获取 JSON 编码数据 PHP CodeIgniter
Get JSON Encode Data PHP CodeIgniter
我有 json 数据存储在数据库中,字段名称为“field_form”,如下所示:
[
{
"panjang": "200",
"tipe_data": "text",
"nama_field": "nama lengkap"
},
{
"panjang": "201",
"tipe_data": "number",
"nama_field": "tahun lahir"
}
]
我需要在 PHP CodeIgniter 控制器中获取“nama_field”数据,当我使用以下代码获取数据时:
$data_form = $this->perizinan_model->get_sub_field_form($id_jenis_izin)->result();
foreach($data_form as $data_field){
var_dump(json_decode($data_field->field_form));
}
var_dump 结果是
array(2) { [0]=> object(stdClass)#21 (3) { ["panjang"]=> string(3) "200" ["tipe_data"]=> string(4) "text" ["nama_field"]=> string(12) "nama lengkap" } [1]=> object(stdClass)#23 (3) { ["panjang"]=> string(3) "201" ["tipe_data"]=> string(6) "number" ["nama_field"]=> string(11) "tahun lahir" } }
但是,我只想获取 nama_field 数据,并将其存储在数组中。先谢谢了。
您必须 json_decode
JSON 对象并将其转换为关联数组。
foreach($data_form as $data_field){
$data = json_decode($data_field->field_form, true);
// the you can access your data as an array
var_dump($data['nama_field']);
}
来自您的数据结构。它是数组中的对象然后这是代码。
$nama_fields = [];
foreach($data_form as $data_field){
$jsonData = json_decode($data_field->field_form);
if (is_array($jsonData)) {
foreach ($jsonData as $index => $item) {
if (isset($item->nama_field)) {
$nama_fields[] = $item->nama_field;
}
}
}
}
// then use $nama_fields variable.
var_dump($nama_fields);
我有 json 数据存储在数据库中,字段名称为“field_form”,如下所示:
[
{
"panjang": "200",
"tipe_data": "text",
"nama_field": "nama lengkap"
},
{
"panjang": "201",
"tipe_data": "number",
"nama_field": "tahun lahir"
}
]
我需要在 PHP CodeIgniter 控制器中获取“nama_field”数据,当我使用以下代码获取数据时:
$data_form = $this->perizinan_model->get_sub_field_form($id_jenis_izin)->result();
foreach($data_form as $data_field){
var_dump(json_decode($data_field->field_form));
}
var_dump 结果是
array(2) { [0]=> object(stdClass)#21 (3) { ["panjang"]=> string(3) "200" ["tipe_data"]=> string(4) "text" ["nama_field"]=> string(12) "nama lengkap" } [1]=> object(stdClass)#23 (3) { ["panjang"]=> string(3) "201" ["tipe_data"]=> string(6) "number" ["nama_field"]=> string(11) "tahun lahir" } }
但是,我只想获取 nama_field 数据,并将其存储在数组中。先谢谢了。
您必须 json_decode
JSON 对象并将其转换为关联数组。
foreach($data_form as $data_field){
$data = json_decode($data_field->field_form, true);
// the you can access your data as an array
var_dump($data['nama_field']);
}
来自您的数据结构。它是数组中的对象然后这是代码。
$nama_fields = [];
foreach($data_form as $data_field){
$jsonData = json_decode($data_field->field_form);
if (is_array($jsonData)) {
foreach ($jsonData as $index => $item) {
if (isset($item->nama_field)) {
$nama_fields[] = $item->nama_field;
}
}
}
}
// then use $nama_fields variable.
var_dump($nama_fields);