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

1
vote
2answers
14 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
61 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: ...
-3
votes
0answers
25 views

PHP profile code. improvements? [closed]

I have this code for a user profile. ...
-1
votes
0answers
21 views
7
votes
2answers
637 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
48 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
54 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
24 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
58 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 ...
4
votes
1answer
238 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
146 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
393 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
71 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
0answers
81 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 ...
3
votes
1answer
62 views

Checking if my code is secure

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
112 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
100 views

Database update script

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

Database input script

Is this code secure and valid? If so, can it be improved? ...
3
votes
1answer
103 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
105 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
324 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
109 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
63 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. ...
2
votes
1answer
58 views

Merging totals from rows with duplicate IDs

I have the following query which updates the quantity when there are duplicate items and users (there should only ever be 2 duplicates), then deletes the row which doesn't get updated... ...
3
votes
2answers
181 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
119 views
3
votes
1answer
270 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
91 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
196 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
89 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
289 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
357 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
542 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
3k 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
941 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
611 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
592 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
226 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
901 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
76 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
182 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
825 views
10
votes
1answer
210 views

SQL Tic-Tac-Toe attempt

In an attempt to practice conditional statements in SQL I decided to design a tic-tac-toe game with MySQL. Let me know if you think any of the steps could be done better. Step 1: Create the game ...
2
votes
2answers
133 views

SQL Injection when not using variables

Do I still need to protect my code against SQL injection when I'm not using variables in SQL queries? Is this code still vulnerable?: ...
2
votes
1answer
117 views

SQL injection security

I wanted to know if this code is safe against SQL injection or not? Also do I need to mysqli_close if I already did the ...
2
votes
0answers
121 views

Pagination object oriented

This a little pagination script that I am writing "Object Oriented" and I have no idea how to set the current page equal to total page, if the current page is greater. I also would really like it if ...
4
votes
1answer
60 views

Blog engine or somesuch

Would someone tell how I can improve this piece of code? ...
7
votes
2answers
158 views

Modifying `sakila` database

This is not "real life" code. I'm trying to expand upon the well known Sakila sample database for MySQL to make it more complex. Step 7 (or 6) is running ...
7
votes
2answers
129 views

How is my injection protection?

What do I need to do to prevent injections? In addition, if I have any statement/parameter errors, please tell me. ...
1
vote
2answers
345 views

MySQLi-extension class (parameterized queries)

I've written some code today to be able to dynamically execute prepared statements/parameterized queries. I need a fresh pair of eyes to look through my code for eventual performance gains that can ...