Import Categories and Tags Into WordPress Post. Plugin: WP All Import

.php

<?php
/**
 * Import Categories and Tags Into Post
 *
 * Using WP CSV to export blog posts, taxonomy fields include slug (e.g. term:Term, another-term:Another Term)
 * This will exclude slug, returning only term's name
 *
 * Example Usage: [prefix_import_term_name({tx_category[1]})]
 *                [prefix_import_term_name({tx_post_tag[1]})]
 *
 * Plugin: WP ALL Import
 * Reference: http://www.wpallimport.com/documentation/developers/execute-php/
 */
function prefix_import_term_name( $input ) {

    $clean = array();
    $parts = explode( ",", $input );

    foreach( $parts as $item ) :

        $pieces  = explode( ":",  $item );
        $clean[] = end( $pieces );

    endforeach;

    return implode( ",", $clean );
}