phpjs/workbench/mail/ezmlm_hash.js

php.js offers community built php functions in javascript

function ezmlm_hash(address) {
  // http://kevin.vanzonneveld.net
  // +   original by: Brett Zamir (http://brett-zamir.me)
  // *     example 1: ezmlm_hash('brettz');
  // *     returns 1: 50

  // Isn't working with larger strings (e.g., 'brettz9')

  // h is int,
  var h = 5381, j = 0, str_len = 0;
  for (j = 0, str_len = address.length; j < str_len; j++) {
    h = ((h + (h << 5)) ^ ((((Math.abs(address.charAt(j).toLowerCase().charCodeAt(0))) % 255) % 4294967296)));
  }
  return (h % 53) % 65535;
}