Support » Plugin: Asset CleanUp: Page Speed Booster » PHP compatibility warnings from your plugin

  • Resolved moisb


    Hello, today I did a compatibility test to update my website from PHP 7.0.x to PHP 7.1.x.
    There were some warnings from your plugin. Obviously I know this does not stop the plugin, however it is interesting to check the warnings to avoid future problems 🙂

    FILE: htdocs/wp-content/plugins/wp-asset-clean-up/freemius/includes/fs-essential-functions.php
    175 | WARNING | Function name “__fs” is discouraged; PHP has reserved all method names with a double underscore prefix for future use.

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  • Plugin Author Gabe Livan


    @moisb, this warning is from a global function “__fs” within the Freemius WordPress SDK and it will not be triggered in the front-end view. It will only be declared (never triggered) as a function within the Dashboard. The function has been replaced with fs_text(). Moreover, the PHP file uses function_exists() to check if it was already declared (to avoid further conflicts in case a different plugin uses the same SDK).

    This shouldn’t stop the plugin from working in any way and in my tests, in PHP 7+ (I’m using WP_DEBUG always set to true) no warning was ever shown.

    Thanks for posting this and in case I will later use my own code (this SDK is quite heavy for what I need), this kind of warnings won’t be shown again via the tools you’ve used to check for the compatibility (I suppose you used WP Engine’s “PHP Compatibility Checker” plugin).

    @gabelivan I got it! Thank you very much for your attention.

    Yes, I used the WP Engine plugin.

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