Today I wanted to add the PHP EXIF extension to my local PHP installation. According to the PHP manual to do this you should
configure PHP with –enable-exif. However, I didn’t want to go through the tedious process of compiling PHP from scratch again. I just wanted to add the single extension.
I couldn’t find any info on how to do this, but thankfully it is actually quite simple, it’s pretty much the same as compiling any extension that doesn’t come with PHP as standard. This same process should work with any of the extensions that ship with PHP.