debug_report_bug(__FUNCTION__, __LINE__, 'values[' . $idx . '] should not be an array! Content=<pre>'.print_r($values[$idx], true).'</pre>');
} elseif (($values[$idx] + 0) === $values[$idx]) {
// Number detected
debug_report_bug(__FUNCTION__, __LINE__, 'values[' . $idx . '] should not be an array! Content=<pre>'.print_r($values[$idx], true).'</pre>');
} elseif (($values[$idx] + 0) === $values[$idx]) {
// Number detected