get memory used in php

get_memory_used.php

<?php

/**
 * Get memory usage in megabytes.
 *
 * @return string Memory usage in the format "used/peak" where both values are in MB.
 */
function get_memory_used(): string {
    $memoryUsage = memory_get_usage() / 1024 / 1024;
    $peakMemoryUsage = memory_get_peak_usage() / 1024 / 1024;

    return round($memoryUsage, 2) . '/' . round($peakMemoryUsage, 2);
}

// Example usage
echo get_memory_used();