Join David Powers for an in-depth discussion in this video Analyzing the image statistics, part of Code Clinic: PHP.
-The code that communicates with Image Magic…to identify the cropped images is in sub-image…underscore search dot php, which is…in the includes folder.…This file contains the definition for…a function called find sub-image.…The function takes five arguments.…The first two, large and small, are the…images being compared.…They're in the order required…by Image Magic's compare program.…The next two arguments, W small and H small,…are the dimensions of the smaller image,…it's width and height.…
The final argument, output folder, is the name…of the folder where a modified image…will be created if a sub-image is found.…Line five uses the exact function to call…Image Magic from the command line using…the arguments described in the previous video.…The exact function returns the last line…of output from the command line, and this…is stored as last line.…The next line defines a regular expression…to extract the results returned by Image Magic…from the last line variable.…
That's tested by preg match on the following line.…So let's see an example of how these two lines…
David introduces challenges and provides an overview of his solutions in PHP. Challenges include topics such as statistical analysis, searching directories for images, and accessing peripheral devices.
Visit other courses in the series to see how to solve the exact same challenges in languages like C#, C++, Java, Python, and Ruby.
Skill Level Intermediate
PHP with MySQL Essential Trainingwith Kevin Skoglund14h 32m Beginner
Exporting Data to Files with PHPwith David Powers3h 42m Intermediate
Problem One: Statistical Analysis
Problem Two: Image Analysis
Problem Three: Eight Queens
Problem Four: Accessing Peripherals
Problem Five: Recursion and Directories
Problem Six: Building the Web
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