Php sports betting open source jobs

I'm seeking a skilled Full Stack Developer with extensive experience in PHP to develop a web application. The primary functionalities I'm looking for in this project are around the API and the ability to handle data updates. Key Requirements: - Expertise with PHP: The ideal candidate should have a strong background in PHP, with the capability to develop robust and efficient code. - Full Stack Proficiency: The project requires both frontend and backend development. Proficiency in both areas is crucial for the success of this project. - API Development: You should have experience in developing APIs, especially around data updates. This is a core part of the requirements. The project is focused on developing a web application and ensuring that the API is cap...

I'm looking for a talented designer to create a brand new badge for our football club, SS United FC. Key requirements: - Colors: Black and blue - Elements: I'm particularly interested in incorporating a soccer ball into the design, however, I'd like to leave the overall creativ...FC. Key requirements: - Colors: Black and blue - Elements: I'm particularly interested in incorporating a soccer ball into the design, however, I'd like to leave the overall creative direction to you. - Text: The badge should prominently feature our club's name, "SS United FC". Your design should be unique, modern, and well-suited to represent our club. A strong portfolio in logo design or sports branding is essential for this project. Prior experience with foot...

I'm in search of a skilled sports writer specializing in cricket. I need 3 articles per week, each running between 1250 and 1500 words. The articles must be: - AI Free (AI detection score must be 5% or below) - Plagiarism 0% - Professional tone and quality content. Payment Criteria: - Initial payment will be for the first article, then, weekly for 3 articles. - 10 NZD/Article (1250-1400 words) (Fixed, not hourly) - Weekly 30 NZD - You can work as long as you want meeting our requirements. The ideal candidate for this role has: - A passion for cricket - Proven experience in sports writing, particularly cricket (Must show samples in this niche). - Strong research and analytical skills - The ability to produce high-quality, engaging content on a regular basis If you�...

I'm currently experiencing a syntax error within a data retrieval process in my SOAP database management system. This error is interrupting the smooth functioning of my website and application. Requirements: - Extensive knowledge and experience in PHP and SOAP. - Proven track record of successfully resolving syntax errors, particularly within data retrieval processes. - Ability to identify, debug and promptly solve syntax issues. - Ability to work efficiently, ensuring minimal downtime during fixes. Additionally, recommendations for preventing similar issues in the future would be appreciated. The ideal candidate should be available to start as soon as possible.

I am seeking a proficient Flutter developer to create an application for both iOS and Android platforms, with integral backend development using PHP/MySQL. Key Responsibilities: * Develop a Flutter app for both Android and iOS platforms. * Backend development of the app using PHP/MySQL. * Creation of Data fetching APIs for seamless user-experience. Ideal Skills: * Proficient in Flutter * Extensive experience with PHP/MySQL backend development * Skilled and knowledgeable in creating Data fetching APIs If you have proven experience in similar projects, I am willing to discuss the details further. Your understanding and expertise in Flutter development and API creation is paramount for this project.

I need a talented graphic designer to create a 90s style sports t-shirt featuring 17 NBA players. Requirements: - The design should capture the vibrant and iconic style of the 90s. - I will provide a selection of 17 NBA players to include. - The design should be visually appealing and of high quality. Ideal Skills and Experience: - Proven experience in creating t-shirt designs, particularly sports-related ones. - Proficiency with graphic design software. - A strong understanding of 90s aesthetics and design trends. - Ability to take direction and deliver on a tight deadline.

Overview: We are seeking a skilled UI/UX designer to create the design for a fantasy sports app. The app will provide users with an engaging platform to participate in various fantasy sports leagues and competitions. Key Features: Splash Screen: A visually appealing splash screen that captivates users' attention and sets the tone for the app experience. App Opening Screen: A seamless and intuitive app opening screen that guides users into the main interface of the app. Onboarding Screen: A user-friendly onboarding process that allows users to register/login using their mobile number and OTP authentication. Registration/Login: Smooth and secure registration/login process, integrating mobile number verification for authentication. Refer Code Screen: After successful ...

I need a proficient PHP developer experienced in manipulating URL accessibility. Ideally, only Google bots should access the URL, keeping the link invisible to all other including real human. The task requires the ability to: - Leverage PHP to restrict access to the specific URL; - Use user agent string detection to discern between Google bots and real human users; - Block all real users, regardless of their geographical location or device used. Your extensive background dealing with PHP, coupled with a solid understanding of user agent strings, is essential for this project. If you have previous experience working on similar projects, those will be advantageous. Please share examples of your past work if possible.

I'm in need of a talented PHP Nextjs developer for a project involving a range of tasks including Backend development, Frontend development, and API integration. If you're well versed in PHP and JavaScript, and have extensive experience working with , this could be the ideal project for you. Key Tasks: - Backend development: I require a skilled developer to build and maintain the server-side of the web application. - Frontend development: I need assistance with the development and maintenance of the client-side of the application. - API integration: Experience integrating various APIs is a must for this project. Specific Features: - User Authentication: You'll be responsible for implementing a secure and user-friendly authentication system. - Database Integra...

I'm looking for an experienced game developer to create a cross-platform open world game with a realistic setting that can be played on PC, Console and Mobile. Key Requirements: - Development for PC, Xbox, PlayStation and Mobile platforms - Create a realistic open world experience - Ensure smooth cross-platform functionality The game should focus on the following elements: - Exploration: Detailed and immersive open world for players to discover - Combat: Engaging combat system that fits the realistic setting - Story-driven missions: Engrossing narrative that drives player engagement Ideal Skills: - Prior experience in developing open world games - Proficiency in multi-platform game development - Strong understanding of realistic game design - Ability to...

...visitors. The primary focus of this project will be optimizing the server's Plesk settings, Postgres and MariaDB databases, and PHP 8.2 configuration. Key tasks will include, but are not limited to: - Configuring Plesk for optimal performance, including adjusting server pool size - Identifying and implementing improvements to Postgres and MariaDB settings to reduce slowdowns - Tuning PHP 8.2 to enhance website speed and performance Ideal candidates for this project will have: - Proven experience in optimizing dedicated servers, particularly with Plesk and Almalinux - A solid understanding of database optimization, including Postgres and MariaDB - Expertise in PHP configuration and optimization - Excellent problem-solving skills and the ability to work effi...

I'm seeking a skilled PHP/MySQL developer to create a custom PHP POS application. This job will require you to have good experience in PHP/MySQL. You will be paid on a task-based. We will test you with some sample tasks. To be eligible for further discussion I want you to have a look into the portal by visiting the below link and create a free account and try the portal give me one issue you have faced and can be improved in the portal. If you are unable to do above then your application will be rejected immediately.

...need of a talented and creative logo designer who can create an illustrative, sports-themed logo for my t-shirt brand. The logo will be primarily utilized for printing on t-shirts. Key Requirements: - Illustrative Design: I'm seeking a design that embodies the energy, dynamism, and passion of sports. The logo should be visually appealing and capable of catching the attention of sports enthusiasts. - Understanding of Print Design: The logo will be primarily used for printing on t-shirts, so the design should be adaptable to this medium. Experience in designing for print will be highly regarded. Ideal Skills and Experience: - Proven experience in logo design - Proficiency in illustration - Previous work in sports-related design is a plus - Understandin...

I'm in urgent need of a full stack PHP developer for a custom web application. The ideal candidate should be proficient in both front-end and back-end development, as well as database management. Key Responsibilities: - Developing a custom web application using PHP - Implementing both front-end and back-end features - Ensuring proper database management Key Requirements: - Prior experience in developing custom web applications - Proficiency in PHP, with a solid background in both front-end and back-end development - Experience with managing databases - Good understanding of security and scalability - Ability to work in a fast-paced environment - Strong problem-solving skills Please note that knowledge of any specific frameworks like Laravel, CodeIgniter, or Sy...

I need a skilled PHP developer with full-stack capabilities for an urgent web application project. The primary purpose of this project is the development of a web application, with a major focus on user login and authentication. Key Tasks: - Front-end Development: The ideal candidate should be proficient in creating user-friendly interfaces that are engaging and responsive. - Back-end Development: A strong understanding of server-side languages and database management is essential for this project. - Database Integration: The successful candidate will be responsible for integrating and managing databases to ensure seamless operation of the web application. The most important feature of this web application is user login and authentication. As such, the developer should have a pro...

I'm in urgent need of a PHP developer to create and implement APIs. The API will be utilized by a frontend that's already been designed. Key Project Details: - I'm looking for APIs to cater to User authentication, Data retrieval, Data manipulation and allow for file uploads. - The project has an 'ASAP' deadline, so I'm seeking a developer who can start immediately and work quickly without compromising quality. Ideal Candidate: - Proficient in PHP and experienced in API development - Skilled in creating secure and efficient user authentication systems - Capable of executing data retrieval, manipulation, and file upload functionalities with precision and speed

I currently have a PHP script that echo's the value of a MySQL db and results appear 3 to a page using Pagination. I'd like the script modified to filter results. There should be a drop down box on the page with the selections of the drop down corresponding to the table column and when selected only the rows with the value of the column appear while still only displaying 3 to a page with page back and forward controls. In the below example of a db table the drop down box would contain the selections 1, 2 and 3. When the used selects 1 then the page output would only display Bob, Jane and Sarah. This is an already existing page with css in the output. Name Address. number ------------------------------------------------------ bob brisbane. ...

php 8.3 downloaded from . I require an expert in PHP installation and testing on my Windows 10 LAPTOP. I do not need Xampp or Wamp.

I'm searching urgently for an experienced PHP architect who can construct a unique e-commerce shopping cart and accompanying admin panel. Key Responsibilities Include: - Constructing a product catalog and search functionality to allow customers to easily browse and locate items. - Integrating an 'Add to cart and checkout' feature ensuring a simple and smooth transaction process. - Developing order management and inventory tracking system within the admin panel to help me keep track of orders and product stocks. Skills and Experience Required: - Proficient in PHP programming - Experience in developing e-commerce websites - Solid understanding of databases and SQL - Familiarity with different payment solutions Although there is no specific requirement fo...

I need a skilled developer to integrate an International Payment Gateway into my PHP-based website immediately. Integration of Payment Getway in the website which will accept USD and this should work in Both Indian people and Other Countries. Website URL is - freelancerbridge(dot)com

I am in need of a professional who can promptly install and customize a PHP script for me. The PHP script I need to be installed is purchased through codecanyon. You will install, test all functions and activate license on our server. Being somewhat urgent, my requested completion for this project is ASAP. I value efficiency and swift, quality work. Thank you

I need a robust StarCloud print feature integrated to my website through PHP. I require an expert in PHP who understands how to efficiently generate receipts directly from a website. Key Features Required: - Personalized receipt printing: Upon a successful order, a receipt should be generated for that specific transaction. - Simplified design: The receipt should be simple, uncluttered and easy to read. Please note, only the code is needed, no additional information like payment or customer details should be included. Ideal skills and experience: - PHP proficiency to ensure seamless integration - Familiarity with StarCloud system - Understanding of efficient coding practices for smooth running.

I'm in need of a sporty logo for my snooker and badminton center. The design should be minimalistic and sleek, reflecting the essence of both sports. - The logo should include elements from both snooker (like cues or balls) and badminton (like rackets or shuttlecocks). The combination should be harmonious and well-integrated. - The color scheme should be a blend of blue, green, and red. These colors should be balanced to evoke the right amount of energy and professionalism. The ideal candidate for this project should be a creative logo designer with experience in sports branding. A good understanding of the snooker and badminton cultures would be an added advantage. Your portfolio should demonstrate your ability to create distinctive and memorable logos.

I'm in need of a skilled PHP CodeIgniter Developer to help me debug my existing application. Key Points: - The main goal of this project is to fix bugs within the current application. Therefore, I require someone with a strong background in troubleshooting and debugging. - I'm specifically looking for a developer with extensive experience in PHP CodeIgniter. Therefore, please highlight your experience in this specific framework when you apply. Ideal Candidate: - Proficient in PHP CodeIgniter - Proven experience in debugging applications - Strong problem-solving skills - Excellent attention to detail - Ability to work independently and efficiently Please make sure to include your experience in your proposal. Looking forward to working together.

Good evening, I need help with a Python assignment and I also need programming tutorials in java, Python, mvc, php, Javascript, mysql, jQuery, html, css, asp.net, c#. The tutorials would be in Spanish. I need them as soon as possible.

As an owner of a football coaching business, I'm looking for a skilled graphic designer who can create a minimalist logo for my brand. Key details to include in the design: - The primary color of the logo must be red. - Incorporation of a football symbol. Ideal skills: - Proficient in Adobe Illustrator or similar design software. - Experience in minimalist design. - Past work in sports or fitness industry is a huge plus. Your portfolio of previous logo designs will be very helpful in my decision process. Looking forward to your creative designs!

I am in search of a skilled shoe designer with a keen interest and experience in designing sneakers and sports shoes of premium quality. This project focuses specifically on the male consumer market, so an understanding of the preferences and aesthetics of men's athletic footwear is a must. Key Requirements: - Design sporty, functional, and stylish athletic sneakers suitable for men. - Good understanding of footwear design principles and trends in men's sports shoes. - Ability to create designs that balance aesthetic appeal and functionality well. Preferred Experience: - Prior experience in designing men's athletic shoes or sneakers. - A good knowledge of sneaker cultures and trends. - Proficiency in design software. Some of the References Designs like RedT...

I'm in need of someone adept at PHP and SOAP. My development site is currently returning a warning message: "Attempt to read property "Invoice_Number" on string." I've set up a dev SOAP server for you to carry out the work. At this point, I'm uncertain if I'm attempting to access the "Invoice_Number" property on a string. There are also no other error messages accompanying this issue. Key tasks: - Identify the cause of the "Invoice_Number" warning - Fix the PHP SOAP warning Ideal skills: - Proficiency in PHP - Experience dealing with SOAP - Ability to troubleshoot and resolve such issues promptly

...at the intersection of sports and blockchain technology, MetaMatch aims to revolutionize fan interaction with sports through the integration of NFTs and real-time event engagement. The logo should encapsulate the essence of blending traditional sports with cutting-edge blockchain technology, appealing to both tech-savvy and sports-loving audiences. Specific Requirements: Concept and Design: The logo must convey a sense of innovation and connection, symbolizing the fusion of real-world sports and blockchain technology. It should be modern, easily recognizable, and scalable for use on various platforms and sizes. Color Scheme: We are looking for a color palette that stands out yet feels intrinsic to both the digital nature of blockchain and the dynami...

...agency to undertake a thrilling project involving the design and animation of a collection of digital NFT cards for two major fighting events: UFC 303 featuring Conor McGregor vs. Michael Chandler and an exciting bout between Mike Tyson and Jake Paul. This project builds on the success of our previous initiative in the fantasy football game space but shifts the focus to the dynamic world of combat sports. The freelancer will create digital cards and animated openings for each card, employing a distinctive and engaging style that captures the intensity and personality of each fighter. Specific Requirements: NFT Card Design: Design four unique digital cards representing the fighters Conor McGregor, Michael Chandler, Mike Tyson, and Jake Paul. The designs should include detailed f...

urgent php laravel for website and api mobile app development More details: What specific PHP/Laravel tasks do you need assistance with? Fixing bugs in an existing website Could you describe the types of bugs you've been encountering on the existing website? User interface issues, Database related problems, Functional errors in the code Are there any specific pages or features on the website where these bugs occur more frequently? Homepage, Login/Registration, Product pages; Checkout process

We need animated transitions using our logos to transition from one image/camera to the next like you would see in a sports tv broadcast

I'm looking for a PHP developer to assist in the web development of a web page for a customer I'm working with. The primary focus will be on implementing the ability to display customer raffle ticket numbers from the database to a WordPress page. Current page was rendered obsolete by a plugin update and needs to be rewritten. Ideal Skills and Experience: - Proficient in PHP, with a good understanding of its ecosystems - Experience in web development, particularly with WordPress - Knowledge of database management for websites - Ability to integrate and display data in a clear and user-friendly manner

I'm looking for a skilled web developer to assist in creating an integrated PHP/HTML code for integrating Star Micronics Cloud print. Your responsibilities will include: - Understanding the requirements of the Star Micronics Cloud print - Creating a detailed, clean, and functional code in PHP/HTML - Testing the code to ensure there is a smooth integration Ideal Skills: - Expertise in PHP and HTML - Experience with Star Micronics Cloud print integration - Skill in creating and integrating efficient codes. Please, only apply if you have a strong understanding of Star Micronics Cloud print and the ability to deliver a well-written, effective PHP/HTML code.

I'm looking for a talented graphic designer to create a retro-style logo for my pinball league team. Your creativity and attention to detail will be key in bringing our vision to life. Key Requirements: - Retro Style: The logo should have a vintage, retro feel that...Style: The logo should have a vintage, retro feel that captures the essence of classic pinball. - Elements: The design must incorporate a pinball machine and our team mascot. - Color Scheme: I prefer bright and vibrant colors to make the logo pop. Ideal Skills and Experience: - Proven track record in graphic design, particularly in creating retro-style logos - Experience in creating logos for sports teams or leagues would be a plus - Strong understanding of color theory to effectively execute a bright and vibra...

I have the source code for an open source tool that I need help compiling. It's crucial that the compiled tool is compatible with macOS. Additionally, I have a patch that needs to be applied. I would require concise documentation that outlines the key steps to apply the patch and compile the tool. Expertise in C, open source tools, compiling, and patch application is essential. The ability to provide clear and concise documentation is also a must.

Due to time and resource constraints, I need to migrate a component written in php (symphony) to Golang. The part on github relating to services towards the DB (MongoDb) and the new REST APIs (written in Golang) to access for interfacing is already active. The system will only have to execute queries on MongoDb (via Service) and render in twig template. The repository layer and service and repository are already developed in golang and will be provided. As well as indications on the function to be translated into golang. GIT access will be via wireguard VPN on the development environment

I'm in need of an experienced PHP developer to significantly enhance and upgrade my existing PHP script. The scope of work involves: - Adding new functionalities: Specifically, I am seeking to integrate payment gateway and app, as well as implement a subscription wallet and automated payments system. A background in financial integration technologies is preferred. - Modifying existing features: Notably, the user profile management feature and data management & reporting functionality need revisions. Experience in generating robust user interfaces and crafting intuitive data management systems will be key. Prospective freelancers should have demonstrated experience with PHP, user interface creation and data management tools. Proven skills in payment gateway...

I am in search of a skilled developer to set up PHP 5.6 and PHP 7.2 on our dedicated server. The server currently runs Plesk and Ubuntu 22.04.4 LTS. I need both PHP versions running on the server, as we have one Magento 1.9 website and one Magento 2.3 website. Key Requirements: - Install PHP 5.6 and PHP 7.2 on our dedicated server running Plesk and Ubuntu 22.04.4 LTS - Set up both PHP versions to be used on different websites - I may require support in configuring the websites to use the specific PHP versions after installation The ideal candidate for this project should have: - Extensive experience working with PHP installations on dedicated servers - Proficient knowledge of Plesk and Ubuntu - The ability to provide guidance on ...

I'm looking for a skilled developer who can help me customize the Colibrism PHP social network script. Key Requirements: - Experience with PHP and social network development. - Ability to work with Colibrism's source code and make necessary modifications. - Understanding of user profiles, authentication, and social media integration. - Capable of implementing basic social networking features. This project could be an exciting opportunity for someone who is familiar with PHP and social networking development. The ideal candidate should be able to understand the structure of Colibrism and implement modifications to suit my specific needs.

I'm looking for an experienced graphic designer to create a compelling flyer tailored for fishermen. This flyer's size should be standard letter size (8.5 x 11 inches). Key elements to include: - A variety of e...fishermen. This flyer's size should be standard letter size (8.5 x 11 inches). Key elements to include: - A variety of engaging worm graphics - Information on worms and their benefits for fishing - A captivating image of fish The ideal candidate possesses excellent design and layout skills, with previous experience in flyer design highly preferred. Familiarity with the fishing industry or outdoor sports is a bonus. Effectively communicating information in a visually appealing and straightforward manner is incredibly important for this job. Let's ree...

I'm urgently seeking a proficient PHP/MySQL developer to tackle several key tasks for my project. Although I chose to skip specifying the exact functionalities, the developer should anticipate working on tasks such as: Work on 45 pages, each very simple. There are 3 main page features: 1. View table from DB 2. Create new record in that table 3. Edit record in that table Most the pages are the same, just a different table. A few tables have some other functionality but it's all very easy. All html design has been done already, you just have to add some PHP/MySQL code to make the pages work with the database. You also need to create the DB, table and records. Though most have been created already. You would need to double check them though. I also need the ...

My Client is looking for an experienced Full Stack PHP CI4 and Laravel developer to join our dynamic project team. Our project involves comprehensive backend development, efficient API integration, intricate database management, and crafting a frontend with a customizable layout that stands the test of user experience. **Key Responsibilities:** - **Backend Development:** Implement robust functional logic ensuring seamless data processing and workflows. - **API Integration:** Efficiently connect our platform with necessary external services and APIs for enhanced features. - **Database Management:** - **Data Migration:** Safely transition existing data resources to our new system without loss. - **Performance Optimization:** Continuously monitor and tweak the database performa...

Data Part Create Database and Pages for Below Create Pages to Add these Date and Update Details, Hotel - Name, Star Category, Country, City, Address, Contact, Email Tour - Tour Name , Country, City, Address Country - Pre Defined Countries City - Select 'Country', Add City Name Client - Client Name, Address, Contact, Email, Country, City Vendors - VendorName, Address, Contact, Email, Country, City Bookings - Booking ID (Auto Assign), Traveller Name, No. of Pax, Start Date, End Date, Select 'Client', Currency, Amount, Due Date Bookings part For Each Booking we want to add component (Hotel, Tours and Misc Service is known as component), We want to select services to be added. Add Hotel - Select 'Hotel', Check-in Date, Check-out Date, No. of Rooms Add Tour - ...

I need an experienced web developer specializing in Magento PHP to assist with an urgent project. The ideal candidate should be able to handle the following: - Work with Magento PHP: You must be proficient in Magento PHP development. Experience in customizing Magento-based websites and plugins is highly desirable. - Fast-paced: The project is time-sensitive and requires a quick turnaround. Therefore, you must be able to work efficiently and effectively under tight deadlines. - Detail-oriented: Attention to detail is key as the project involves the development of a user-friendly, high-quality web application. - Communication: Effective communication is crucial. You should be able to provide regular updates and be responsive to my queries. - Problem-solving: Being able ...

I'm in need of an experienced graphic designer to craft a minimalist logo for my upcoming MMA app. Key Points: - The logo should feature an iconic design, simple yet memorable. - The aim is to represent the essence of MMA in a modern and minimalist approach. - I value experience in logo design, especially for mobile applications or sports-related projects.

...specialized PHP obfuscator that can handle some key requirements. - Compatible with Various PHP Frameworks: The obfuscator should be able to work seamlessly with popular PHP frameworks like Laravel, CodeIgniter, and Symfony. This ensures it can be integrated easily into existing projects built on these frameworks (not obfuscating 1 by 1 every php file) - Advanced Obfuscation Techniques: I require the tool to support variable renaming. This feature is crucial for enhancing code security by making it harder for potential attackers to interpret the code's logic. - String Encoding: The obfuscator should encode only critical strings. By encoding these strings, the tool can add an extra layer of security to the application without impacting its functionalit...

...and return back, need to update order details in bottom of page (.js) and send email confirmations from Affiliate landing page order section. Need to implement online payment from Stripe on both order pages. First phase: 1. Login page (html done, some core PHP done) 2. Forgot password page (html done) 3. Sign up page (html done, some core PHP done - confirmation email needs work) 4. Orders list page (html done) 5. Single order page (html done) 8. Landing page Orders for Affiliates to share to friends (html done, some core PHP done - confirmation email needs work) 9. Backend dashboard (html done) a. Total sales for Affiliate b. Total Affiliates added by Affiliate c. Team bonus earned + link to team bonus page d. Total orders + link to orders p...

I'm looking for a skilled PHP developer to help me with my modern and sleek jewellery site. Key Requirements: - Product Catalog & Search: The website should have a robust catalog for displaying all our jewellery items. Customers should be able to search for items based on various filters such as price, category, and more. - Shopping Cart & Checkout: A seamless shopping experience is crucial. The shopping cart should be user-friendly and the checkout process should be simple and secure. - User Registration & Login: To enhance user experience, the site should allow users to create accounts, log in, and manage their profiles. This is essential for tracking orders, providing personalized recommendations, and more. Ideal Skills & Experience: - Proficiency in PH...

As the project owner, I am urgently seeking experienced PHP developers to enhance the capabilities of multiple open source projects. The exact projects requiring development haven't been specified, but the key components will include: Brief description: Members can also upload items (only to designated columns set by administrators). Assumption: The administration will set up a category column—Card Trading. Members who log in can upload related items to sell, but only to that column; they cannot upload to other columns. Let's break it down step by step: User Column: Modify the administrator's product management template. The administrator will set up a category, such as the Card Trading Market. Then, all items uploaded by users will be catego...