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<?php

/**
 * From https://gist.github.com/cliffordp/6a7f538e3f65876d0f2191d5bd4771df
 * 
 * The Events Calendar - Community Events: make a category CHECKED by default
 * Note: This will also auto-check the specified Event Categories on the Edit form, not just the Add New form
 * 
 */
add_action( 'tribe_events_community_after_the_categories', 'cliff_tribe_community_events_form_tax_checked' );
function cliff_tribe_community_events_form_tax_checked() {
	
	// YOU MUST CHANGE THE input#... to your category's category ID...
	
	// We use .find() instead of all in one jQuery() so that we can easily check multiple boxes if we want to--just duplicate the line with .find() in it and change that category ID (like the commented out line)
	?>
	<script>
		jQuery( document ).ready( function() {
			const ce_event_cats = jQuery( "#tribe-community-events #event-categories" );
			
			// Event Category ID 8 is checked by default
			jQuery( ce_event_cats ).find( "input#in-tribe_events_cat-8" ).prop( "checked", true );
			
			// Uncomment this line to also make Event Category ID 31 checked by default
			//jQuery( ce_event_cats ).find( "input#in-tribe_events_cat-31" ).prop( "checked", true );
		});
	</script>
	<?php
}