function json_format in Ultimate Cron 7.2

Format a flat JSON string to make it more human-readable

Parameters

string $json The original JSON string to process: When the input is not a string it is assumed the input is RAW and should be converted to JSON first of all.

Return value

string Indented version of the original JSON string

2 calls to json_format()

drush_ultimate_cron_cron_job_get in ./ultimate_cron.drush.inc

Get a cron jobs configuration.

drush_ultimate_cron_cron_job_set in ./ultimate_cron.drush.inc

Set a cron jobs configuration.

File

includes/nicejson.php, line 14

Code

function json_format($json) {
  if (!is_string($json)) {
    if (phpversion() && phpversion() >= 5.4) {
      return json_encode($json, JSON_PRETTY_PRINT);
    }
    $json = json_encode($json);
  }
  $result = '';
  $pos = 0;

  // indentation level
  $strLen = strlen($json);
  $indentStr = "\t";
  $newLine = "\n";
  $prevChar = '';
  $outOfQuotes = true;
  for ($i = 0; $i < $strLen; $i++) {

    // Grab the next character in the string
    $char = substr($json, $i, 1);

    // Are we inside a quoted string?
    if ($char == '"' && $prevChar != '\\') {
      $outOfQuotes = !$outOfQuotes;
    }
    else {
      if (($char == '}' || $char == ']') && $outOfQuotes) {
        $result .= $newLine;
        $pos--;
        for ($j = 0; $j < $pos; $j++) {
          $result .= $indentStr;
        }
      }
      else {
        if ($outOfQuotes && false !== strpos(" \t\r\n", $char)) {
          continue;
        }
      }
    }

    // Add the character to the result string
    $result .= $char;

    // always add a space after a field colon:
    if ($char == ':' && $outOfQuotes) {
      $result .= ' ';
    }

    // If the last character was the beginning of an element,
    // output a new line and indent the next line
    if (($char == ',' || $char == '{' || $char == '[') && $outOfQuotes) {
      $result .= $newLine;
      if ($char == '{' || $char == '[') {
        $pos++;
      }
      for ($j = 0; $j < $pos; $j++) {
        $result .= $indentStr;
      }
    }
    $prevChar = $char;
  }
  return $result;
}