# 404-solution/trunk/includes/view-build/ViewReadRuntimeState.php

404 Solution, version trunk. 42 lines.

- Page: https://pluginprobe.com/plugins/404-solution/trunk/code/includes/view-build/ViewReadRuntimeState.php
- Raw: https://pluginprobe.com/plugins/404-solution/trunk/raw/includes/view-build/ViewReadRuntimeState.php
- Modified: 2026-08-15T04:26:02+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/404-solution/trunk/code/includes/view-build/ViewReadRuntimeState.php#L10-L20`.

```php
<?php

if (!defined('ABSPATH')) {
    exit;
}

/**
 * Runtime-only flags and cache constants for the admin view-read path.
 */
final class ABJ_404_Solution_ViewReadRuntimeState {

    const CACHE_KEY_REDIRECT_STATUS = 'abj404_redirect_status_counts';
    const CACHE_KEY_CAPTURED_STATUS = 'abj404_captured_status_counts';
    const CACHE_KEY_REDIRECT_STATUS_LAST_KNOWN = 'abj404_redirect_status_counts_last_known';
    const CACHE_KEY_CAPTURED_STATUS_LAST_KNOWN = 'abj404_captured_status_counts_last_known';
    const CACHE_KEY_HIGH_IMPACT_CAPTURED = 'abj404_high_impact_captured';
    const CACHE_KEY_HIGH_IMPACT_CAPTURED_LAST_KNOWN = 'abj404_high_impact_captured_last_known';
    const STATUS_CACHE_TTL = 86400;
    const STATUS_LAST_KNOWN_CACHE_TTL = 2592000;
    const VIEW_SNAPSHOT_CACHE_TTL_SECONDS = 120;
    const VIEW_SNAPSHOT_REFRESH_COOLDOWN_SECONDS = 30;
    const VIEW_SNAPSHOT_WARMUP_STAGE_TIMEOUT_SECONDS = 28;
    const VIEW_SNAPSHOT_WARMUP_STALE_SECONDS = 35;
    const VIEW_SNAPSHOT_WARMUP_MAX_ATTEMPTS = 3;
    const VIEW_SNAPSHOT_MAX_PAYLOAD_BYTES = 2097152;
    const LOGS_COUNT_CACHE_TTL_SECONDS = 60;

    /**
     * Debounce window for the high-frequency captured-insert path. A busy 404
     * site captures continuously; invalidating the captured status-count cache
     * on every insert keeps the SUM(CASE) aggregate permanently cold (report.md
     * Finding 4). A captured insert clears the captured cache at most once per
     * this window; the count is therefore at most this many seconds stale.
     * Matched to the view-snapshot refresh cooldown / client detect-poll cadence.
     */
    const CACHE_KEY_CAPTURED_COUNT_INVALIDATE_COOLDOWN = 'abj404_captured_count_invalidate_cooldown';
    const CAPTURED_COUNT_INVALIDATE_COOLDOWN_SECONDS = 30;

    /** @var bool Per-request bulk mutation deferral flag. */
    public static $bulkMutationInProgress = false;
}

```