如何删除特殊字符的空格

Question

我有一个特殊字符，如何删除下面的特殊字符

$city_name = "  Hải Phòng";
$city_name = trim(preg_replace('/\s+/', ' ', $city_name));

结果仍然是空白

Answer 1

您可以使用：

$city_name = "  Hải Phòng";
$city_name = trim($city_name);
echo $city_name; // Outputs: "Hải Phòng"