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I'm developing a plugin system, which of course needs to include the plugin files. So far everything works very well - exceptions get catched etc.

But my very last wish would be to even be safe from corrupt plugin files containing syntax errors. Is there a way to catch Fatal Errors in included files?

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There is runkit_lint() that requires PHP runkit, or simply run php with the -l option for Lint:

if(strpos(exec('/path/to/php -l filename.php'), 'No syntax errors detected') !== false) {
    // file parses :-)
} else {
    // parse errors :-(
}

Or similar logic. Note that this only checks for parse errors not fatal errors (require fails, etc.)

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  • So basically I need to precheck every file before actually including it? Is runkit eventually cheaper in terms of performance?
    – Robert
    Commented Mar 23, 2015 at 10:43
  • I haven't bench-marked, but you could lint the files once and save the "safe" ones in the db or file and check that on subsequent calls and only check new files.
    – AbraCadaver
    Commented Mar 23, 2015 at 13:57

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