/** * Calculates current PHP memory usage relative to current ini memory_limit. * * @return array Memory stats containing current bytes, limit bytes, and usage percentage. */ function devdeck_get_php_memory_metrics() { $memory_limit_raw = ini_get('memory_limit'); $usage_bytes = memory_get_usage(true); // Total memory allocated from system if ($memory_limit_raw === '-1') { return [ 'used_bytes' => $usage_bytes, 'limit_bytes' => -1, 'memory_usage_pct' => 0, ]; } $limit_bytes = devdeck_convert_hr_to_bytes($memory_limit_raw); $usage_pct = ($limit_bytes > 0) ? round(($usage_bytes / $limit_bytes) * 100, 2) : 0; return [ 'used_bytes' => $usage_bytes, 'limit_bytes' => $limit_bytes, 'memory_usage_pct' => $usage_pct, ]; } /** * Helper to convert shorthand memory notation (e.g. '256M', '1G') to bytes. */ function devdeck_convert_hr_to_bytes($value) { $value = trim($value); $unit = strtolower(substr($value, -1)); $bytes = (int) $value; switch ($unit) { case 'g': $bytes *= 1024; // fallthrough case 'm': $bytes *= 1024; // fallthrough case 'k': $bytes *= 1024; break; } return $bytes; } MkM