Converts an integer to a string by mapping each byte to its corresponding ASCII character.

chr_word.php

<?php declare(strict_types = 1);

/**
 * Converts an integer to a string by mapping each byte to its corresponding ASCII character.
 * @license MIT
 *
 * @param int $int The integer to convert.
 * @return string The resulting string.
 * @throws \RangeException If the decoded character is out of the valid ASCII range (33-126).
 */
function chr_word(int $int): string {
	$string = '';

	while ($int > 0) {
		$ord = $int % 256;

		if ($ord >= 33 && $ord <= 126) {
			$string .= chr($ord);
			$int = intdiv($int, 256);
		} else {
			throw new \RangeException("Character out of range");
		}
	}

	return $string;
}