Merging pictures using PHP and GD

Training, Open Source computer languages

Perl • Python • MySQL • Tcl • Ruby • C & C++ • Lua • Java • Tomcat • PHP • httpd • Linux

Merging pictures using PHP and GD

I wanted, regrettably, to fade (tear) one picture into another - a train at Melksham into a picture of a disused railway trackbed. We have one of those nearby at Seend, where the Trowbridge - Devizes - Reading - London train service used to run. Here's another 2 options I looked at:

and

The GD library in PHP provides a number of useful graphics and manipulation commands - can you believe that the images above are generated by programs that are 17 lines / 400 bytes long! See fade source code and tear source code and xtipple xource code
(written 2006-01-13 03:27:37)

Associated topics are indexed under

H999 - Additional PHP Material
H309 - PHP - Maps, Graphics and Geographics
H115 - Designing PHP-Based Solutions: Best Practice

Back to
Smoke and mirrors

Previous and next
or
Horse's mouth home

Forward to
Open Source training from Well House Consultants

Some other Articles

Combining similar rows from a MySQL database select
May all your screw-ups be big ones
Using PHP to output images, XML, Style sheets, etc
Open Source training from Well House Consultants
Merging pictures using PHP and GD
Smoke and mirrors
Python's Generator functions
The fencepost problem
''I don't know'' is sometimes a good answer
Converting between acres and hectares

1892 posts, page by page

Link to page ... 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38 at 50 posts per page

This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

Link to Ezine home page (for reading).
Link to Blogging home page (to add comments).

Public Course Enquiry / Booking

Courses that run regularly at our UK training Centre.
[Schedule] - [About] - [Book]

Related short articles

Three Seasonal Pictures

Pictures from a delegate

Oxford in Pictures

Text formating for HTML, with PHP

Question Mark - Colon operator (Perl and PHP)

Sorting objects in PHP

Alternative URLs using % symbol encoding

Regular Expressions in PHP

Refactoring - a PHP demo becomes a production page

Global - Tcl, PHP, Python

Server overloading - turns out to be feof in PHP

Injection Attacks - avoiding them in your PHP

What is built in to this httpd and PHP?

Diagrams to show you how - Tomcat, Java, PHP

Upgrade from PHP 4 to PHP 5 - the TRY issue

Perl v PHP, choosing the right language

Dynamic maps / geographics in PHP

Using server side and client side programming together

Current visitors from around the world - PHP

Finding words and work boundaries (MySQL, Perl, PHP)

memcached - overview, installation, example of use in PHP

Old pictures and comparisons

Apache httpd, MySQL, PHP - installation procedure

addslashes v mysql_real_escape_string in PHP

PHP examples - source code and try it out too

Larger applications in PHP

Pictures from South Hampshire

Saying NOT in Perl, PHP, Python, Lua ...

Defensive coding techniques in PHP?

cannot restore segment prot after reloc message - PHP / httpd

Two PHP include files to make easy web site indexing and navigation

Accounts in PHP - an OO demo

PHP - Sanitised application principles for security and useability

Checking server performance for PHP generated pages

Exchange Rates - PHP with your prices in your users currency

Using cookies and sessions to connect different URLs - PHP

Seeing how others do it - PHP training

Using a utility method to construct objects of different types - Python

Pictures far apart

Changing a screen saver from a web page (PHP, Perl, OSX)

Gant charts - drawing them with a PHP script

PHP Techniques - a workshop

PHP training courses every month

PHP course dot co, dot uk

Using Structs and Unions together effectively in C

Making PHP and MySQL training relevant to the course delegates

Uploading to a MySQL database through PHP - examples and common questions

Advanced Python, Perl, PHP and Tcl training courses / classes

OO PHP demonstration - comparing objects and more

Short and sweet and sticky - PHP form input

Downloading data for use in Excel (from PHP / MySQL)

Pictures you can use - for free - from our library

Perl, PHP or Python? No - Perl AND PHP AND Python!

Ongoing Image Copyright Issues, PHP and MySQL solutions

Script to present commonly used images - PHP

Java - using super to call a method in the parent class

PHP / Web 2 logging

Single login and single threaded models - Java and PHP

A time to update pictures

Pictures of December

Efficient PHP applications - framework and example

A story about benchmarking PHP

Using Tcl/Tk resource files for flexible applications

Perl, PHP, Python, Tcl, Linux, MySQL, Ruby courses ...

Connecting to MySQL 5 from PHP on Mac OSX Leopard

More PHP sample and demonstration programs

Easy selection of multiple SQL conditions from PHP

Question on division (Java) - Also Perl, PHP, Python ...

Using English can slow you right down!

Linux, PHP, Tcl, Ruby, C, C++ - last minute training course availability

Tcl / regsub - changing a string and using interesting bits

Tcl - using [] or {} for conditions in an if (and while)

Pictures Framed

Using PHP to upload images / Store on MySQL database - security questions

Controlling and labelling Google maps via PHP

Error logging to file not browser in PHP

Using a MySQL database to control mod_rewrite via PHP

Static variables in PHP

Simple page password protection - PHP

A taster PHP expression ...

Clean my plate, but keep my wine bottle. (PHP; Static)

.php or .html extension? Morally Static Pages

Easy handling of errors in PHP

Resetting session based tests in PHP

2008 course schedule - Perl, Python, PHP, Linux, Java Deployment, Ruby and more

PHP Standalone - keyboard to screen

is there a lookup function in php?

Keep in touch with PHP, Perl, Python and old friends too

Outputting numbers as words - MySQL with Perl or PHP

for loop - how it works (Perl, PHP, Java, C, etc)

Five of the best - pictures from London

PHP header() function - uses and new restrictions

Returning multiple values from a function (Perl, PHP, Python)

Drawing hands on a clock face - PHP

Smart English Output - via PHP and Perl ? : operator

Updating a page strictly every minute (PHP, Perl)

Painting a masterpiece in PHP

May day 2007 in pictures

Emailing as HTML (Web Page) - PHP example

Back button - ensuring order are not submitted twice (PHP)

Private Java Course - A customer's pictures

Object Oriented Model - a summary of changes from PHP4 to PHP5

Using a list of keys and a list of values to make a dictionary in Python - zip

Buffering output - why it is done and issues raised in Tcl, Perl, Python and PHP

PHP adding arrays / summing arrays

PHP Image upload script

File and URL reading in PHP

Spring Pictures

Drawing dynamic graphs in PHP

Sample script - FTP to get a file from within PHP

PHP fread - truncated data

Injection attacks - safeguard your PHP scripts

PHP Regular expression to extrtact link and text

Sorting people by name in PHP

Learning to write secure, maintainable PHP

Tomorrow's keywords - London, Training, Course, PHP, Ruby.

PHP - static declaration

Parallel processing in PHP

Dates, times, clickable diarys in PHP

Date conversion - PHP

.pdf files - upload via PHP, store in MySQL, retrieve

Most recent file in a directory - PHP

Setting your colour theme through PHP

Plain Ole nice pictures

Sludge off the mountain, and Python and PHP

Index of Pictures

Display an image from a MySQL database in a web page via PHP

Global, Superglobal, Session variables - scope and persistance in PHP

The LAMP Cookbook - Linux, Apache, MySQL, PHP / Perl

A lion in a cage - PHP

Syntax checking in PHP

PHP - good coding practise and sticky radio buttons

Double and Triple equals operator in PHP

Is Perl being replaced by PHP and Python?

Pictures of the Vale of Pewsey

Pictures of Avebury, Longleat and Dyrham

PHP - a team member leaves

Hot answers in PHP

Using different URLs to navigate around a single script

Viewing images held in a MySQL database via PHP

Planning a hotel refurb - an example of a Gant chart in PHP

Pictures from my travels

Handling huge data files in PHP

Testing you Perl / PHP / MySQL / Tcl knowledge

Presentation, Business and Persistence layers in Perl and PHP

Adding PHP tags to an old cgi program

PHP Image viewing application

PHP - London course, Melksham Course, Evening course

Using a MySQL database from Perl

Training Centre Pictures

February pictures

It's REALLY easy to add a little PHP

PHP - setting sort order with an associative array

Robust PHP user inputs

Learning to program in Perl or PHP

PHP - dividing a string up into pieces

Using PHP to output images, XML, Style sheets, etc

Merging pictures using PHP and GD

.css - using PHP to make dynamic style sheets

Running a Perl script within a PHP page

Which MySQL server am I using?

North, Norther and Northest - PHP 5 Objects

Double Dollars in PHP

PHP upgrade - traps to watch

Stand alone PHP programs

Do the work and take the risk - a PHP contract to avoid

Accessing a page via POST from within a PHP script

PHP Magic Quotes

Javascript examples (some PHP and MySQL too)

Reading a news or blog feed (RSS) in your PHP page

Assignment, equality and identity in PHP

A year on - should we offer certified PHP courses

Central London Courses - Perl, PHP, Python, Tcl, MySQL

Time calculation in PHP

Letterbox Pictures

Happy Birthday, PHP

Passing information into and out of PHP functions

Ordnance Survey - using a 'Get a map'

Sharing pictures of Wiltshire

Using a Python dictionary as a holder of object attributes

Elegant languages - Perl, PHP, Python

Crossfertilisation, PHP to Python

There is a function in PHP to do that

FAQ - Perl or PHP

PHP5 lets you say no

Current MySQL and PHP paths and upgrades

MySQL, Java, PHP and Linux - new technical articles

Short underground journeys and a PHP book

PHP course. Come by train.

Avoid the wheel being re-invented by using Perl modules

mysql_connect or mysql_pconnect in PHP?

Object Oriented Programming in PHP

Evening classes to learn PHP

PHP and natural sorting

PHP - onwards and upwards

© WELL HOUSE CONSULTANTS LTD., 2008: Well House Manor • 48 Spa Road • Melksham, Wiltshire • United Kingdom • SN12 7NY
PH: 0800 043 8225 or 01225 708225 • FAX: 0845 8382 405 or 01225 707126 • EMAIL: info@wellho.net • WEB: http://www.wellho.net • SKYPE: wellho