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PHP Directory : WorldofPHP.NET >> Tips and Tutorials >> Image Manipulation

 
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PHP : Image Manipulation
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Creating thumbnail - Resize an image with PHP Total Hits : 71

In this tutorial I will show you how to resize an image with PHP. You can use this function in your own image gallery implementation or in any other cases when you need to create a thumbnail from your image. Using a this image resize script gives you the possibility to create various images which are different in their size.

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VISIT
Version: 1.0 | Cost : $ 0 | Scripting Language : Linux,Windows,FreeBSD,Mac OSX,Sun Solaris | Last Updated : Tue, Dec 11, 2007  
ASP.NET Version : PHP 4  
   
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Uploading Image Files with PHP Total Hits : 116

This comprehensive tutorial guides you through step-by-step in the process of uploading, verifying and storing images with PHP. A database is required for storing information about the images. All code is provided.

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Version: 1.0 | Cost : $ 0 | Scripting Language : Linux,Windows | Last Updated : Tue, Dec 11, 2007  
ASP.NET Version : PHP 4  
   
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Watermarking on the fly with PHP Total Hits : 58

PHP, coupled with Apache rewriting, lets watermark "on the fly" and transparently, without modifying the original image.

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Version: 1.0 | Cost : $ 0 | Scripting Language : Linux,Windows,FreeBSD,Mac OSX,Sun Solaris | Last Updated : Tue, Dec 11, 2007  
ASP.NET Version : PHP 4  
   
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Gd / FreeType text label generator Total Hits : 55

Provided script could be used as "text rasterization service" to generate arbitrarily text-images for a web site. MD5-based authorization is used to avoid image generation by unauthorized users.

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Version: N/A | Cost : $ 0 | Scripting Language : Linux,Windows,FreeBSD,Mac OSX,Sun Solaris | Last Updated : Tue, Dec 11, 2007  
ASP.NET Version : PHP 5  
   
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Sorting images based on their Pixel Dimension. Total Hits : 68

JPEG compresses an image based on the color information present in the image (2). Thus, the file sizes are not a true representation of how large an image is when displayed on screen. In trying to sort out small images based on their width or height we face the challenge of sorting images which are unusually tall or wide. Hence, sorting images based on their pixel dimension is a more accurate way of sorting images into groups.

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VISIT
Version: 0.5 | Cost : $ 0 | Scripting Language : Linux,Windows | Last Updated : Tue, Dec 11, 2007  
ASP.NET Version : PHP 4  
   
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Cropping an image Total Hits : 52

Taking the smaller size between the width and height of an image, we crop that image to obtain a square which we save into a file. Online demo available.

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VISIT
Version: 1.0.0 | Cost : $ 0 | Scripting Language : Linux,Windows,FreeBSD,Mac OSX,Sun Solaris | Last Updated : Tue, Dec 11, 2007  
ASP.NET Version : PHP 4  
   
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Poll Result Bar Through PHP GD Function Total Hits : 61

It is useful for displaying Single Result bar for Testimonial, Review, or topic rating. In this article, You will learn how to create Images, Resize, Copy and Merge into One Image, using PHP GD Functions, also you will find a trick to create seo friendly url with just a single line of code.

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VISIT
Version: 1.0 | Cost : $ 0 | Scripting Language : Linux,Windows,FreeBSD,Mac OSX,Sun Solaris | Last Updated : Tue, Dec 11, 2007  
ASP.NET Version : PHP 5  
   
Member Review : 0 | Member Rating : Visitor Reviews: 0 | Visitor Rating :


Watermark on uploaded image Total Hits : 75

This tutorial shows how you can automate the process of adding watermarks on images from your site right when they are uploaded.

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Version: 1.0 | Cost : $ 0 | Scripting Language : Linux,Windows,FreeBSD,Mac OSX,Sun Solaris | Last Updated : Tue, Dec 11, 2007  
ASP.NET Version : PHP 4  
   
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Create images with PHP: tutorial for beginners Total Hits : 60

This tutorial will show how to create images, draw lines, rectangles, ellipses and arcs, how to add text to images, and how to manipulate them (rotate, resize of modified). Eleven scripts are used in this tutorial, and the code is explained line by line.

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VISIT
Version: 1.0 | Cost : $ 0 | Scripting Language : Linux,Windows,FreeBSD,Mac OSX,Sun Solaris | Last Updated : Tue, Dec 11, 2007  
ASP.NET Version : PHP 4  
   
Member Review : 0 | Member Rating : Visitor Reviews: 0 | Visitor Rating :


PHP multiple photo thumbnail generator Total Hits : 61

Built-in PHP library gd does not have ready-to-use function for photo(jpeg) thumbnail generation. Although there are many such examples on the net, they are usually not suitable for effective generating series of thumbnails (for ex. 240x240, 140x140, 80x80). This article provides php function thumbnail_generator and trivial image uploading script, which generates series of thumbnails.

DETAILS
VISIT
Version: N/A | Cost : $ 0 | Scripting Language : Linux,Windows,FreeBSD,Mac OSX,Sun Solaris | Last Updated : Tue, Dec 11, 2007  
ASP.NET Version : PHP 5  
   
Member Review : 0 | Member Rating : Visitor Reviews: 0 | Visitor Rating :



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