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Justin de Vesine
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WordPress do_action(), PHP 5.4, and pass-by-reference
A somewhat common idiom in WordPress is to pass an object by reference 1 into do_action for possible modification: do_action(‘before_frobulation’, $frob_params, &$this); Just out of curiosity, if you’re expecting possible modification, wouldn’t apply_filter be more semantically logical? I’m glad you asked! It is a subtle distinction, but in this case, no. apply_filter gives the opportunity…
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