PHP Mysql Inventory Barcode POS Web App with Dashboard

Learn to build a php mysql inventory pos app with barcode, including barcode generation and thermal receipt printing, and set up the admin dashboard template version 3.2.0.

Explore the admin bootstrap dashboard template, including widgets, charts, forms, modals, alerts, data tables, login and registration pages, and starter or blank pages for project integration.

Download and install XAMPP server on Windows 11 to run Apache and MySQL, enabling localhost access and phpMyAdmin for creating databases and organizing your project folder.

Learn to download and install visual studio code on Windows 11, with Mac OS and Linux options, complete the setup, choose a dark theme, and prepare extensions for coding.

Design a login page for the barcode POS web app by adapting the admin dashboard login code into index.php and configuring CSS and jQuery paths.

Create reusable header.php and footer.php components, include them in dashboard.php with include_once, and use a blank.php to share code across pages, reducing duplication and simplifying maintenance.

Build a PHP login page with a two-part UI, a form posting email and password via post, start a session, and prepare database authentication for user login.

Fetches user email and password from login fields, uses a PDO prepared select against the user table to verify credentials, and redirects to ui/dashboard.php on success.

Resolve login errors in the PHP MySQL inventory POS web app by adding an is_array check to validate the user row and redirect to dashboard.php.

Use PHP sessions to protect dashboard and user pages by starting a session and storing user id, username, and email in session variables, then redirect unauthorized users to login.

Copy and integrate sweet alert and toast notifications into the login page by importing the sweet alert css and js, using sessions to trigger status messages, and displaying them on index.php.

Enhance the login page with required field validation and sweet alerts, showing messages like please fill out this field, wrong email or password, and login is successful.

Learn how to create and integrate a change password feature in a PHP MySQL inventory web app, including building the change_password.php page, updating the form, and connecting to the database.

Implement a change password workflow in PHP and MySQL, covering retrieving POST inputs, selecting the user by email, comparing the input with database values, and updating the password.

Replace toast alerts with sweet alert 2 across the login and change password flow by wiring header and footer assets and triggering messages via session.

Implements session and role checks to restrict admin access to user.php and change_password.php, redirecting unauthorized users to index.php.

Learn to secure the change password page in PHP by using a session role check to display admin or user headers, and verify with login as admin or user.

Create registration.php to register admins, operators, or users in the point of sale system, reuse code from blank.php, and implement a bootstrap card form with database connection and session start.

Build and display registration data in a PHP MySQL inventory web app by coding a registration form and a table showing user ID, name, email, password, and role using PDO.

Learn to create a new user record in a PHP and MySQL web app by handling form data, using PDO prepared statements, and displaying success messages with SweetAlert.

Learn to implement a delete button on the registration page, capture the id via GET, execute a delete query, and display success or not deleted messages.

Add session handling and access control to registration.php by copying conditions from change_password.php, remove header, and test login to ensure only admin can access registration.

Create a MySQL category table (tbl_category) with auto-increment category_id and category field, then implement a PHP insert form that validates input, uses prepared statements, and shows sweet alerts.

Learn to display category data from tbl_category in category.php, implement edit and delete actions, adapt queries to cat_id and category, and apply button styles to manage records.

Add a data table plugin to the PHP inventory app, enabling search, pagination, and adjustable entries, with header and footer CSS/JS integration for the category table.

Create a new product.php file and design a two-part form using a six-six grid, duplicating category.php styling, and add fields for barcode, product name, category, description, and more.

Designs the add product form by adding a description textarea, stock with min and step, price fields, and image upload, plus a save button for barcode-ready records.

Learn the basics of file and image upload in PHP by building a single page form with multipart/form-data, using $_FILES, and moving uploads to an upload folder with move_uploaded_file.

Learn how to upload images with PHP by validating size and extension, extracting the type with explode and end, normalizing case, and saving with a unique name to prevent overwriting.

Fetch categories from the category table in the database to populate the add product dropdown using a PDO select query, then loop through results to display options.

Create a tbl_product table with nine columns, including pid as auto-increment primary key, plus barcode, product, category, description, stock, purchase price, sale price, and image.

Shows adding a product to a PHP MySQL inventory app by inserting data with prepared statements, handling image uploads, and managing barcode input with alerts.

Learn to generate new barcode numbers for products lacking barcodes using PHP, deriving a unique code from the last inserted id and current time, and save it during insertion.

Implement the data table plugin in the product list page, enable search, pagination, and range dropdown, and add tooltip support for action buttons.

Resolve errors in the product list and fetch data from the database to display key details—barcode, name, category, description, stock, and prices—in the view product page.

Edit product.php demonstrates retrieving database values for id, barcode, product, category, description, stock, purchase price, sale price, and image, then populating a form with value attributes and a selected category.

Update a product with a new image in the PHP MySQL inventory app by handling the image input and updating the query.

Learn to delete a product without refreshing the page using Ajax, as a delete button posts the product ID to product delete.php and hides the row on success.

Integrate sweet alert 2 into the PHP/MySQL inventory app to confirm deletions, paste the code into the delete flow, and verify products are removed from the database.

Learn to implement and customize print barcode functionality in a php mysql inventory app, using prebuilt barcode scripts (barcode.php, barcode128.php, index.php) to generate and print barcode stickers.

Demonstrates updating a text discount record in a PHP MySQL app, adjusting id handling, sgst and cgst fields, and refining the edit workflow with validation, format, and success messages.

Create the point-of-sale page (pos.php) for billing in the PHP MySQL inventory app, adding a barcode scanner field and preparing product search with billing totals.

Learn to implement a searchable select box with the select2 plugin in a php mysql inventory pos dashboard, including css/js integration and initializing select2 in post.php.

Create and style the order billing table for a PHP MySQL POS web app, with product, stock, price, quantity, and total columns, and a fixed header with scrollable body.

Fixes errors in the order form, adds subtotal and discount fields with currency signs, implements GST and CGST, and enforces read-only fields.

Build the create order UI for a PHP-based POS by adding total, due and paid fields, payment-type radio buttons, and a save order button with form controls.

Scan barcodes to fetch product data via ajax in a PHP MySQL inventory app, sending the barcode to getproduct.php and displaying results in a table.

Implement and explain the jQuery.inArray method within the Ajax success flow to locate a pid in the product array for the PHP MySQL inventory barcode POS web app.

Implement jquery-driven stock validation and total calculation for a php mysql inventory pos app. Scan barcodes, enforce stock limits, and update total as price times quantity with alerts.

Implement a searchable dropdown by wiring a PHP server-side function to fetch products from the database and populate the select options with product IDs and names.

Implement a calculate function to compute subtotal, discount, cgst, total, due, and paid amounts; initialize zeros, and update the user interface using sale price values.

Develop and refine the calculate function to compute discount and cgst on the subtotal, display updated totals, and validate percent-based calculations in the php mysql inventory pos web app.

Implement and test discount function in the PHP MySQL inventory POS web app, handling percent discounts, updating subtotal and total, and wiring discount and paid fields to the calculate method.

Create two database tables, tbl_invoice and tbl_invoice_details, to store order and billing data. Then prepare to insert data via a save button using phpMyAdmin on localhost.

Learn how to implement the save order button in a PHP MySQL inventory POS app, wiring form submission to insert order data into the invoice and product details tables.

Learn to collect subtotal, discount, GST, total, and payment details from form fields using proper name attributes, then prepare an insert query to save the order into a PHP-MySQL database.

Insert order data into tbl_invoice and tbl_invoice_details using post values, capture the last insert id to link details, then update product stock by subtracting quantity and handle insufficient stock.

Create order_list.php by copying code from product list, adjust SQL to show invoice id, order date, total, paid, due, and payment type, with actions and a data table plan.

Add a datatable plugin to the order list by copying product list code, update table names and IDs, and enable search, pagination, and action tooltips (edit, delete, print bill).

Enhance the PHP MySQL POS web app by adding bootstrap 4 payment badges for cash, card, and check, implement descending order with DataTables, and ensure proper redirects and delete functionality.

Edit a POS order for invoice id 29 by displaying and updating items, using ajax and php to fetch data from invoice details and product tables and compute totals.

Display the payment type (cash, card, check) in edit order pos and refine due and paid calculations. Add safeguards to prevent incorrect data insertion and note php database inserts.

Update order functionality in a php mysql pos app by using the update order button to refresh stock and invoice data, and remove old invoice details.

Update the invoice record and adjust product stock with php and pdo, setting order date, subtotal, discount, cgst, total, and inserting invoice details before redirecting to order list.

Implement a delete button with confirmation to remove an order and revert stock by updating tbl_invoice and tbl_invoice_detail with an inner join, restoring inventory stock.

Learn to create a bill or invoice as a PDF using the Fpdf library, by downloading and including it in the project and formatting pages, fonts, and cells for printing.

Learn how to generate a thermal-printer bill in a php mysql pos web app by rendering a 3-inch wide pdf, setting coordinates, fonts, and lines, and formatting invoice data.

Develop a print bill feature in a PHP MySQL POS app by querying invoice details, looping through results, and formatting items with FPDF (product, quantity, rate, total).

View a demo of printing bills or invoices with a thermal printer in a PHP MySQL inventory POS web app. Learn to integrate thermal printing for receipts.