I'm trying to convert an old HTML Site to a new CMS. To get the correct menu hierachy (with varying depth) I want to read all the files with PHP and extract/parse the menu (nested unordered lists) into an associative array
root.html
<ul id="menu">
<li class="active">Start</li>
<ul>
<li><a href="file1.html">Sub1</a></li>
<li><a href="file2.html">Sub2</a></li>
</ul>
</ul>
file1.html
<ul id="menu">
<li><a href="root.html">Start</a></li>
<ul>
<li class="active">Sub1</li>
<ul>
<li><a href="file3.html">SubSub1</a></li>
<li><a href="file4.html">SubSub2</a></li>
<li><a href="file5.html">SubSub3</a></li>
<li><a href="file6.html">SubSub4</a></li>
</ul>
</ul>
</ul>
file3.html
<ul id="menu">
<li><a href="root.html">Start</a></li>
<ul>
<li><a href="file1.html">Sub1</a></li>
<ul>
<li class="active">SubSub1</li>
<ul>
<li><a href="file7.html">SubSubSub1</a></li>
<li><a href="file8.html">SubSubSub2</a></li>
<li><a href="file9.html">SubSubSub3</a></li>
</ul>
</ul>
</ul>
</ul>
file4.html
<ul id="menu">
<li><a href="root.html">Start</a></li>
<ul>
<li><a href="file1.html">Sub1</a></li>
<ul>
<li><a href="file3.html">SubSub1</a></li>
<li class="active">SubSub2</li>
<li><a href="file5.html">SubSub3</a></li>
<li><a href="file6.html">SubSub4</a></li>
</ul>
</ul>
</ul>
I would like to loop through all files, extract 'id="menu"' and create an array like this (or similar) while keeping the hierarchy and file information
Array
[file] => root.html
[child] => Array
[Sub1] => Array
[file] => file1.html
[child] => Array
[SubSub1] => Array
[file] => file3.html
[child] => Array
[SubSubSub1] => Array
[file] => file7.html
[SubSubSub2] => Array
[file] => file8.html
[SubSubSub3] => Array
[file] => file9.html
[SubSub2] => Array
[file] => file4.html
[SubSub3] => Array
[file] => file5.html
[SubSub4] => Array
[file] => file6.html
[Sub2] => Array
[file] => file2.html
With the help of the PHP Simple HTML DOM Parser libray I successfully read the file and extracted the menu
$html = file_get_html($file);
foreach ($html->find("ul[id=menu]") as $ul) {
..
}
To only parse the active section of the menu (leaving out the links to got 1 or more levels up) I used
$ul->find("ul",-1)
which finds the last ul inside the outer ul. This works great for a single file.
But I'm having trouble to loop through all the files/menus and keep the parent/child information because each menu has a different depth.
Thanks for all suggestions, tips and help!