note 57785 deleted from ref.array by googleguy

Note Submitter: designatevoid at gmail dot com ---- Here's an improvement to the array_to_string and string_to_array functions posted by daenders AT yahoo DOT com above. They now handle NULL values correctly. <?php // Converts an array to a string that is safe to pass via a URL function array_to_string($array) { $retval = ''; $null_value = "^^^"; foreach ($array as $index => $value) { if (!$value) $value = $null_value; $retval .= urlencode(base64_encode($index)) . '|' . urlencode(base64_encode($value)) . '||'; } return urlencode(substr($retval, 0, -2)); } // Converts a string created by array_to_string() back into an array. function string_to_array($string) { $retval = array(); $string = urldecode($string); $tmp_array = explode('||', $string); $null_value = urlencode(base64_encode("^^^")); foreach ($tmp_array as $tmp_val) { list($index, $value) = explode('|', $tmp_val); $decoded_index = base64_decode(urldecode($index)); if($value != $null_value) $retval[$decoded_index] = base64_decode(urldecode($value)); else $retval[$decoded_index] = NULL; } return $retval; } ?>