How to push data from mysql query in array as Floyd's Triangle pattern in php?

Question

i have an result from mysql query and i can able fetch data and push to normal array format and also encoded as json and my output looks like

here is my php code

$query1 = mysql_query($myquery1);
if ( ! $query1 ) {
    echo mysql_error();
    die;
}

$data1 = array();
for ($x = 0; $x < mysql_num_rows($query1); $x++) {
    $data1[] = mysql_fetch_assoc($query1);
}
echo json_encode( $data1);

Where myquery1 has the result from mysql select statement

My json result is

 [{"Date":"2017-12-01","users":"5","d0":"5","d1":"0","d2":"0","d3":"0","d4":"0"},
 {"Date":"2017-12-02","users":"0","d0":"0","d1":"0","d2":"0","d3":"0","d4":"0"},
 {"Date":"2017-12-03","users":"0","d0":"0","d1":"0","d2":"0","d3":"0","d4":"0"},
 {"Date":"2017-12-04","users":"1","d0":"1","d1":"0","d2":"0","d3":"0","d4":"0"},
 {"Date":"2017-12-05","users":"1","d0":"1","d1":"0","d2":"0","d3":"0","d4":"0"},
 {"Date":"2017-12-06","users":"1","d0":"1","d1":"0","d2":"0","d3":"0","d4":"0"}]

My expected result has to like this , how can i achieve this

 [{"Date":"2017-12-01","users":"5","d0":"5","d1":"0","d2":"0","d3":"0","d4":"0"},

  {"Date":"2017-12-02","users":"0","d0":"0","d1":"0","d2":"0","d3":"0"},

  {"Date":"2017-12-03","users":"0","d0":"0","d1":"0","d2":"0"},

  {"Date":"2017-12-04","users":"1","d0":"1","d1":"0"},

  {"Date":"2017-12-05","users":"1","d0":"1"},

  {"Date":"2017-12-06","users":"1"}]

I am a beginner in php, please do help with this