Convert Zip Structure to Associative Array using PHP

convert-zip-structure-to-associative-array.php

<?php
/**
 * Borrowed from https://stackoverflow.com/a/38407568/1994640
 * 
 * Fixed fatal errors and unwanted creation of empty arrays
 */
$filePath = 'hello.zip';
$za = new ZipArchive();

if ($za->open($filePath) !== true) { // check for the zip archive
    echo "archive doesn't exist or it's on Read-only mode ";
    return;
}

$Tree = $pathArray = array(); //empty arrays

for ($i = 0; $i < $za->numFiles; $i++) {

    $path = $za->getNameIndex($i);
    $pathBySlash = array_values(explode('/', $path));
    $c = count($pathBySlash);
    $temp = &$Tree;
    for ($j = 0; $j < $c - 1; $j++){
        if (isset($temp[$pathBySlash[$j]]))
            $temp = &$temp[$pathBySlash[$j]];
        else {
            $temp[$pathBySlash[$j]] = array();
            $temp = &$temp[$pathBySlash[$j]];
        }
        if (substr($path, -1) != '/') {
            $temp[] = $pathBySlash[$c - 1];
        }
    }
}

$za->close();
echo "<pre>";
print_r($Tree);
echo "</pre>";