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As you know, debug_backtrace() function has a large output. I need to pass it in my filter.

$meta = apply_filters( 'filtername' , $meta , debug_backtrace() );

Does this have a big impact on site performance?

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you can limit calls and ignore args like this to reduce performance:

// Limit backtrace to last 3 calls as we don't use the rest
// Limit argument was introduced in PHP 5.4.0
$backtrace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 3);
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  • Thank you very much indeed!
    – ma ja
    Jan 12 at 2:29

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