PHPからPYTHONに配列を渡してnumpy処理して結果を得る

参考
http://stackoverflow.com/questions/25845600/passing-php-array-to-python-doesnt-work

   $numbers = [1, 2, 3, 4, 5];
   $pythonScript = "./test.py";
   $cmd = array("python", $pythonScript, escapeshellarg(json_encode($numbers)));
   $cmdText = implode(' ', $cmd);

   echo "Running command: " . $cmdText . "\n";
   $result = shell_exec($cmdText);
  var_dump(json_decode($result, true));

   # -*- coding: utf-8 -*-                                                                                                                                                                                                                                                     
import numpy as np
import sys, json

try:
    data = np.array(json.loads(sys.argv[1]))
    std = np.std(data)
    avg = np.mean(data)
    min = np.min(data)
    max = np.max(data)
    result = {'std':std, 'avg':avg, 'min':min, 'max':max}

    print json.dumps(result)
except Exception as e:
    print str(e)