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A PHP script isn't an XML document, so processing instructions aren't really relevant. Even if your script is outputting XML, the script itself isn't going to b
by danellis 15y ago
A PHP script isn't an XML document, so processing instructions aren't really relevant. Even if your script is outputting XML, the script itself isn't going to be read by an XML parser.
- prodigal_erik 15y agoIt can if you want. It's not that hard to make documents which are valid before and after scripts run. This enables many more tools to work with them.