<?php
//$message = "Started";
//echo "<script type='text/javascript'>alert('$message');</script>";
include 'wp-load.php';

$thearray = [];
$terms = get_terms("pa_mymelp");
foreach ( $terms as $term ) {
$categories =  $term->name;
array_push($thearray, $categories);
}

$categoryLines = $thearray;

function buildCategoryTree($categoryLines, $separator) {
    $catTree = array();
    foreach ($categoryLines as $catLine) {
       $path = explode($separator, $catLine);
       $node = & $catTree;
       foreach ($path as $cat) {
           $cat = trim($cat);
           if (!isset($node[$cat])) {
               $node[$cat] = array();
           }
           $node = & $node[$cat];
       }
    }
    return $catTree;
}

function displayCategoryTree($categoryTree, $indent = '') {
    foreach ($categoryTree as $node => $children) {
        echo $indent . $node . "\n";
        displayCategoryTree($children, $indent . '|- ');
    }
}

$categoryTree = buildCategoryTree($categoryLines, '/');

function displayHtmlCategoryTree($categoryTree, $id = null, $pathSeparator = '/', $parents = '', $display = 'block') {
    if (empty($categoryTree)) return '';

    $str = '<ul' . (!empty($id) ? ' id="'.$id.'"' : '') . '>';
    foreach ($categoryTree as $node => $children) {
        $currentPath = $parents . (empty($parents) ? '' : $pathSeparator) . $node;
		$thelink = '';
		$opener = 0;
        if (substr_count($currentPath, '/')==5){
		$patterns = array(" ", "/", ".");
		$thelink = 'http://caap.co.nz/?pa_mymelp=' . strtolower(str_replace($patterns, '-', $currentPath));
		$str .= '<li id="' . $currentPath . '-li" title="' . $currentPath . '">' . '<input value ="0" class="first" type="checkbox" id="' . $currentPath . '">' . '<label  for="' . $currentPath . '">' . '<a href="' . $thelink .'">' . $node . '</a></label>' .
        /*displayHtmlCategoryTree($children, null, $pathSeparator, $currentPath) .
        */'</li>';}
		else
		{
		$cat = [];

		if (isset($_POST['catID'])){
			$cat = $_POST['catID'];
		}

		$str .= '<li id="' . $currentPath . '-li" style="display:' . $display . ';"title="' . $currentPath . '">' . '<input value="0" class="first" type="checkbox" id="' . $currentPath . '">' . '<label for="' . $currentPath . '">' . $node . '</label>';

		if(in_array($currentPath, $cat)){$str.=displayHtmlCategoryTree($children, $currentPath, $pathSeparator, $currentPath, 'block');}


		}


		}

    $str .= '</li></ul>';
    return $str;
}
	echo displayHtmlCategoryTree($categoryTree, "CategoryTree", '/');
	//return $tested;
	//echo 'Hi There!'

?>