Updates meta and adds text to taxonomy

updatemeta.php

<?php

define('WP_USE_THEMES', false);
require_once('wp-load.php');

echo 'iniciado proceso.<br />';

/**
 * Finds product categories ids from array of names given
 *
 * @param array $taxonomy_names Array of names.
 * @return string IDS of categories.
 */
function find_categories_ids( $taxonomy_names, $taxonomy ) {
	$level    = 0;
	$cats_ids = array();

	foreach ( $taxonomy_names as $taxonomy_name ) {
		$cat_slug     = sanitize_title( $taxonomy_name );
		$taxonomy_obj = get_term_by( 'slug', $cat_slug, $taxonomy );
		if ( $taxonomy_obj ) {
			// Finds the category.
			$cats_ids[ $level ] = $taxonomy_obj->term_id;
		} else {
			$parent_prod_id = 0;
			if ( $level > 0 ) {
				$parent_prod_id = $cats_ids[ $level-1 ];
			}
			// Creates the category.
			$term = wp_insert_term(
				$taxonomy_name,
				$taxonomy,
				array(
					'slug'   => $cat_slug,
					'parent' => $parent_prod_id,
				)
			);
			if ( ! is_wp_error( $term ) ) {
				$cats_ids[ $level ] = $term['term_id'];
			}
		}
		$level++;
	}

	return $cats_ids;
}

$examposts = get_posts('posts_per_page=-1&post_type=ttshowcase&fields=ids');
if ( !empty( $examposts ) ) {
	foreach($examposts as $post_id){
		// Linkedin

		$alum_linkedin   = get_post_meta( $post_id, 'contacta_linkedin', true );
		$alum_rating     = get_post_meta( $post_id, 'valoracion', true );
		$alum_programa   = get_post_meta( $post_id, 'programa', true );
		$alum_promocion  = get_post_meta( $post_id, 'promocion', true );
		$alum_content    = get_post_meta( $post_id, '_aditional_info_short_testimonial', true );
		$alum_titulacion = get_post_meta( $post_id, 'titulacion', true );

		$programa_id = '';
		if ( $alum_programa ) {
			$args = array( 'post_type' => 'programa', 's' => $alum_programa );
			$query = get_posts( $args );
			if ( count( $query) > 0 ) {
				$programa_id = $query[0]->ID;
			}
		}

		if ( $alum_promocion ) {
			$roman = explode( ' ', $alum_promocion );
			$roman_values = array(
				'I'  => 1,
				'II' => 2,
				'III' => 3,
				'IV' => 4,
				'V' => 5,
				'VI' => 6,
				'VII' => 7,
				'VIII' => 8,
				'IX' => 9,
				'X' => 10,
				'XI' => 11,
				'XII' => 12,
				'XIII' => 13,
				'XIV' => 14,
				'XV' => 15,
				'L' => 50,
				'C' => 100,
				'D' => 500,
				'M' => 1000,
			);
			$promocion_num = $roman_values[ $roman[0] ];
		} else {
			$promocion_num = '';
		}

		update_post_meta( $post_id, 'alum_linkedin', $alum_linkedin );
		update_post_meta( $post_id, 'alum_rating', $alum_rating );
		update_post_meta( $post_id, 'alum_programa', $programa_id );
		update_post_meta( $post_id, 'alum_promocion', $promocion_num );

		$my_post = array(
			'ID'           => $post_id,
			'post_content' => $alum_content,
		);

		// Update the post into the database.
		wp_update_post( $my_post );


		// Category.
		$cats_ids_term = find_categories_ids( array( $alum_titulacion ), 'titulacion' );
		wp_set_post_terms(
			$post_id,
			$cats_ids_term,
			'titulacion'
		);

		echo '---<br />';
		echo 'PostID: ' . $post_id . '<br/>';
		echo 'Alumno: ' . get_the_title( $post_id ) . '</br>';
		echo 'Programa ID: ' . $programa_id . '</br>';
		echo 'Promoción: ' . $promocion_num . '</br>';
		echo 'Titulación anterior: ' . $alum_titulacion . '</br>';
		echo 'Titulación ID: ' . implode( ',', $cats_ids_term ) . '</br>';

		// Delete post meta.
		delete_post_meta( $post_id, '_aditional_info_custom_boolean' );
		delete_post_meta( $post_id, '_aditional_info_custom_boolean_2' );
		delete_post_meta( $post_id, '_aditional_info_custom_boolean_3' );
		delete_post_meta( $post_id, '_aditional_info_custom_boolean_4' );
		delete_post_meta( $post_id, '_aditional_info_email' );
		delete_post_meta( $post_id, '_aditional_info_name' );
		delete_post_meta( $post_id, '_aditional_info_rating' );
		delete_post_meta( $post_id, '_aditional_info_review_title' );
		delete_post_meta( $post_id, '_aditional_info_short_testimonial' );
		delete_post_meta( $post_id, '_aditional_info_target' );
		delete_post_meta( $post_id, '_aditional_info_url' );
		delete_post_meta( $post_id, '_advanced_info_custom_url' );
		delete_post_meta( $post_id, '_advanced_info_target' );
		delete_post_meta( $post_id, '_answer_info_answer' );
		delete_post_meta( $post_id, '_answer_info_notes' );
		delete_post_meta( $post_id, '_cargo-alumno' );
		delete_post_meta( $post_id, '_contacta_linkedin' );
		delete_post_meta( $post_id, '_edit_last' );
		delete_post_meta( $post_id, '_edit_lock' );
		delete_post_meta( $post_id, '_inscrito_registro' );
		delete_post_meta( $post_id, '_programa' );
		delete_post_meta( $post_id, '_promocion' );
		delete_post_meta( $post_id, '_thumbnail_id' );
		delete_post_meta( $post_id, '_titulacion' );
		delete_post_meta( $post_id, '_valoracion' );
		delete_post_meta( $post_id, '_wp_old_date' );
		delete_post_meta( $post_id, '_wp_page_template' );
		delete_post_meta( $post_id, '_yoast_wpseo_content_score' );
		delete_post_meta( $post_id, '_yoast_wpseo_estimated-reading-time-minutes' );
		delete_post_meta( $post_id, '_yoast_wpseo_meta-robots-noindex' );
		delete_post_meta( $post_id, '_yoast_wpseo_primary_category' );
		delete_post_meta( $post_id, 'alum_rating' );
		delete_post_meta( $post_id, 'cargo-alumno' );
		delete_post_meta( $post_id, 'contacta_linkedin' );
		delete_post_meta( $post_id, 'inline_featured_image' );
		delete_post_meta( $post_id, 'inscrito_registro' );
		delete_post_meta( $post_id, 'programa' );
		delete_post_meta( $post_id, 'promocion' );
		delete_post_meta( $post_id, 'rank_math_advanced_robots' );
		delete_post_meta( $post_id, 'rank_math_analytic_object_id' );
		delete_post_meta( $post_id, 'rank_math_facebook_enable_image_overlay' );
		delete_post_meta( $post_id, 'rank_math_facebook_image_overlay' );
		delete_post_meta( $post_id, 'rank_math_internal_links_processed' );
		delete_post_meta( $post_id, 'rank_math_permalink' );
		delete_post_meta( $post_id, 'rank_math_primary_category' );
		delete_post_meta( $post_id, 'rank_math_primary_titulacion' );
		delete_post_meta( $post_id, 'rank_math_primary_ttshowcase_groups' );
		delete_post_meta( $post_id, 'rank_math_robots' );
		delete_post_meta( $post_id, 'rank_math_seo_score' );
		delete_post_meta( $post_id, 'rank_math_title' );
		delete_post_meta( $post_id, 'rank_math_twitter_card_type' );
		delete_post_meta( $post_id, 'rank_math_twitter_enable_image_overlay' );
		delete_post_meta( $post_id, 'rank_math_twitter_image_overlay' );
		delete_post_meta( $post_id, 'rank_math_twitter_use_facebook' );
		delete_post_meta( $post_id, 'titulacion' );
		delete_post_meta( $post_id, 'valoracion' );		

		set_post_type( $post_id, 'alumno'  );
	}
}
echo 'finalizado proceso.<br />';