Support » Plugin: Leaflet Maps Marker (Google Maps, OpenStreetMap, Bing Maps) » Hotfix for W3 Total Cache issue since 0.9.5

  • ResolvedPlugin Author RobertHarm

    (@harmr)


    The popular W3 Total Cache plugin was updated to v0.9.5 today. Unfortunately this update does not consider backward compatiblity for functions lots of other plugins – including Leaflet Maps Marker – are depending on. This is why updating to W3TC 0.9.5 can make parts of your WordPress backend unaccessible and you will the see the following error in the content area instead: Fatal error: Call to undefined function w3_instance()...

    As we are currently in the last steps of preparing v3.11, we decided to publish a hotfix for this issue. That hotfix has been added to the current 3.10.6 release – so if you have downloaded the plugin after Sep 26th, you are not affected from this issue and do not need to apply the hotfix. If you downloaded the plugin before Sep 26th (and updated to W3 Total Cache 0.9.5) you need to follow this tutorial to apply the hotfix:

    As an alternative you can also edit the file /wp-content/plugins/leaflet-maps-marker/inc/compatibility-checks.php directly and delete the W3TC compatibility check (on line 57-80 for v3.10.6)

    We are sorry for this inconvenience. For future version we will try to make sure that our code runs properly even if function from third-party plugins are removed or not accessible anymore…

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