title: Convert dot syntax like "this.that.other" to multi-dimensional array in PHP
body: <p>Just as the title implies, I am trying to create a parser and trying to find the optimal solution to convert something from dot namespace into a multidimensional array such that</p>
  
  <pre><code>s1.t1.column.1 = size:33%
  </code></pre>
  
  <p>would be the same as</p>
  
  <pre><code>$source['s1']['t1']['column']['1'] = 'size:33%';
  </code></pre>