locutus/php/funchand/call_user_func.js

Locutus other languages' standard libraries to JavaScript for fun and educational purposes

'use strict';

module.exports = function call_user_func(cb, parameters) {
  // eslint-disable-line camelcase
  //  discuss at: https://locutus.io/php/call_user_func/
  // original by: Brett Zamir (https://brett-zamir.me)
  // improved by: Diplom@t (https://difane.com/)
  // improved by: Brett Zamir (https://brett-zamir.me)
  //      note 1: Depends on call_user_func_array which in turn depends on the `cb` that is passed,
  //      note 1: this function can use `eval`.
  //      note 1: The `eval` input is however checked to only allow valid function names,
  //      note 1: So it should not be unsafer than uses without eval (seeing as you can)
  //      note 1: already pass any function to be executed here.
  //   example 1: call_user_func('isNaN', 'a')
  //   returns 1: true

  var callUserFuncArray = require('../funchand/call_user_func_array');
  parameters = Array.prototype.slice.call(arguments, 1);
  return callUserFuncArray(cb, parameters);
};
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