How to consume clean JSON from twitter in php - php

May be I am missing something very basic here, but this is what I tried and in some cases my JSON is not a valid JSON.
Code -
$hash_tag = $_POST['hash_tag'];
$url = 'https://api.twitter.com/1.1/search/tweets.json';
$getfield = "?q=#".$hash_tag."&count=30";
$requestMethod = 'GET';
$twitter = new TwitterAPIExchange($settings);
$data = $twitter->setGetfield($getfield)
->buildOauth($url, $requestMethod)
->performRequest();
$tdata = json_decode($data);
$newArr0 = array();
foreach($tdata as $k=>$v) {
if($k == "statuses")
$newArr0 = $v;
}
foreach ($newArr0 as &$nval1) {
unset($nval1->source);
if(isset($nval1->retweeted_status)) {
unset($nval1->retweeted_status);
}
}
//stripslashes($newArr0);
$myarray = array('response'=>'1','message'=>'Tweet result', 'tweet_data'=>$newArr0);
echo json_encode($myarray);
Like I searched for Britney but it gives me an Invalid JSON - JSON
Error -
Parse error on line 623:
... "location": "WVU 2017 \u
-----------------------^
Expecting 'STRING', 'NUMBER', 'NULL', 'TRUE', 'FALSE', '{', '['
But If I search "sachin" I am getting Valid JSON, Let me know what I am doing wrong here, as I need to send the JSON encoded stream to mobile devices from back end.

The JSON response contains no errors. The error is that you are pasting the response into http://jsonlint.com/ or some other service which clearly cuts the string at exactly the offset you are showing the error.
Stop using the service for such long string and remember to check what you pasted to the original response you got in PHP.
Also, when you have problems like this, cut your logic into smaller parts. Such as
$tdata = json_decode($data);
after this do a
var_dump($tdata);
die;
as you want to cut out whatever you are doing after getting and decoding the response and narrowing the reason to the failure. The rest of the code is when debugging the response, just noise.
If you only run the code in top, and not manually copy pasting it, it works fine..

Related

Converting PHP response string to JSON in Android, always says JSON string is Malformed

I am trying to send data from MSSQL table on server to Android app via PHP. I am using Volley to send the request for data.
The issue is that no matter what I try, Android says the returned JSON encoded string is "Malformed".
I have put the returned JSON string "response" into online JSON decoders and it displays perfectly, yet Andoid says: "Syntax error, malformed JSON{"data":[{"claimNumber":"f265e5e.....}]".
However, if I hardcode a copy and paste of the returned "response" string into a variable "input" in the Android
response function, it works perfectly.
JSONObject jObj = new JSONObject(response); ** Fails - Android says Malformed.
JSONObject jObj = new JSONObject(input); ** Android uses it with no issues.
The following is the method in Android used to receive the PHP response. Have included Log outputs of both the "response" string and
the manually entered "input" string. They are identical, yet Android won't use the actual "response" string.
public void onResponse(String response) {
if (response.equals("failed")) {
Log.d("failed", "failed");
callback.onResponse(null);
return;
}
try {
// Android sees the response returned from the PHP function as always Malformed.
Log.d("response", response);
D/response: - Syntax error, malformed JSON {"data":[{"claimNumber":"f265e5e6513070abd1f711232cfd3a491075f15bc9714cf723e373f02e71a214","xlsLine":"8b3490231cd923c133989dd93574de131b6c388a86153a74eb6ae2507193a008c9d3d0264452cc1bd1113d5a722f3ea7975f322461f486be96e789424459e20bcbaf878f5d0efe09426b90c046d881100e166ef0bfcf8721266383aabf3837a213854e8425e92b722791640576d3c0ce7722ff3de2e6005c85df840bea3b10982b7bcf8bec3398ea03e08e6a2879cb29e0e6c3c05370e1c2cf819e6156991c762b2247e8a5b51edb852bb371aca011eccaa581ed577e74d6bf0f2a71e43e7751e3fa6e5f68c2a6e4ccd4fc338fc2a2ea4a9d98018c52fe5953741a53d7f7a6f1c1e57901d64c957dc1776ab0ed28f5754f7d44008ebc5864cfd34dd3b1f1bf82db49674b8e7a3e381882f7cc1035bfdba114280f6c173e337d1813fb47a9b1aaf1d52faac197f90cced9eea754cf441cb262b3117444ad3a265cefb9593d40cdb8a3ae0235cc06baffbcac493bf45852908b014f063c29d85347e808e7ed4be8688327bf3280759ea1ff187287dcabaaee8859a6da782cd2451e2911fe16ca7d","markerColor":"0","edited":"0"}]}
// If I copy the returned "response" string manually into a variable "input", Android says it's fine.
String input = "{\"data\":[{\"claimNumber\":\"f265e5e6513070abd1f711232cfd3a491075f15bc9714cf723e373f02e71a214\",\"xlsLine\":\"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\",\"markerColor\":\"0\",\"edited\":\"0\"}]}";
// Log showing Androids interpretation of the manually entered "input" string
// It matches the "response" string exactly yet "response" string fails.
Log.d("input", input);
D/input: {"data":[{"claimNumber":"f265e5e6513070abd1f711232cfd3a491075f15bc9714cf723e373f02e71a214","xlsLine":"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","markerColor":"0","edited":"0"}]}
JSONObject jObj = new JSONObject(input);
jArray = jObj.getJSONArray("data");
} catch (JSONException e) {
e.printStackTrace();
}
}
// GSON print of JSON Object from the manually entered "input" variable.
I/System.out: {
"nameValuePairs": {
"data": {
"values": [
{
"nameValuePairs": {
"claimNumber": "f265e5e6513070abd1f711232cfd3a491075f15bc9714cf723e373f02e71a214",
"xlsLine": "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",
"markerColor": "0",
"edited": "0"
}
}
]
}
}
}
Have tried php output with and without slashes. No change... still malformed.
Have tried stripping non-standard chars. There are none.
Have forced charset "UTF-8". No difference.
Have searched and tried every conceivable solution for this on Google. Nothing works.
I'm at a loss as to what to try next. Totally confused on why Android can't use the returned Json string,
but can use it if you manually take the same string and put it in a variable in the code directly.
Can someone tell me if this is a known bug, if the JSON really is malformed or if something else comes to mind?
Thank you
EDIT
Here is the PHP that creates the json to return to Android.
$options = array( "Scrollable" => SQLSRV_CURSOR_KEYSET );
$stmt2 = sqlsrv_query( $conn3, $tsql1, $params, $options);
$row_count = sqlsrv_num_rows($stmt2);
if ($row_count === false) {
echo("failed");
} else {
while( $userClaims = sqlsrv_fetch_array($stmt2, SQLSRV_FETCH_ASSOC) ) {
$claimNum = $userClaims['ClaimNumber'];
$xls = $userClaims['XLS'];
$color = $userClaims['Color'];
$edited = "0";
$keyvals = (object) array("claimNumber" => $claimNum, "xlsLine" => $xls, "markerColor" => $color, "edited" => $edited);
array_push($response,$keyvals);
}
$encoded = json_encode(array('data' => $response));
EDIT 2
The following is the complete php section of code that creates the json return string. The array is initialized at the top. Have written the php json string to a text file on server and copied the text to a json checker and it works fine.
$response = array();
$i = 0;
$param1 = $token;
$params = array( &$param1);
$tsql1 = "SELECT * FROM Claims WHERE Token = ? AND DeletionFlag = 0";
$options = array( "Scrollable" => SQLSRV_CURSOR_KEYSET );
$stmt2 = sqlsrv_query( $conn3, $tsql1, $params, $options);
$row_count = sqlsrv_num_rows($stmt2);
if ($row_count === false) {
echo("failed");
} else {
while( $userClaims = sqlsrv_fetch_array($stmt2, SQLSRV_FETCH_ASSOC) ) {
$claimNum = $userClaims['ClaimNumber'];
$xls = $userClaims['XLS'];
$color = $userClaims['Color'];
$edited = "0";
$keyvals = (object) array("claimNumber" => $claimNum, "xlsLine" => $xls, "markerColor" => $color, "edited" => $edited);
array_push($response,$keyvals);
}
$encoded = json_encode(array('data' => $response));
echo $encoded;
}
sqlsrv_close($conn3);
Thank you for your help Andy. I finally figured it out. I found a line of code in the php file that was out of place. It was trying to json_decode an empty string. This is what was generating the extra 36 chars about the malformed string in my actual response. Once I moved it to the correct place, everything started working beautifully. Should have known better, most likely a blasted copy/paste error. Should teach me not to be lazy and actually type ALL my code. Thanks, again!!

PHP Json decode not work in laravel

I have a C# client, its send a json to my php server.
There is the json string:
{"data":[{"name":"1"}]}
Its a valid json. When i try it in PHP Sandbox its works good
$ad = '{"data":[{"name":"1"}]}';
$contents = utf8_encode($ad );
$results = json_decode($contents);
var_dump($results->data);
But,when i try in laravel 5.1, its not work good.
$response = $connection -> getData();
// return $response; (Its equal : {"data":[{"name":"1"}]} )
$contents = utf8_encode($response);
$results = json_decode($contents);
dd($results->data); // Error Trying to get property of non-object
I hope someone can help me.
Thanks!
Based on the comments, it looks like the socket_read() in the getData() method is reading 1 character at a time, and then concatenating each NUL terminated character into a response string. json_decoded() is choking on all the extra NUL characters.
You can either update your logic in the getData() method so it is not doing this, or you can run a str_replace on the results:
$response = $connection -> getData();
// get rid of the extra NULs
$response = str_replace(chr(0), '', $response);
$contents = utf8_encode($response);
$results = json_decode($contents);
dd($results->data);

Get JSON object from URL Difficulties

I'm having difficulties grabbing any of the JSON information from this URL.
I've tried other JSON snippets and they seem to work so I'm not sure if it's the way that the URL is structured or something.
Basic example below.
<?php
$json = file_get_contents('http://nhs-sh.cfpreview.co.uk/api/version/fetchLatestData?dataType=Clinics&versionNumber=-1&uuID=website&dt=');
$obj = json_decode($json);
echo "Body: " . $obj->Body;
?>
The link provided starts with
{ data :
which is valid javascript but invalid json. You can test it on http://jsonlint.com. To fix this we can replace the data with "data" :
$json = file_get_contents('http://nhs-sh.cfpreview.co.uk/api/version/fetchLatestData?dataType=Clinics&versionNumber=-1&uuID=website&dt=');
$obj = json_decode($json);
if (json_last_error() !== JSON_ERROR_NONE) { //check if there was an error decoding json
$json = '{ "data" :'. substr(trim($json), 8); // replace the first 8-1 characters with { "data" :
$obj = json_decode($json);
}
print_r($obj->data); //show contents of data
Please note that this fix is dependent on the data source e.g. if they change data to dataset. The correct measure would be to ask the developers to fix their json implementation.

How do I access a JSON-property of a JSON-Object in php?

I've got a really weird problem and I can't figure out why.
The situation is quite simple. My Android app uploads JSON data to a php script on my server. Right now I am trying to parse the data.
This is the JSON-Array passed to the script (via httpPost.setEntity ()):
[{"friends_with_accepted":"false","friends_with_synced":"false","friends_with_second_id":"5","friends_with_first_id":"6"}]
This is the php script:
<?php
// array for JSON response
$response = array();
$json = file_get_contents ('php://input');
$jsonArray = json_decode ($json, true);
foreach ($jsonArray as $jsonObject) {
$firstId = $jsonObject['friends_with_first_id'];
$accepted = $jsonObject ['friends_with_accepted'];
$secondId = $jsonObject ['friends_with_second_id'];
$synced = $jsonObject ['friends_with_synced'];
echo "accepted: ".$accepted."synced: ".$synced;
} ?>
And this is the response I get from the script:
accepted: synced: false
Why is the "synced" property correctly passed, but not the "accepted" property??
I can't see the difference. Btw, firstId and secondId are parsed correctly as well.
Okay, i just found the problem:
Instead of
$accepted = $jsonObject ['friends_with_accepted'];
I deleted the space between jsonObject and the bracket
$accepted = $jsonObject['friends_with_accepted'];

Google Translate API and Character Encoding

I am using the below PHP code with Google's Translate API and I have read that json_encode requires UTF-8 input, so was wondering how do I know if Google is returning UTF-8 encoded characters to me?
// URL Encode string
$str = urlencode($str);
// Make request
$response = file_get_contents('https://www.googleapis.com/language/translate/v2?key=' . GTRAN_KEY . '&target=es&source=en&q=' . $str);
// Decode json response to array
$json = json_decode($response,true);
if json_decode fails (for any reason, including charset-problems) it will return null, so you could check for that. to specifically chck the encoding, you could use mb_detect_encoding.
if(!mb_detect_encoding($response, 'UTF-8', true)){
// error: no utf-8
}else{
$json = json_decode($response,true);
if($json === null){
// error: json_decode failed (or google returned 'null')
}else{
// ok, do great stuff here
}
}

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