Found a total of 10000 related content
Show Thumbnail of Image Upload AJAX/PHP
Article Introduction：Update 18/11/2012: The new version of this upload is now here JQUERY AJAX IMAGE UPLOAD THUMBNAIL EXAMPLE.
This is how you can add a file/image upload tool to your forms and have AJAX store the file with PHP and return a thumbnailed version to the us
2025-03-04
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1140
Using PHP and HTML to achieve image upload and database update based on drop-down selection
Article Introduction：This article introduces in detail how to implement a function that allows users to select a book through the drop-down menu, upload an image for the book, and update the storage path of the image to the corresponding records in the database. Tutorials cover HTML form structure optimization, PHP file upload processing logic, and database update operations to ensure the upload process is safe and efficient, and provide complete code examples and best practice suggestions.
2025-09-06
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199
PHP implements image upload and database association based on drop-down selection
Article Introduction：This tutorial explains how to build a feature that allows users to select a specific database record (such as a book) through the drop-down menu, then upload an image and associate its path to it. The content covers front-end form structure optimization, back-end PHP file upload processing, file naming strategies, and safe updating database records using preprocessing statements to ensure data accuracy and system security.
2025-09-03
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249
jQuery AJAX Image Upload Thumbnail Example
Article Introduction：This article demonstrates how to upload images using Ajax and display a thumbnail preview without page reloads. The process involves client-side JavaScript for handling the upload and a PHP backend for thumbnail generation and image storage.
Client
2025-02-24
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529
PHP realizes image upload and processing monetization PHP image management and optimization technology
Article Introduction：Effectively managing massive images requires CDN or cloud storage to improve performance and scalability; 2. Optimize file structure through reasonable naming rules and directory storage; 3. Use PHP to automatically compress and convert it into efficient formats such as WebP to reduce volume; 4. Combine front-end responsive images and lazy loading technology to improve loading speed; 5. Realize signature URL anti-theft chain and upload security verification to prevent malicious files, thereby building a safe and efficient picture system to support commercial monetization.
2025-07-25
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674
python pillow resize image example
Article Introduction：Use Pillow to adjust the image size to select methods based on whether the aspect ratio is maintained: 1. Direct resize() will stretch the image, which is suitable for scenes where proportions are not required; 2. Use thumbnail() to automatically maintain the aspect ratio, generate undistorted thumbnails, and the maximum size does not exceed the specified value; 3. Custom resize_with_aspect_ratio() function can flexibly control the target width and height, and improve quality by calculating the scaling ratio and using LANCZOS resampling; 4. Pay attention to the image mode during processing, and convert it to RGB if necessary to avoid saving errors; 5. It is recommended to use thumbnail() or custom functions to maintain the image proportions, avoid deformation, and finally save or display the results.
2025-07-26
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183
How to upload videos directly to Vimeo from client device using PHP
Article Introduction：This article will introduce how to use Vimeo API and PHP to directly upload videos from client devices to Vimeo account. We will explore the form-based upload method, and use the request function of the PHP SDK to generate an HTML form containing the information required to upload, and ultimately realize that the user selects the video on the web page and uploads it directly to Vimeo.
2025-08-12
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452
How to Make a PDF Searchable with OCR?
Article Introduction：OCR (optical character recognition) can convert text images in scanned or image-type PDFs into searchable and copyable text; 2. Using Adobe AcrobatPro is the most reliable method. Select "Searchable Image" or "Editable Text and Image" through the "Recognition Text" function to generate PDFs that are original but searchable; 3. Free alternatives include using GoogleDrive to upload PDFs with GoogleDocs, or upload files to online tools such as OnlineOCR.net, iLovePDF, etc., but you need to pay attention to privacy risks; 4. For large amounts of document processing, it is recommended to use ABBYYFineReader and NuanceOmniPa.
2025-08-24
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580
Tutorial for uploading Android WebView files to MySQL database
Article Introduction：This document is intended to provide a complete tutorial on how to upload images to a MySQL database through Android WebView. The tutorial covers front-end HTML code, back-end PHP code and related precautions to help developers understand the entire upload process and successfully implement the image upload function.
2025-08-05
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816
How to Create a PDF from Multiple Images?
Article Introduction：On Windows, rename and sort the pictures and select print them as PDFs through the Photos application, or use Paint to paste and save them as PDFs one by one; 2. On macOS, use the Preview application to open multiple pictures, adjust the thumbnail order and export them as PDFs; 3. Use online tools such as ILovePDF, Smallpdf or Adobe Express to upload pictures, drag and adjust the order, merge and convert and download PDFs; 4. Select pictures through GooglePhotos on the mobile phone, click Share → Print → Save as PDF to generate a single page and single image PDF file, but it cannot be reordered. The easiest method depends on the equipment and usage habits. It is recommended to arrange the charts as needed in advance.
2025-08-23
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163
How to work with image manipulation in php
Article Introduction：GD and Imagick can be used for PHP image processing, GD is suitable for thumbnails and watermarks, and Imagick supports advanced effects. It requires enabling extensions and verification of input, freeing memory, and ensuring upload security.
2025-08-27
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463
Deploying a Laravel Application.
Article Introduction：When deploying Laravel applications, you need to pay attention to environment configuration, code upload, database settings and task configuration. 1. Prepare the server environment, install PHP (8.0), Composer, Nginx/Apache and MySQL/MariaDB, and configure necessary extensions and services; 2. Upload the project and install dependencies, use FTP or Git to upload code, run composerinstall and generate optimization commands; 3. Configure database information, create database and set permissions, perform migration and seeder, adjust storage/and bootstrap/cache/ permissions; 4. If you use queue or timing tasks, start worker or add Cron entries to
2025-07-21
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175
How can you handle file uploads securely in PHP?
Article Introduction：To safely handle file uploads in PHP, the core is to verify file types, rename files, and restrict permissions. 1. Use finfo_file() to check the real MIME type, and only specific types such as image/jpeg are allowed; 2. Use uniqid() to generate random file names and store them in non-Web root directory; 3. Limit file size through php.ini and HTML forms, and set directory permissions to 0755; 4. Use ClamAV to scan malware to enhance security. These steps effectively prevent security vulnerabilities and ensure that the file upload process is safe and reliable.
2025-06-19
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1214
How to make an animated GIF from a series of PPT slides?
Article Introduction：Export slides as images: Select "File" > "Export" > "Change File Type" in PowerPoint, select PNG or JPEG format and save all slides as separate images; 2. Create animated GIFs with tools: You can upload image sequences and set frame delays to generate GIFs through online tools (such as EZGIF.com), or use Photoshop to import images into layers and animations through the timeline and export them. You can also combine image sequences such as GIMP or ScreenToGif; 3. Optimize GIF files: adjust image size, reduce the number of colors, increase frame delays or skip secondary slides, and use tools such as EZGIF compression or GIFski to reduce
2025-08-03
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440
PHP implements dynamic multi-column responsive picture gallery: random non-repetitive picture loading guide
Article Introduction：This tutorial explains how to use PHP and MySQL to build a dynamic, responsive multi-column gallery with no duplication of images. The core method is to use PHP logic to assign each image to different columns in sequence when obtaining pictures from the database, and finally generate an HTML structure that meets the front-end layout requirements, thereby achieving beautiful and efficient image display.
2025-08-27
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412
How to create a CSS-only image lightbox?
Article Introduction：To create a pure CSS image light box, you need to use the:target pseudo-class to control the display; 1. Each thumbnail link points to the light box element with a unique ID; 2. The light box is hidden by default, and the flex is displayed in flex when the target matches and centers the large image; 3. Click the close link (href="#") to return to the top of the page and hide the light box; 4. You can add fade effect and visual closing buttons through CSS; this solution does not require JavaScript, but lacks keyboard support and scroll locking functions, which are suitable for lightweight static websites.
2025-08-03
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727
PHP implements a tutorial on uploading images based on drop-down selection.
Article Introduction：This tutorial details how to implement a function that allows users to select specific books through the drop-down menu, upload images for them, and finally update the image path to the corresponding book record in the database. The article covers the key steps of correct construction of front-end forms, back-end PHP file upload processing, security verification, and database update using preprocessing statements.
2025-09-05
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456
