The generally accepted way to do this is to prefix the eval code with "return;", so you'd do: 
eval "return;" . $code;

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However it won't prevent the execution of BEGIN blocks, and when you want to execute it, you have to compile it again.

In reply to Re: Can you check the syntax of a eval() before executing it? by Matts
in thread Can you check the syntax of a eval() before executing it? by slloyd

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