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System Logs viewer

Updated on July 30, 2026

Tier 1 (Plus) and Tier 2 (Pro) include SignalPress → System Logs — a wp-admin viewer for the site’s PHP error log without SSH or hosting file managers.

Requires View System Logs permission. Clear logs requires the separate Clear logs capability — Permissions and Access.

On Tier 0 (Free), the menu item is hidden.

Open System Logs

  1. In wp-admin, click SignalPress → System Logs in the left menu.
  2. The page loads the most recent entries (newest first, up to 2,000 parsed rows).

If the log file is missing or unreadable, the UI explains which path was tried and common fixes (WP_DEBUG_LOG, file permissions).

Which file is read

SignalPress resolves the log path in this order:

  1. WP_DEBUG_LOG when defined and truthy (boolean true uses wp-content/debug.log)
  2. PHP error_log ini value when it points to a readable file
  3. Fallback: wp-content/debug.log

Enable logging in wp-config.php for consistent results:

PHP

define( 'WP_DEBUG', true );
define( 'WP_DEBUG_LOG', true );
define( 'WP_DEBUG_DISPLAY', false );

What you see

Each row typically includes:

  • Timestamp
  • Severity / level when parseable
  • Message text
  • Source file and line when present in the log format

The viewer parses common WordPress and PHP log line formats. Highly custom log formats may show as plain text.

Clear logs

Users with Clear logs see a Clear log control. Clearing truncates the resolved log file when it lives under wp-content and is writable.

Clearing does not disable logging or remove archives outside that path.

Permissions by tier

TierWho can view / clear
0Feature unavailable
1Administrators (built-in caps)
2Configurable per role — Debugging tab permission matrix

vs other debugging tools

ToolBest for
System LogsHistorical PHP errors, warnings, notices
Automatic error monitoringForward errors to integrations as events
Pro / basic sp()Live inspection during development
Per-service PHP error log toggleIntegration-specific diagnostic lines (Tier 1+, service Settings)