Comment analyser la vale clé dynamique en php

Question

comment gérer la clé dynamique JSON

[ 
     { 
     "batch_id": "132", 
     "benf_id": "ANP-JAI-1190", 
     "NA3": "", 
     "NA4": "", 
     "status": "Y", 
     "NA5": "", 
     "datapoint_id": "105", 
     "status_update_time": "28/8/2017 ", 
     "user_id": "santoshk", 
     "pop_id": "40", 
     "measuring": "1000ltr", 
     "weight": "100gm" 
     }, 

     { 
     "batch_id": "133", 
     "benf_id": "ANP-JAI-1195", 
     "NA3": "", 
     "NA4": "", 
     "status": "Y", 
     "NA5": "", 
     "datapoint_id": "106", 
     "status_update_time": "28/8/2017 ", 
     "user_id": "santoshk", 
     "pop_id": "41", 
     "water": "1000ltr", 
     "medicine": "100gm" 
     } 

    ] 

// mon code php

public function benf_status_update($jdata) 
{ 
    $count=0; 
    $this->load->model('m_sf_user'); 
    while($count < count($jdata)) 
    { 
     $batch_id = $jdata[$count]->batch_id; 
     $benf_id = $jdata[$count]->benf_id; 
     $m3=$jdata[$count]->NA3; 
     $m4=$jdata[$count]->NA4; 
     $status = $jdata[$count]->status; 
     $m5=$jdata[$count]->NA5; 
     $m1=$jdata[$count]->0; 
     $m2=$jdata[$count]->0; 
     $datapoint_id = $jdata[$count]->datapoint_id; 
     $status_update_time = $jdata[$count]->status_update_time; 
     $user_id =$jdata[$count]->user_id; 
     $pop_id = $jdata[$count]->pop_id; 
     $benf_id = substr($benf_id,8,strlen($benf_id)); 
     $qry = "UPDATE pop_b_m_points a JOIN m_pop_batch b ON 
         b.pop_id=".$pop_id." 
         and b.batch_id=".$batch_id." 
         and a.data_p_id=b.dpoint_id 
         and a.benf_id=".$benf_id." 
         and a.m_point_id=".$datapoint_id." 
         SET a.status='".$status."', 
         a.m1='".$m1."', 
         a.m2='".$m2."', 
         a.m3='".$m3."', 
         a.m4='".$m4."', 
         a.m5='".$m5."' ,     
         a.update_time= (SELECT (DATE_FORMAT(STR_TO_DATE('".$status_update_time."', '%d/%m/%Y'), '%Y%m%d')))"; 

     $this->m_sf_user->jSONservices_u($qry); 
     $count++; 
    } 
    $x=array('json_status'=>"success"); 
    echo json_encode($x); 
} 

Answer 1

Vous pouvez simplement utiliser json_decode

json_decode($string) to convert String into Array/Object (stdClass). 

Exemple:

$myRawJson = '{ 
    "batch_id": "133", 
    "benf_id": "ANP-JAI-1195", 
    "NA3": "", 
    "NA4": "", 
    "status": "Y", 
    "NA5": "", 
    "datapoint_id": "106", 
    "status_update_time": "28/8/2017 ", 
    "user_id": "santoshk", 
    "pop_id": "41", 
    "water": "1000ltr", 
    "medicine": "100gm" 
}'; 

$myAssoc = json_decode($myRawJson); 
$myObject = (object)(json_decode($myRawJson)); 

var_dump($myAssoc['medicine']); //100gm 
var_dump($myObject->medicine); //100gm 

Answer 2

Si vous ne savez pas avec certitude quelles colonnes vous obtiendrez, mais souhaitez tout enregistrer. Puis faites une colonne supplémentaire 'données' dans laquelle vous sauvegardez l'ensemble des données via json_encode()

Si vous pouvez vous assurer que certains champs sont toujours là, utilisez-les dans des colonnes séparées afin de les filtrer et de les trier, mais utilisez également la colonne de données pour ajouter l'ensemble de données complet.