phpjs/workbench/var/var_inspect.js

php.js offers community built php functions in javascript

function var_inspect() {
  // http://kevin.vanzonneveld.net
  // +   original by: Brett Zamir (http://brett-zamir.me)
  // %          note 1: This function has not been documented yet (for PHP 6)
  // *     example 1: var_inspect('Vie\u0302\u0323t Nam');
  // *     returns 1: true

  // Incomplete (only started for Unicode)

  // see http://www.slideshare.net/manuellemos/php-for-grownups-presentation
  var ret = '', i = 0, j = 0;
  for (i = 0; i < arguments.length; i++) {
    var arg = arguments[i];
    switch (typeof arg) {
      case 'string':
        ret += 'unicode(' + arg.length + ') "' + arg + '" {'; // Make dependent on strlen if surrogate pairs treated as one here (composites as two though)
        for (j = 0; j < arg.length; j++) {
          var hex = arg[j].charCodeAt(0).toString(16); // Need to check for surrogates?
          ret += ' ' + (new Array(5 - hex.length)).join('0') + hex; // Pad up to 4 zeroes (why not 6?)
        }
        ret += ' }\n';
        break;
    }
  }
  return ret;
}