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.

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4
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3answers
103 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 ...
4
votes
0answers
31 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
53 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
43 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
42 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
48 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
124 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
3answers
257 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
275 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
596 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
28 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
48 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 ...
0
votes
1answer
77 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
708 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
74 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
59 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? ...
1
vote
0answers
33 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
144 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 ...
5
votes
1answer
1k 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
166 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
1k 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
88 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
137 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 ...
2
votes
1answer
82 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
146 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
142 views

Database update script

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

Database input script

Is this code secure and valid? If so, can it be improved? ...
3
votes
1answer
170 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
140 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
366 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
128 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
82 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
258 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 ...
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votes
1answer
197 views
3
votes
1answer
346 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
101 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
303 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. ...
1
vote
2answers
97 views

Does this code avoid SQL injection?

I have the following PHP code but I'm unsure, based on the many things I've read, whether or not this is actually safe from an SQL injection attack. ...
5
votes
2answers
422 views

Database Handler Class

I've written this DB Handler class. Please review it and suggest any code edits or point out mistakes and security loop holes. Please also suggest a better way to handle things, if there is a security ...
2
votes
3answers
378 views

Check if URL contains different strings

The code it self is pretty self explanatory, however i do not think it is very efficient at all. Is there a better way to do this? Its basically so i can track spam sites and save the sites into my ...
4
votes
2answers
644 views

PHP and MySQLi login script - is it secure / am I doing something wrong?

Below is the code for my login page. I haven't really used MySQL (especially OOP) before, so I'd like to know if I'm doing something inherently wrong. The code is working as expected, but I don't ...
8
votes
4answers
4k views

PHP OOP Login Class

This is a login class I made for my personal website. What I don't care about, is how secure this login class is, because I know it's not. But it keeps out the rare unwanted guests because I do not ...
7
votes
3answers
1k views

MySQL update with PHP; MySQLi prepared statement in loop

I'm going to develop an Android application that performs simple MySQL operations by invoking server-sided PHP scripts. PHP-MySQL communication is done by MySQLi extension. Each operation that I'd ...
10
votes
2answers
625 views

SQL injection safety check

I was wondering if my code is safe for sql injection. This code just checks if the username exists in my db or not. ...
4
votes
4answers
671 views

Two while for the same query

If I have to loop results of a query echoing first all fields of a column, then echoing something not to loop, then fields of another column. ...
4
votes
2answers
239 views

Updating necessary data using just one function

My objective is to update necessary data using one function instead of having different functions to update different fields. So, I've created one and I think this is not really elegant, efficient or ...
3
votes
2answers
1k views

Dynamically load data into bootstrap accordion navigation bar

I have made a bootstrap accordion navigation bar that loads data dynamically from a database with PHP. Here are the two tables that I use: ...
3
votes
1answer
89 views

Outputting results from a conditional row count across multiple tables

Follow up question for: Conditional row count across 4 tables After getting some excellent help from 200_success, i managed to output the SUM() total of my query ...
10
votes
2answers
213 views

Update of Classes for user registration and authentication

Old Post: Classes for user registration and authentication This post is an update of the old post of mine. This is the code after suggestions were implemented in the review. Do you think I could make ...
6
votes
2answers
1k views