--TEST--
resolveSlugToFolder: resolves URL slug to actual folder name, supports metadata slug override
--FILE--
<?php
require '/var/www/app/hooks.php';
require '/var/www/app/content.php';

$parent = sys_get_temp_dir() . '/phpt_slug_' . getmypid();
mkdir($parent);

// Non-existent parent directory
echo (resolveSlugToFolder($parent . '/nope', 'anything') ?? 'null') . "\n";

// Folder name matches slug directly
mkdir("$parent/my-post");
echo resolveSlugToFolder($parent, 'my-post') . "\n";

// Slug not found
echo (resolveSlugToFolder($parent, 'missing') ?? 'null') . "\n";

// Metadata slug overrides folder name
mkdir("$parent/2024-01-15-article");
file_put_contents("$parent/2024-01-15-article/metadata.ini", "slug = article\n");
echo resolveSlugToFolder($parent, 'article') . "\n";

// Original folder name still works when no slug conflicts
echo resolveSlugToFolder($parent, '2024-01-15-article') . "\n";

// Metadata slug takes precedence over folder with that name
mkdir("$parent/other");
file_put_contents("$parent/other/metadata.ini", "slug = my-post\n");
// 'my-post' folder exists AND 'other' has slug=my-post — folder name wins (first match)
echo resolveSlugToFolder($parent, 'my-post') . "\n";

array_map('unlink', glob("$parent/2024-01-15-article/*"));
rmdir("$parent/2024-01-15-article");
array_map('unlink', glob("$parent/other/*"));
rmdir("$parent/other");
rmdir("$parent/my-post");
rmdir($parent);
?>
--EXPECT--
null
my-post
null
2024-01-15-article
2024-01-15-article
my-post