Elgg-Lorea-Hydra/engine/lib/extender.php

<?php
/**
 * Elgg Entity Extender.
 * This file contains ways of extending an Elgg entity in custom ways.
 *
 * @package Elgg.Core
 * @subpackage DataModel.Extender
 */

/**
 * Detect the value_type for a given value.
 * Currently this is very crude.
 *
 * @todo Make better!
 *
 * @param mixed  $value      The value
 * @param string $value_type If specified, overrides the detection.
 *
 * @return string
 */
function detect_extender_valuetype($value, $value_type = "") {
	if ($value_type != "" && ($value_type == 'integer' || $value_type == 'text')) {
		return $value_type;
	}

	// This is crude
	if (is_int($value)) {
		return 'integer';
	}
	// Catch floating point values which are not integer
	if (is_numeric($value)) {
		return 'text';
	}

	return 'text';
}