jsonpipe

#!/usr/bin/php
<?php # -*- php -*- 
#---
# PHP implementation of jsonpipe.
#
# Original implementation (in python) here: https://github.com/zacharyvoase/jsonpipe
#---

#
# Note that unlike the original implementation
# This one will not show empty arrays or objects as [] and {}
# it will skip these elements entirely
#

$stdin = file_get_contents("php://stdin");
$json_input= @json_decode($stdin,true);

if (is_null($json_input)
    && json_last_error() !== JSON_ERROR_NONE) {
  #json_decode($stdin,true); # parse again with warnings enabled to provide debug output
  exit("Invalid JSON input\n");
}


function jsonprint($json,$keypath='')
{
  switch (gettype($json))
  {
  case "integer":
  case "double":
    echo "$keypath $json\n";
    break;

  case "NULL":
    echo "$keypath null\n";
    break;

  case "boolean":
    echo "$keypath ";
    if($json)
      echo "true\n";
    else
      echo "false\n";
    break;

  case "string":
    # quote it
    echo "$keypath \"".$json."\"\n";
    break;

  default:
    # It's not a final element, recurse on it and add the key to the path
    foreach ($json as $key => $value) {
      jsonprint($value, $keypath."/".$key);
    }
  }
}

jsonprint($json_input);

#var_dump($json_input);

?>