Allow Twitter Card Meta tags to be disabled.
jetpack_disable_twitter_cards
jetpack_disable_twitter_cards-
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action jetpack_heartbeatFires when we synchronize all registered options on heartbeat.
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filter jetpack_social_media_icons_widget_outputFilters the Social Media Icons widget output.
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filter jetpack_social_media_icons_widget_arrayFires at the end of the list of Social Media accounts. Can be used to add a new Social Media Site to the Social Media Icons Widget. The filter function passed the array of HTML entries that will be sorted by key, each wrapped in a list item element and output as an unsorted list.
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filter jetpack_social_media_icons_widget_profile_linkFires for each profile link in the social icons widget. Can be used to change the links for certain social networks if needed. All URLs will be passed through `esc_attr` on output.
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filter jetpack_widget_get_top_postsFilter the Top Posts and Pages.
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filter jetpack_top_posts_daysFilter the number of days used to calculate Top Posts for the Top Posts widget. We do not recommend accessing more than 10 days of results at one. When more than 10 days of results are accessed at once, results should be cached via the WordPress transients API. Querying for -1 days will give results for an infinite number of days.
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action jetpack_widget_top_posts_after_postFires after each Top Post result, inside .
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action jetpack_widget_top_posts_before_postFires before each Top Post result, inside .
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filter jetpack_top_posts_widget_image_optionsTop Posts Widget Image options.
Jetpack Developer Resources 