Apache has stopped working when running function hash()

I'm using xampp 1.8.3, apache 2.4.9, php 5.5.11, phalcon 1.3.2

This is my code that make apache stopped:

$app->get("/change-password", function () use ($app) {
    $password = $app->security->hash('123456');
    return $password;
});

Full log:

Problem Event Name: APPCRASH
  Application Name: httpd.exe
  Application Version:  2.4.9.0
  Application Timestamp:    532585f0
  Fault Module Name:    php_phalcon.dll
  Fault Module Version: 5.5.10.0
  Fault Module Timestamp:   538f7a09
  Exception Code:   c0000005
  Exception Offset: 00034e9e
  OS Version:   6.1.7600.2.0.0.256.48
  Locale ID:    1033
  Additional Information 1: 0a9e
  Additional Information 2: 0a9e372d3b4ad19135b953a78882e789
  Additional Information 3: 0a9e
  Additional Information 4: 0a9e372d3b4ad19135b953a78882e789

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