<?php
/**
 * Simple upload test script
 */

header('Content-Type: application/json');

$debug = [
    'php_version' => PHP_VERSION,
    'post_keys' => array_keys($_POST),
    'files_keys' => array_keys($_FILES),
    'files_raw' => $_FILES,
    'server_content_length' => $_SERVER['CONTENT_LENGTH'] ?? 'not set',
    'server_content_type' => $_SERVER['CONTENT_TYPE'] ?? 'not set',
    'php_limits' => [
        'upload_max_filesize' => ini_get('upload_max_filesize'),
        'post_max_size' => ini_get('post_max_size'),
        'max_execution_time' => ini_get('max_execution_time'),
        'max_input_time' => ini_get('max_input_time'),
    ],
    'tmp_dir' => sys_get_temp_dir(),
    'tmp_writable' => is_writable(sys_get_temp_dir()),
];

echo json_encode($debug, JSON_PRETTY_PRINT);