nutools/lib/ulib/support/php/json_get.php

#!/usr/bin/php
<?php # -*- coding: utf-8 mode: php -*- vim:sw=2:sts=2:et:ai:si:sta:fenc=utf-8

if ($argc <= 1) die("ERROR: Vous devez spécifier le nom de la clé\n");

$argindex = 1;
$arg = $argv[1];
$sep = "\t";
if ($arg == "-s") {
  $sep = $argv[2];
  $argindex += 2;
} elseif (substr($arg, 0, 2) == "-s") {
  $sep = substr($arg, 2);
  $argindex++;
}

$datum = json_decode(stream_get_contents(STDIN), true);

$first = true;
for ($i = $argindex; $i < $argc; $i++) {
  $result = $datum;
  $keys = explode(".", trim($argv[$i]));
  foreach ($keys as $key) {
    if ($result === null) break;
    if ($key === "") continue;
    if (isset($result[$key])) {
      $result = $result[$key];
    } else {
      $result = null;
    }
  }

  if ($first) $first = false;
  else echo $sep;
  if (is_array($result)) var_export($result);
  else echo $result;
}
echo "\n";