how to convert a string to json, but without quotes, by php jsonencode

Question

I have this PHP Code...

foreach($valoresa as $cada)
    $listaDatos[$c++] = array('Date.UTC(' . date("Y", strtotime($cada['reading_date'])) . ',' . date("m", strtotime($cada['reading_date'])) . ',' . date("d", strtotime($cada['reading_date'])) . ',' . date("H", strtotime($cada['reading_date'])) . ',' . date("i", strtotime($cada['reading_date'])) . ',' . date("s", strtotime($cada['reading_date'])) . ')', floatval($cada['value']));

Then mixing JS and PHP:

{
    name: '<?php echo $nombreDato; ?>',
    yAxis: <?php echo $yAxis++; ?>,
    data: <?php echo json_encode($listaDatos); ?>
},

This is the result:

data: [["Date.UTC(2013,06,26,16,03,35)",0],["Date.UTC(2013,06,26,16,04,35)",1],["Date.UTC(2013,06,26,16,06,35)",0]]

I want this: (Without any quote)

data: [[Date.UTC(2013,06,26,16,03,35),0],[Date.UTC(2013,06,26,16,04,35),1],[Date.UTC(2013,06,26,16,06,35),0]]

Why am I do this? If I do something like this:

foreach($valores01 as $cada)
    $listaDatos[$c++] = array(strtotime($cada['reading_date']) * 1000, floatval($cada['value']));

The highcharts is recognizing the data date, 2 hours earlier than original, and I just want to test with Date.UTC() because original examples of highcharts do it like this: http://jsfiddle.net/JNkRR/

FIXED:

I fixed with the @nnnnnn tip, it very simple, i was thinking about a any json php function or something, but it was simplier using str_replace() php function:

<?php
    $datosFinales = json_encode($listaDatos);
?>
{
    name: '<?php echo $nombreDato; ?>',
    yAxis: <?php echo $yAxis++; ?>,
    data: <?php echo str_replace("\"", "", $datosFinales); ?>
},

So, it is doing by itself, how can I do in order to remove those quotes. — Alejandro L.
– Alejandro L., Commented Jun 27, 2013 at 14:19
You could do a string replace in your PHP code to change each " to an empty-string. — nnnnnn
– nnnnnn, Commented Jun 27, 2013 at 14:22
possible duplicate of Prevent quoting of certain values with PHP json_encode() — Rob W
– Rob W, Commented Jun 27, 2013 at 14:23
Well JSON does not support calling methods/functions so how would it be possible to begin with? — epascarello
– epascarello, Commented Jun 27, 2013 at 14:25

Alejandro L. · Accepted Answer · 2020-08-28 13:37:48Z

0

I fixed with the @nnnnnn tip, it very simple, i was thinking about a any json php function or something, but it was simplier using str_replace() php function:

<?php
    $datosFinales = json_encode($listaDatos);
?>
{
    name: '<?php echo $nombreDato; ?>',
    yAxis: <?php echo $yAxis++; ?>,
    data: <?php echo str_replace("\"", "", $datosFinales); ?>
},

answered Aug 28, 2020 at 13:37

Alejandro L.

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