CODEWITHSUNDEEP
phparraysmultidimensional-array
Connor Gurney
Connor Gurney

Reputation: 13

Access multidimensional array with a path-like string

I have a function called get_config() and an array called $config.

I call the function by using get_config('site.name') and am looking for a way to return the value of $config so for this example, the function should return $config['site']['name'].

I'm nearly pulling my hair out - trying not to use eval()! Any ideas?

EDIT: So far I have:

function get_config($item)
{
  global $config;

  $item_config = '';
  $item_path = ''; 

  foreach(explode('.', $item) as $item_part)
  {
    $item_path .= $item."][";

    $item = $config.{rtrim($item_path, "][")};
  }

  return $item;
}

Upvotes: 1

Views: 83

Answers (3)

hek2mgl
hek2mgl

Reputation: 157927

This should work:

function get_config($config, $string) {
    $keys = explode('.', $string);
    $current = $config;
    foreach($keys as $key) {
        if(!is_array($current) || !array_key_exists($key, $current)) {
            throw new Exception('index ' . $string . ' was not found');
        }
        $current = $current[$key];
    }
    return $current;
}

Upvotes: 1

Lovy
Lovy

Reputation: 1

Inside your get_config function, you can parse the string using explode function in php

function get_config($data){
 $pieces = explode(".", $data);

 return $config[$pieces[0]][$pieces[1]];

}

Upvotes: 0

Bryan
Bryan

Reputation: 3494

you could try something like...

function get_config($item)
{
      global $config;
      return $config[{str_replace('.','][',$item)}];
}

Upvotes: 0

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