Filter to decide if sharing buttons should be displayed.
sharing_show
sharing_show-
filter -
filter wpl_get_optionsFilters where the Likes are displayed.
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action sharing_global_optionsFires at the end of the sharing global options settings table.
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action sharing_admin_updateFires when updating sharing settings.
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filter sharing_show_buttons_on_row_endFilters the HTML at the end of the “Show button on” row.
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filter sharing_show_buttons_on_row_startFilters the HTML at the beginning of the “Show button on” row.
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action end_likes_meta_box_contentFires after the Likes meta box content in the post editor.
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action start_likes_meta_box_contentFires before the Likes meta box content in the post editor.
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filter likes_meta_box_titleFilters the Likes metabox title.
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filter post_flair_disableAllow disabling of the Likes metabox on the post editor screen.
Jetpack Developer Resources 