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[Resolved] Add Filter to Theme's functions.php

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  • This topic has 3 replies, 2 voices, and was last updated 6 years ago by Tom.
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  • #42629
    Dominik Günder

    Hey there,

    today i’ve got two questions if you don’t mind.

    I want to add the following to the themes functions.php:

    add_filter(‘wp_feed_cache_transient_lifetime’,create_function(‘$a’, ‘return 60;’))

    This will force RSS Widgets to refresh every 60 seconds so i always have got the latest information from my forums.

    1.) When you release a theme update, all my custom information from functions.php are gone. Is there a clean way to prevent this?

    2.) After the latest theme update my string does not work anymore. I added it – as usual – to “forefront”‘s functions.php but then my page won’t load. (Just shows a white page)

    Do you have any ideas about this?

    Thanks in advance,

    Lead Developer
    Lead Developer

    Hi Dominik,

    1. Yes – this is annoying, and the trouble with releasing child themes. Your best bet is to use this plugin:

    It allows you to create a plugin that you can add your PHP to – this way, theme updates won’t ever touch your custom functions.

    2. Make sure it looks like this:

    add_filter('wp_feed_cache_transient_lifetime',create_function('$a', 'return 60;'));

    Dominik Günder

    Hey Tom,

    thanks for the quick answer. Pluginception works perfectly. I’m wondering how you always find these awesome plugins.. I’ve been searching for this over the last days. 😉

    Lead Developer
    Lead Developer
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