phpjs/functions/info/ini_set.js

php.js offers community built php functions in javascript

function ini_set(varname, newvalue) {
  //  discuss at: http://phpjs.org/functions/ini_set/
  // original by: Brett Zamir (http://brett-zamir.me)
  //        note: This will not set a global_value or access level for the ini item
  //   example 1: ini_set('date.timezone', 'Asia/Hong_Kong');
  //   example 1: ini_set('date.timezone', 'America/Chicago');
  //   returns 1: 'Asia/Hong_Kong'

  var oldval = '';
  var self = this;

  try {
    this.php_js = this.php_js || {};
  } catch (e) {
    this.php_js = {};
  }

  this.php_js.ini = this.php_js.ini || {};
  this.php_js.ini[varname] = this.php_js.ini[varname] || {};

  oldval = this.php_js.ini[varname].local_value;

  var _setArr = function(oldval) {
    // Although these are set individually, they are all accumulated
    if (typeof oldval === 'undefined') {
      self.php_js.ini[varname].local_value = [];
    }
    self.php_js.ini[varname].local_value.push(newvalue);
  };

  switch (varname) {
    case 'extension':
      if (typeof this.dl === 'function') {
        // This function is only experimental in php.js
        this.dl(newvalue);
      }
      _setArr(oldval, newvalue);
      break;
    default:
      this.php_js.ini[varname].local_value = newvalue;
      break;
  }

  return oldval;
}