli_real_escape_string but I doubt that adds much to security. I have ...
3
votes
2answers
91 views

Single MySQLI query to check for admin privileges

I have this script on top of all pages to check if user is admin otherwise we kick him. The problem is that I don't know if I am using double resources with a double query and results. Can I make this ...
2
votes
3answers
498 views

A very secure procedural MySQLI login script against injections

I know there are other ways to create a login script like Object Oriented, Prepared Statements and PDO, but how about those old MySQL PHP users like me trying to change from old style to the new ways? ...
8
votes
2answers
331 views

A PHP User System

This PHP User System was built with MySQLi and I also used Composer. I'm planning to improve this, and add more stuff and release it as a sort of a module for Composer. User.php (Controller File in ...
6
votes
4answers
574 views

Create a 2D array from SQL table

I am a beginner to PHP programming. I wanted to make a 2D array that would store the values of a table into the array. Below is the Frankenstein code I created (every time I wanted to achieve a task ...
7
votes
3answers
1k views

A Simple, One-Page PHP Admin Login (with prepared SQL statements)

First off, I want mention that this code works well. This is more of a request for suggestions... We're attempting to program a one-page, recursive, token-based admin shell that is safe from ...
1
vote
1answer
30 views

PHP form to database fit for purpose

This code is intended to take input from a form and append it to a database table. The same data is sent to a separate function for subsequent mailing to the respondent. I'm self-taught and it works ...
-1
votes
2answers
81 views

MySQL query in nested loop to get scores and averages for students

I am trying to get the scores and average for all assignments for records in a MYSQL database. The code below works but seems to take quite a bit of time to run because of the nested while loop. Any ...
2
votes
1answer
83 views

Combine Mysql limit query

Is it possible to combine these queries into one query? I am trying to see and average all scores but also count and average just the last three based on the same grouping. This is the main query: ...
7
votes
2answers
752 views

Preventing SQL injection by converting all characters to their ASCII values

Scenario In order to prevent SQL injection, I'm converting every character of a string to be inserted in the database into its ASCII value before performing the query; in order to read the value of ...
3
votes
1answer
127 views

A User class for visitors to register and log in to a site

I'm just looking for some feedback on my User class. The class is designed to handle users being able to register, login, and logout of the site. I'll be using it in conjunction with a forum I'm also ...
0
votes
1answer
63 views

API POST to save a new item in a Database via PHP & MYSQLI

Is this correct MYSQLI implementation? IS it safe from injection? IS the object cleanup done properly? ...
2
votes
0answers
49 views

Custom 503 page for MySQLi connection error

I redirect all my requests to index.php via htaccess and the code below is in my index.php. I want to ask if my code is properly set for a custom 503 page for an unsuccessful MySQLi connection trial. ...
3
votes
0answers
292 views

Web service for Android clients to store images

I wrote this code for Android server interaction. The way I built the client was an onSharePreference of strings includes photo encoded to a base64 ...
6
votes
2answers
3k views

Prepared Statements / MySQLi / PHP Registration/Login Form

I'm just looking for some feedback here. I'm fairly new to MySQLi & PHP, but I've been working at it for a bit now, and reading up on how to make secure login forms, avoid SQL injection etc. I'm a ...
3
votes
2answers
195 views

Programming MySQLi prepared statements

I'm programming code with MySQLi prepared statements. I'm a beginner and just want to ask to experts if my code is correct. ...
4
votes
2answers
3k views

Simple PHP Login Register Script with OOP

I am relatively new to programming and OOP in PHP. I tried to create a Simple Login Register Script using my basic knowledge of OOP. I'm sure my code can be better in a lot of way. I'm trying to code ...
3
votes
1answer
99 views

Inserting data into database

I started learning PHP and MySQL, was using MySQL_ functions. Then I learned they are deprecated, had to choose between PDO and MySQL. I chose MySQL and started using it. As I learn OOP PHP, I ...
5
votes
1answer
176 views

Security of login and register system

I need some help with my register and log in functions. I'm not sure if I have understood bcrypt correctly either. I'm doubting the security of it, what do you ...
0
votes
2answers
115 views

Dynamic connections classes

I have an abstract Connection class which looks like this: ...
3
votes
1answer
89 views

Calling a MySQL procedure with an arbitrary parameter on a GoDaddy website

I'm deploying a PHP project, and I always try to use prepared statements, but unfortunately, GoDaddy does not have the mod mysqlnd which I use it for the function ...
2
votes
1answer
172 views

Script for a multi-user webapp database connection

I have the following working script which I use for my database connection for a multi-user webapp. I use a different database for the login, this script is called only after the user is successfully ...
1
vote
1answer
174 views

Database update script

Previous question: Database input script I'd like this new question reviewed. ...
3
votes
1answer
105 views

Database input script

Is this code secure and valid? If so, can it be improved? ...
3
votes
1answer
255 views

Secure INSERTs with Mysqli

Is this code well protected, and if not, could you tell me how it might be exploited and how to secure it? I'm using mysqli. ...
4
votes
1answer
225 views

PHP MySQL Database class

This is a PHP database class. Yes, I know it's using the MySQL functions, which are deprecated, but I shall be updating it to MySQLi soon. Can you please review this code and give any comment on any ...
5
votes
2answers
455 views

Custom MySQLI Class

I have created this MySQLI Class. I wanted to know if this class is secure enough to be used on the production websites or more improvements can be done to this class. ...
4
votes
1answer
155 views

More maintainable API for wysihtml5 widget

For an HTML calendar with jQuery, I put in event listeners to enable jQuery drag-and-drop that reads and writes to persistence using HTTP get and post with JSON structures. Now I'd like to make the ...
2
votes
1answer
102 views

Class to get user information

I've just begun creating a class to get User information, and I'd like for it to be improved. The global variable $oConni is the database connection. ...
3
votes
2answers
367 views

PHP framework building: MySQL Connection and query class

I am building a PHP framework and would like to get some feedback on a few different sections of the project so far. I consider myself still a neophyte in PHP so I would like to ask if I'm going about ...
-1
votes
1answer
349 views
4
votes
1answer
454 views

PHP MySQLi database wrapper

I am developing a mysqli database wrapper. I've made an effort to make this as fast as possible and easy to use. However, now I want to start adding callbacks (for ...
5
votes
2answers
105 views

Average of averages

I need to get the average of multiple averages calculated basing on data contained on a sql database. To do that, I'm using this code: ...
5
votes
1answer
512 views

Doing a roll back with multiple MySQLI prepared statement

This is my code for doing a roll back with multiple MySQLI prepared statement. I want to know if anything is wrong with the code. ...