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Pretty-Printing JSON with PHP

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一向
一向 2020-11-22 02:03

I\'m building a PHP script that feeds JSON data to another script. My script builds data into a large associative array, and then outputs the data using json_encode

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  • 甜味超标
    2020-11-22 02:53

    best way to format JSON data is like this!

    header('Content-type: application/json; charset=UTF-8');
echo json_encode($response, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);

    Replace $response with your Data which is required to be converted to JSON

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  • 栀梦
    2020-11-22 02:54

    Have color full output: Tiny Solution

    Code:

    $s = '{"access": {"token": {"issued_at": "2008-08-16T14:10:31.309353", "expires": "2008-08-17T14:10:31Z", "id": "MIICQgYJKoZIhvcIegeyJpc3N1ZWRfYXQiOiAi"}, "serviceCatalog": [], "user": {"username": "ajay", "roles_links": [], "id": "16452ca89", "roles": [], "name": "ajay"}}}';

$crl = 0;
$ss = false;
echo "<pre>";
for($c=0; $c<strlen($s); $c++)
{
    if ( $s[$c] == '}' || $s[$c] == ']' )
    {
        $crl--;
        echo "\n";
        echo str_repeat(' ', ($crl*2));
    }
    if ( $s[$c] == '"' && ($s[$c-1] == ',' || $s[$c-2] == ',') )
    {
        echo "\n";
        echo str_repeat(' ', ($crl*2));
    }
    if ( $s[$c] == '"' && !$ss )
    {
        if ( $s[$c-1] == ':' || $s[$c-2] == ':' )
            echo '<span style="color:#0000ff;">';
        else
            echo '<span style="color:#ff0000;">';
    }
    echo $s[$c];
    if ( $s[$c] == '"' && $ss )
        echo '</span>';
    if ( $s[$c] == '"' )
          $ss = !$ss;
    if ( $s[$c] == '{' || $s[$c] == '[' )
    {
        $crl++;
        echo "\n";
        echo str_repeat(' ', ($crl*2));
    }
}
echo $s[$c];
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  • [愿得一人]
    2020-11-22 02:55

    Use <pre> in combination with json_encode() and the JSON_PRETTY_PRINT option:

    <pre>
    <?php
    echo json_encode($dataArray, JSON_PRETTY_PRINT);
    ?>
</pre>
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  • 一向
    2020-11-22 02:56

    If you have existing JSON ($ugly_json)

    echo nl2br(str_replace(' ', '&nbsp;', (json_encode(json_decode($ugly_json), JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES))));
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  • 一生所求
    2020-11-22 02:57

    You could do it like below.

    $array = array(
   "a" => "apple",
   "b" => "banana",
   "c" => "catnip"
);

foreach ($array as $a_key => $a_val) {
   $json .= "\"{$a_key}\" : \"{$a_val}\",\n";
}

header('Content-Type: application/json');
echo "{\n"  .rtrim($json, ",\n") . "\n}";

    Above would output kind of like Facebook.

    {
"a" : "apple",
"b" : "banana",
"c" : "catnip"
}
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  • 闹比i
    2020-11-22 02:59

    The following is what worked for me:

    Contents of test.php:

    <html>
<body>
Testing JSON array output
  <pre>
  <?php
  $data = array('a'=>'apple', 'b'=>'banana', 'c'=>'catnip');
  // encode in json format 
  $data = json_encode($data);

  // json as single line
  echo "</br>Json as single line </br>";
  echo $data;
  // json as an array, formatted nicely
  echo "</br>Json as multiline array </br>";
  print_r(json_decode($data, true));
  ?>
  </pre>
</body>
</html>

    output:

    Testing JSON array output


Json as single line 
{"a":"apple","b":"banana","c":"catnip"}
Json as multiline array 
Array
(
    [a] => apple
    [b] => banana
    [c] => catnip
)

    Also note the use of "pre" tag in html.

    Hope that helps someone

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