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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Register page for website
I've been working on a simple forum website as a toy project, to start learning PHP and SQL. I've implemented all of the functionality I want, but I thought I'd run the code by the Code Review ...
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72 views
Email thousands of customers from a PHP form using a MySQLi query on a MySQL database
How can a large internet service provider email certain customers to warn them about an impending service interruption? I'm providing what I think is a reasonable solution, but I have not tested it. ...
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2answers
102 views
PHP OOP Login Script
I'm new to both PHP and OOP and would like some constructive feedback on a class I made.
I have a "main account" login system already setup and working; when the user logs in they're presented with a ...
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1answer
54 views
Select random IDs from a table, using MySQLi
I've created a "simple" function that receives a MySQLi resource and, using a custom where query, will fetch random IDs from a provided table.
Some caveats on this:...
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3answers
175 views
Booking appointments with MySQLi and PHP
The following code books one appointment for one or more slots. I have never used database before, but have seen so many warnings regarding SQL injections. Since it has never affected me I have not ...
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4answers
240 views
User registration and authentication in PHP and PDO
Please criticize as thoroughly as possible, even the smallest thing will be very useful for me.
I'm trying to create a safe and easy system to change for future projects. I am aware that it should ...
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3answers
143 views
Using object oriented PHP to display users in a database
I'm new to object oriented PHP, so I'm sure of the good or bad practices. The below code is working perfectly, I just don't know if it is a bad or good approach to use most of the methods as static ...
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1answer
54 views
DataBaseaction function connect insert update MySQL tables
This class will take just the table name and data array and will do the rest, update or insert. I know it's not perfect, but I could use some feedback.
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1answer
83 views
Class for database connections in PHP
I have made this class for database connections to my applications. It eases out the task of making connections to the database with knowing the credentials in advance and provides a way to execute ...
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1answer
86 views
Function for inserting data into database
I have this function to ease out the task of inserting data into databases.
I am not very sure if it is secure to use it this way.
Any suggestions on improving it?
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54 views
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1answer
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Getting the last post of all threads
My MySQL query is loading very slowly (over 30 secs) and I was wandering what tweaks I can make to optimize it.
The query should return the last post with the string "?" of all threads.
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3answers
68 views
Three PHP database queries to manage accounts
I have a database connection PHP file which has a lot of queries to the database. Here are 3 of the functions that I am using:
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1answer
48 views
Function that calls the database connection and query
I made a function that contains the database connection and query. Now I'm always calling this function every time I need to query a database. Is it good or is there another way better?
Database ...
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1answer
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Moving To Object Orientated Programming
Please keep in mind I am new and still learning when reading the following.
What I am doing
I have the following code which pulls a sport, tournament and round NR, from a DB table called ...
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PHP mysqli code for login form
Can you check my code if I wrote like a professional?
connection page.
form sign page.
plan page.
log out page.
First I create the database and tables, then the connection file, then the form sign ...
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3answers
51 views
Building session array from post to build search query
So I am making post requests to a page for search queries. I am turning them into a session array so I can paginate the results. The process kind of feels ugly and long winded. I need code review for ...
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2answers
113 views
Checking the status of a website by hitting a PHP script
I currently have a system which loops through a bunch of my website domains and checks their status and sends me a notification letting me know if they are up or down. The stripped down version of the ...
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1answer
51 views
Queries for the number of users seen each day
The below code returns an array filled with the number of users last seen for each day for $dayCount number of days that is specified via a parameter into the ...
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2answers
288 views
Inserting a record into MySQL with a timestamp
I'm starting with PHP so I can save data to a MySQL database. I read a lot and it seems the "escape" strings is not so safe.
This is my code:
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3answers
185 views
Getting and posting data use PHP OOP and MySQLi
I am not very experienced in PHP OOP. Moreover, when MySQLi comes with PHP OOP, it makes me more confused about using it in the most efficient way.
Connection class:
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1answer
49 views
Get title from database based on member country
I asked this question before. However, I realized that I had to edit some of my code after I got good answers. Therefore, I'm asking a new question here.
I have the following database:
Each member ...
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1answer
67 views
Load title from database based on member country
As tim suggested, some changes to the database was necessary. I have posed an improved version of this question at Get title from database based on member country.
I have the following database:
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2
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2answers
55 views
Insert into two tables during user registration using PHP
I'm working on creating a user registration script in PHP. I have two tables that need to be inserted into. One that stores some general user information, and another that stores their login ...
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1answer
78 views
PHP pages that interact with MySQL
Could someone review this PHP code to see if my pages are coded safely to not allow common attacks (SQL injection, XSS, etc.)? I would be thankful, of course, for anyone to point out other problems in ...
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Simple data-fetching and conversion into JSON using two different patterns
I'm trying to fetch and convert data into JSON format. Some days ago I was using MySQLi but someone told me this is susceptible to SQL injections when I asked a question for code review. Now I'm ...
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2answers
161 views
Adding an item to database + JSON
Is this code good? Or is it the noobiest PHP you've ever seen?
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1answer
196 views
PHP/MySQLi code for registration/login form
The following code works, I just want to know if there are any suggestions as to how I can make it better or more secure. Thanks.
config.php:
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1answer
85 views
Checkout process
I'm building a checkout process where I am quite frequently making SQL connections based on user input so this is quite important. I want to know if it's well-protected from any SQL injection or other ...
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135 views
PHP rating function for getting the average value of column
I created a function to add and return the average rating.
Rating Function
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1answer
131 views
Preventing SQL injection without using prepared statements
I'm learning OOP and totally new to this way of coding. I've always scripted PHP the procedurial way. Now I've written a working class, which creates a database connection and has the method to create ...
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1answer
142 views
Prepared PHP statement to fetch posts for some category
I am slowly learning PHP and have been using prepared statements.
I have a simple category.php page, which takes a category tag to display posts from that category, such as localhost/php/category.php?...
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1answer
105 views
Database and user classes for my personal CMS
I have written my own CMS for learning, and have included all of my core files below.
This is my first time playing with OOP and prepared statements, so I imagine there may be alot of changing. There ...
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2answers
134 views
PHP crawler to collect comments on articles
I have code that parses through web pages finds commentaries and saves commentary info in DB. I have an array where all necessary pages are stored. I iterate through all these pages one by one and ...
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3answers
1k views
Inserting OAuth data into a database
I am totally new to PHP. I just wrote a PHP script for google oauth to pull the data and insert into my database. I don't know if my code is vulnerable to SQL injection. Should I have used prepared ...
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1answer
72 views
Adding tables and values to a database
I am having problems with my code because I am using a system called styleci. Can you please check it? How can I make it better and more secure?
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2answers
111 views
First user login function: Security and efficency opinions
I am writing an application for work. This application will sit on a closed network but I still have to be concerned about security. There will be a maximum of three types of user for this application:...
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630 views
Function to get rows from database
I have a function that returns rows from my database, and it works fine, but I was told that it was poorly written, and there is a lot of unnecessary code in it. I'm wondering if there is a simpler, ...
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2answers
8k views
Inserting JSON array data into a MySQL database using PHP
Here I am parsing a JSON array and inserting it into a MySQL database. The JSON Array comes from my android code.
This is how my JSON array looks like:
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1answer
71 views
Security of login form using prepared statements
I've prepared a simple login form, using prepared statements to prevent SQL injections. How secure is this ?
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2answers
94 views
Custom MySQLi connector class for PHP
I have written a class that connects to a database using MySQLi and has methods for the connection itself and returns the instance of the MySQLi class.
This works, but feels a little "clunky" and ...
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2answers
63 views
Authentication check in index.php file
I am aware that this code is vulnerable for SQL injections, but I don't know how to avoid it.
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1answer
191 views
Pulling data from API, Allowed memory exhausted
I'm working on a project where I pull data (JSON) from an API. I would like to manipulate this data and store this as useful information in my DB (MySQL). My code is working if I would like to make, ...
4
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1answer
352 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 ...
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1answer
32 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;
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2
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3answers
164 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 to ...
2
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2answers
99 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.
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1answer
72 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 ...
6
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2answers
169 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 ...
