Php cms xmlproiecte

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...

...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.

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

*** FAVOR DE VER Y LEER EL PDF ADJUNTO CUENTA DEMO WEB Se requiere un reporte con la siguiente información: Reporte en donde marca el máximo valor de nivel de combustible (carga) en este caso es 20,000lts El reporte deberá tener la condición para tomar el punto de carga de si se conservo en un nivel alto por más de 10 minutos, no se ha movido y no cambio el valor digamos 5000,10000,15000,20000lts lo marcará como carga, cuando este detenido por 10 minutos y empiece a detectar movimiento de descarga de más de 2000 litros lo tomará como descarga el ultimo valor más grande. • El reporte se debe generar en el mismo sitio en donde se generan actualmente (imagen 1) Se requiere el formato PDF, HTML y XLS como los de Fuel ...

...optimization: Developing a backlink strategy and managing outreach to increase the website's visibility and authority. - Configuration: Implementing critical aspects of SEO configuration such as the permalink structure, XML sitemap, and file. The ideal candidate for this role should have: - Extensive experience with SEO in a WordPress environment - Proven track record in increasing website traffic and improving search engine ranking - Strong understanding of user engagement strategies - Expertise in configuring WordPress SEO components like the permalink structure, XML sitemap, and file. I look forward to receiving proposals from freelancers who can deliver tangible results in optimizing my WordPress website for search engines and user engagement. WHEN YOU C...

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...

...Shopify Storefront API: Use this API to retrieve detailed product information, including descriptions, images, pricing, and inventory levels. Metafields: Extend product information capabilities by storing additional details in Metafields. 6. FAQ Shopify CMS (Content Management System): Utilize Shopify’s CMS features to manage and display frequently asked questions. Metafields or Custom Content Types: Store and organize FAQ data efficiently for easy access and updates. 7. Store Policies Shopify CMS: Use Shopify’s built-in CMS to create, manage, and display store policy pages like privacy policies, terms of service, and more. Static Sections: Implement static sections in the storefront for easy access to policy information. ...

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

...pages: Home Page Mobile App - we have a mobile app on google play store, we want to give complete information about the app, key features, faqs, pricing, direct user to google play store. We will be launching the iOS version shortly so the design must factor in both, with option to enable the iOS related content later on. Product Development Services About Us Blogs - this should use the CMS in framer Blog Articles The website must be responsive and work well on mobile also. You will have to complete the design on the framer project we will add you to, you will also have to provide images/illustrations/videos/any asset needed to complete the design with no license restrictions. The website must be completed within 1 week, please do not bid if you cannot deliver within this t...

Se requiere un script de RIFAS o SORTEOS con las siguientes opciones: - Escrito en PHP y soporte MYSQL. - Emitir boletos en orden consecutivo (ejemplo 10000 - 999999), el rango de números debe ser personalizable (Ejemplo: 000001 - 999999, 5450 - 54500, etc.) - Poder ingresar el precio de los boletos de la rifa - Capacidad de albergar la rifa de otros usuarios (multi-usuario, multi nivel). - Pagar boletos a través de la opción de tarjeta de crédito de PayPal (con o sin cuenta de PayPal) o por transferencia, modo manual, mostrando información bancaria del propietario ded la rifa. - Ingresar dirección de correo electrónico, Nombres, Apellido, Ciudad, Estado, Número de teléfono de contacto. - Después de recibir el ...

We are seeking a proficient Sanity Developer who specializes in mobile design and is adept at resolving website errors. As a Sanity Developer in this role, you will be responsible for creating mobile-friendly designs and addressing any technical issues or errors on our website using Sanity CMS to ensure a seamless user experience across all devices. Tech Stack: Sanity CMS HTML5, CSS3, JavaScript React.js (or similar front-end framework) Responsive design frameworks (e.g., Bootstrap) Version control systems (e.g., Git) Web debugging tools

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 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.

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

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

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 am looking for a talented web designer to give my website a complete overhaul in terms of look and feel, user experience, and functionality. The main objective is to improve user experien...designer experienced in modern minimalist designs, and has a proven track record in designing high-conversion websites. A deep understanding of user experience design is a must-have for this project along with proficiency in HTML, CSS, JavaScript and UX/UI design software. Your portfolio should demonstrate these skills. The new design should include all the pages in the plus the cms pages The webiste should be delivred in html,css format

Design and implement one page website. The website shall have a design similar to the included "reference ". Please also notice the "reference " which contains a mockup of the top part of the website and the color scheme. The top menu contains links within the same page (anchors), so only one page, no sub pages. Notice that the hero area is a photo carousel consisting of multiple photo. The carousel must change the picture automatically every 3 seconds, but also have controls to change the picture with clicking. The photos to be used on the website are attached. Also the text to be used on the page is included. The implementation must work with any browser size, including mobile devices. The implementation must work with Chrome based browsers but also with latest Fi...

I'm seeking a knowledgeable professional proficient in Azure Databricks, Azure Data Factory, and ADLS to assist with data manipulation and transformation tasks. In specific, you will be working with semi-structured data, particularly JSON and XML formats. Key tasks will include: - Filtering and cleaning of data - Converting the cleaned data into different formats Having previous experience with semi-structured data and being familiar with machine learning and AI integration will be highly regarded. I'm looking for an individual who can ensure efficiency and accuracy throughout the process. Let's make data work for us!

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 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 - ...

...can create a comprehensive CMS platform for handling loan data. Key Functionalities: - User Management: The CMS should have the ability to manage users, with a specific focus on admins. - Reporting and Analytics: The system should incorporate robust reporting and analytics features that can offer insights into loan applications and user activity. - Application Rejection: There should be a clear mechanism for rejecting loan applications within the system. - Filters will be required to filter and sort data as per date, status, month. User Roles: - Admin: The primary user role I'm seeking is for admins to manage the system. Rejected Applications: - The system already have a mechanism in place to handle rejected loan applications. Ideal Skills: - Experience with CM...

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 ...

...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...

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...

I'm seeking an experienced web designer to ...anticipate the site to be compact, with less than 10 pages. These will include but are not limited to a homepage, about page, contact page, and pages dedicated to showcasing various pieces of my portfolio. Procedure and skills required: - Design first. Once I've approved the design, you can then proceed to web development and hosting. - Expertise in UI/UX design is crucial. Knowledge of different CMS platforms will be a plus. - Content will be provided but the ability to edit and optimize it for digital platforms is a must. - After developing the site, you'll host it. Please make sure the hosting provider offers excellent uptime. Would be fantastic if you've created portfolio websites before. Please share any simil...

...payment and number of contacts). You need to make sure that these fields are also displayed in the mobile version of the site and add statement generation for these fields. * Set up the generation of a report (pdf file, form will be provided), which displays information about which users did not pay the bills of the previous month * On the 1st day of each month, files must be generated in Excel and XML-Format with the bank data entered by the contractor during registration and the amount to be paid from the account. One file for all users (form will be provided). * Fix the code when sending an E-Mail to the user at the time of invoice generation. Now email is sent many times in a row per day, it should be 1 time * Add one more page to the artist registration form, where you w...

I have a PHP website that needs immediate attention due to some technical issues. Its a codeigniter project It displays corectly on some laptops but mostly not correctly on most devices Should be some css bug i think

...freelancers. Proficiency with JavaScript, PHP, eCommerce, HTML and CSS is required, along with OpenCart experience. If you have worked on similar projects before, please include them in your proposal. This shopping cart has been operating for several years using an extension entitled TNT Express Australia. I have tried to contact the developer but he has disappeared. About a month ago I received an email from TNT ... quote There is a change coming to the TNT RTT API, this is what you use to get pricing for shipping on your online store or internal system. Please have this email directed to whomever controls the online portal: You are currently using the ASP version of the RTT service, and we need customers to move to our .NET version. This will require that the XML payloa...

Finding Someone Who can Solve this error (One site is sending me callbacks and in 10 callbacks theyre getting this response in 5 callbacks and rest 5 callbacks are working fine) <?xml version='1.0' ?> <env:Envelope xmlns:env=''> <env:Body> <env:Fault> <faultcode>env:Client</faultcode> <faultstring>Internal Error</faultstring> </env:Fault> </env:Body> </env:Envelope

As a agency, I'm in need of a prof...Audience Research: Dive deep into our target audience, understand their behavior, and identify their needs. - Ad Creative & Copywriting: Develop engaging ad creatives and compelling copy to connect with our target audience. Website Development: - E-commerce Integration: Set up a smooth-running e-commerce platform on our website to facilitate transactions. - Content Management System : Create a CMS for easy publication and update of content. - Interactive Contact Form: Incorporate a contact form to facilitate communication. I am trying to build a team of professionals in their area of work to bring in the best results for agencies client and I will pay them 500$/client and would only want long term members. The pay can increase based o...

I'm in need of a PHP expert who can provide assistance in bug fixing, database integration, and custom PHP coding as part of an ongoing project to enhance my existing Laravel-based website. Key Responsibilities: - Fixing bugs: You'll be responsible for identifying and resolving any technical issues that may arise within the website. - Database integration: You will be required to integrate new data sources into the Laravel database, ensuring seamless connectivity. - Custom PHP coding: I need a skilled PHP developer who can create and implement custom code to add new functionalities to the website. Ideal Candidate: - Proficient in PHP: You should have a strong command over PHP, specifically in Laravel. - Problem Solver: You must be able...

I'm looking for an experienced developer to ...create an e-commerce website for my business. Key Points: - The primary feature of the website would be a product catalog. This means that the site will essentially be a storefront for our products, with detailed listings and images of each item. - I plan to manage the website's content by manually updating HTML files. As such, the final design should be conducive to this update method, and any CMS features are not necessary. Ideal Skills and Qualifications: - Proficient in e-commerce website development, particularly with a focus on product catalogs. - Skilled in the use of HTML and website design that supports manual content updates. - Strong communication skills to ensure the final product aligns with my vision and the ne...

I'm looking for a freelancer who ca...up an engaging entertainment news blog. My blog will focus on national news in the entertainment industry. I intend to write and publish original content, so the blog setup should be conducive for writing, editing, and publishing. The ideal candidate should have: - Experience in setting up news blogs, preferably in the entertainment industry - Prior experience with content management systems (CMS), such as WordPress, and SEO - A knack for creating visually appealing layouts and features that will engage my readers - A good understanding of how to integrate social media platforms to promote the blog Please include your previous experience and examples of your work in your bid. Looking forward to finding the right freelancer for this ex...

Looking for a skilled individual to undertake data scraping project. Key tasks will involve: - Focused on scraping 'Website 1' - Specific data requirement is 'price' - Data collection should be conducted periodically Ideal freelancers should be proficient in PHP, and have a track record in successful and ethical data scraping projects. Advise on suitable scraping schedule is appreciated. Efficiency and meticulous attention to detail are highly sought.

As a burgeoning project in demand, we're in need of a Full Stack PHP Developer with a good command of both frontend and backend development. For our backend development, we prioritize: - Proficiency in PHP, MySQL & Laravel When it comes to the frontend, we value: - Experience with Javascript & Web Designing using HTML & CSS. Knowledge on VueJs will be Plus. We're specifically looking for someone at an intermediate level, who has: - A solid grasp of Javascript & PHP. We're excited to welcome a competent, committed developer to our team. Bring your A-game, and let's create something great together.

I'm in need of a skilled website developer to create a portfolio website using WordPress. Key Requirements: - Portfolio Focus: This website must be designed to showcase my work, so it needs to be visually appealing and easy to navigate. - Fully Responsive: The site must be accessible and look great across all devices, so mobile-friendliness is crucial. - WordPress CMS: Familiarity with WordPress is essential as this is the CMS I prefer for ease of content management. Ideal Skills and Experience: - Proven experience in designing and developing portfolio websites. - Expertise in WordPress theme development and customization. - Strong understanding of responsive design principles. - Ability to deliver a clean, modern, and user-friendly design. I look forward to collabo...

I'm seeking a tester to evaluate our PHP Laravel website. Your responsibilities will include both manual and automated testing. Manual Testing: - Focus on Functionality, Usability & Compatibility: I need the tester to pay particular attention to these aspects of the website. - Test Case Creation: You will be required to create test cases for the website as they are currently unavailable. By doing so, you will essentially be putting yourself in the shoes of our users and assessing the website's strengths and weaknesses. Automated Testing: - Browser Compatibility: I need the website to be compatible with three major browsers (Chrome, Firefox, Safari) and require you to automate this testing. Ideal Candidate: - Proficient in PHP and Laravel: You should be we...

Usamos una aplicación web propia para previsualizar e imprimir facturas, pero nos gustaría poder descargar las facturas a formato FACe en .xml . Para poder enviarlas de forma electrónica a través de Nos gustaría desarrollar el módulo completo para que se puedan mandar las facturas firmadas electrónicamente y a organismos públicos.

I am in need of a skilled PHP programmer to address an "undefined variable" error within my user authentication system. The system primarily relies on email and password authentication. Key Requirements: - The error lies within the user authentication system - The primary method of user authentication in the system is email and password Ideal Skills and Experience: - Proficiency in PHP, SQL - Experience with user authentication systems - Familiarity with handling undefined variable errors - Understanding of secure email and password authentication Your task is to identify the root cause of this error and implement a solution to rectify it. Please provide specific examples of similar work you have done in the past.