How do I fetch data from MySQL in React Native and PHP using a search engine?

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Arunava Biswas

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this.is my php file: $con = mysqli_connect($HostName,$HostUser,$password,$db); // Getting the received JSON into $json variable. $json = file_get_contents('php://input'); // decoding the received JSON and store into $obj variable. $obj = json_decode($json,true); // Populate ID from JSON $obj...
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this.is my php file: $con = mysqli_connect($HostName,$HostUser,$password,$db); // Getting the received JSON into $json variable. $json = file_get_contents('php://input'); // decoding the received JSON and store into $obj variable. $obj = json_decode($json,true); // Populate ID from JSON $obj array and store into $ID. $ID = $obj['numero']; //Fetching the selected record. $CheckSQL = "SELECT origine FROM envoi WHERE numero='$ID'"; $result = $con->query($CheckSQL); if ($result->num_rows >0) { while($row[] = $result->fetch_assoc()) { $Item = $row; $json = json_encode($Item); echo $json; } } else { $EmailExistMSG= "No Results Found."; $EmailExistJson = json_encode($EmailExistMSG); echo $EmailExistJson ; } And this is my react native script where i should enter number and fetch his data if it's exist in my database: search= () =>{ //alert('ok'); const {numero}=this.state; fetch('http://192.168.1.4:80/search.php',{ method:'post', header:{ 'Accept':'application/json', 'Content-type' :'application/json' }, body:JSON.stringify({numero:numero})}).then((responseData)=>responseData.json()).then((responseJson)=>{alert(responseJson)}).catch((error)=>{console.error(error);})} render(){ return( <View style={styles.pass}> <TextInput placeholder="Saisir le numéro de suivi de l'envoi" onChangeText= {numero=>this.setState({numero})}/> <TouchableOpacity onPress={this.search} style={{marginTop:20,marginLeft:70}}> <Icon name="search" size={20}/> </TouchableOpacity> </View> ) } read less
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