output text if DEBUG or VERBOSE constant set

debug_verbose.php

<?php
define('DEBUG', 1);
define('VERBOSE', 1);

// Output verbose message if VERBOSE constant is set
function verbose(string $message, mixed $data = ''): bool {
    if (VERBOSE && !empty($message)) {
        echo trim('[V ' . memoryUsage() . '] ' . $message) . "\n";
        if (!empty($data)) {
            print_r($data);
        }
        return true;
    }
    return false;
}

// Output debug information if DEBUG constant is set
function debug(string $message, mixed $data = ''): bool {
    if (DEBUG) {
        echo trim('[D ' . memoryUsage() . '] ' . $message) . "\n";
        if (!empty($data)) {
            print_r($data);
        }
        return true;
    }
    return false;
}

// Get memory usage in MB
function memoryUsage(): string {
    $memory = memory_get_usage();
    $peakMemory = memory_get_peak_usage();

    return sprintf(
        '%s/%s MB',
        ceil($memory / 1024 / 1024),
        ceil($peakMemory / 1024 / 1024)
    );
}

// Example usage
verbose('Test Verbose', $_ENV ?? []);
debug('Test Debug', $_ENV ?? []);

?>