$regulararray = array(
array( "label" => "Hello World", "value" => 1 ),
array( "label" => "Hej Världen", "value" => 2 )
);
$jsonArray = json_encode( $regulararray );
(“Hejvärlden”意味着瑞典语中的hello world)但是当我打印$jsonArray时,我得到了这个:
[{"label":"Hello World","value":1},{"label":null,"value":2}]
为什么数组中第二项的标签为null?我知道它与“Världen”这个词有关,因为它包含一个非标准的字母.我怎么能绕过这个?
解决方法:
json_encode功能仅适用于UTF-8编码数据.您可以将输入数组数据更改为UTF-8.
使用utf8_encode对输入数组数据进行编码,并在需要使用utf8_decode的数据时对其进行解码
<?PHP
$regulararray = array(
array( "label" => "Hello World", "value" => 1 ),
array( "label" => "Hej Världen", "value" => 2 )
);
$regulararray[1]['label'] = utf8_encode( $regulararray[1]['label']);
echo $jsonArray = json_encode( $regulararray );
$data = json_decode($jsonArray, true);
$data[1]['label'] = utf8_decode($data[1]['label']);
print_r($data);
?>
输出: –
[{"label":"Hello World","value":1},{"label":"Hej V\u00c3\u00a4rlden","value":2}]
Array
(
[0] => Array
(
[label] => Hello World
[value] => 1
)
[1] => Array
(
[label] => Hej Världen
[value] => 2
)
)