TEC > Use abbreviations in US state names

use-us-state-abbreviations.php

<?php
/* Description:  In the US state dropdown the abbreviations will be used instead of the full state name.
 * Usage:        Paste the below snippet into your active (child) theme's functions.php file
 *
 * Plugin:       The Events Calendar
 * Author:       Andras Guseo
 * Last updated: 2021-01-20
 */
 
add_filter( 'tribe_us_states', 'tec_states_abbrev_only' );

function tec_states_abbrev_only( $states ) {
	foreach( $states as $abbr => $fullname ) {
	
		// Use this for: CA
		$new_states[$abbr] = $abbr;
		
		// Use this for: CA (California)
		//$new_states[$abbr] = $abbr . ' (' . $fullname . ')';

		// Use this for: CA - California
		//$new_states[$abbr] = $abbr . ' - ' . $fullname;
	}

	// Resorting by abbreviation
	ksort( $new_states );
	
	return $new_states;
}