phpjs/_octopress/source/functions/func_get_arg/index.markdown

php.js offers community built php functions in javascript

---
layout: page
title: "JavaScript func_get_arg function"
comments: true
sharing: true
footer: true
alias:
- /functions/view/func_get_arg:405
- /functions/view/func_get_arg
- /functions/view/405
- /functions/func_get_arg:405
- /functions/405
---
<!-- Generated by Rakefile:build -->
A JavaScript equivalent of PHP's func_get_arg

{% codeblock funchand/func_get_arg.js lang:js https://raw.github.com/kvz/phpjs/master/functions/funchand/func_get_arg.js raw on github %}
function func_get_arg (num) {
  // http://kevin.vanzonneveld.net
  // +   original by: Brett Zamir (http://brett-zamir.me)
  // %        note 1: May not work in all JS implementations
  // *     example 1: function tmp_a() {return func_get_arg(1);}
  // *     example 1: tmp_a('a', 'b');
  // *     returns 1: 'a'
  if (!arguments.callee.caller) {
    try {
      throw new Error('Either you are using this in a browser which does not support the "caller" property or you are calling this from a global context');
      //return false;
    } catch (e) {
      return false;
    }
  }

  if (num > arguments.callee.caller.arguments.length - 1) {
    try {
      throw new Error('Argument number is greater than the number of arguments actually passed');
      //return false;
    } catch (e2) {
      return false;
    }
  }

  return arguments.callee.caller.arguments[num];
}
{% endcodeblock %}

 - [view on github](https://github.com/kvz/phpjs/blob/master/functions/funchand/func_get_arg.js)
 - [edit on github](https://github.com/kvz/phpjs/edit/master/functions/funchand/func_get_arg.js)

### Example 1
This code
{% codeblock lang:js example %}
function tmp_a() {return func_get_arg(1);}
tmp_a('a', 'b');
{% endcodeblock %}

Should return
{% codeblock lang:js returns %}
'a'
{% endcodeblock %}


### Other PHP functions in the funchand extension
{% render_partial _includes/custom/funchand.html %}