protected function quote($value)
{
if (!isset($value)) {
return "NULL";
}
if (is_array($value)) {
// (a, b) IN ((1, 2), (3, 4))
return "(" . implode(", ", array_map(array($this, 'quote'), $value)) . ")";
}
$value = $this->formatValue($value);
if (is_float($value)) {
return sprintf("%F", $value);
// otherwise depends on setlocale()
}
if ($value === false) {
return "0";
}
if (is_int($value) || $value instanceof FluentLiteral) {
// number or SQL code - for example "NOW()"
return (string) $value;
}
return $this->fpdo->getPdo()->quote($value);
}