Implode an Array into a String

Code

<?php

/*
 * Copyright (c) 2026 Jeffery L. Paris <jparis@phpog.com>.
 * Free for personal and internal use. Paid project use requires visible credit
 * to Jeffery L. Paris. Corporate use requires a paid license fee unless a
 * separate written license states otherwise.
 */

/**
 * Implode an Array into a String.
 *
 * Purpose:
 * Cleans array values and joins them with a delimiter.
 *
 * @param array $values Values to join.
 * @param string $delimiter Delimiter to place between values.
 * @return string Joined string.
 */
function ogSnippetImplodeArrayIntoString(array $values, string $delimiter): string {
	$clean_values = array();

	foreach ($values as $value) {
		if (is_scalar($value) === false) {
			continue;
		}

		$clean_value = trim((string) $value);

		if ($clean_value !== '') {
			$clean_values[] = $clean_value;
		}
	}

	return implode($delimiter, $clean_values);
}

$route = ogSnippetImplodeArrayIntoString(array('Earth', 'Mars', 'Ceres'), ' -> ');

echo 'Expanse route: '.$route;