Here is a simple Web 1.5 (static HTML with a little bit of styling and JavaScript) recipe to allow a viewer of your web page to see the PHP source-code, behind it, with a minimal amount of JavaScript and a little CSS manipulation—good for showing the work you’ve done to others. Or for embedding in your own source, in debug mode, so that teammates can see each others’ work.
See the example code at: http://cachecrew.com/sample_code/highlight_file.php and http://cachecrew.com//sample_code/highlight_file2.php.
Among those around me, in world of tech startups (even in the vicinity of the world of Windows), MacBooks are used almost universally. I can’t explain the discrepancy between what I see around me and the data you usually read; but I do know that as a technical platform, OS X provides an easier path to development tools. These days, the world driven by web-based applications. A majority of those applications run on Linux-based machines. OS X shares with Linux, a common ancestor, Unix. So, a robust array of common commands come with OS X—