Comprehensive configuration options control all aspects of the image monetization system.

Core Settings

Plugin Status

• smi_enabled (default: ‘1’) – Master enable/disable toggle
• Global plugin functionality control
• Emergency disable capability
• Maintenance mode support

Display Control

• smi_display_mode (default: ‘all’) – Button display mode
• Options: ‘all’, ‘exclude’, ‘include’
• Granular content targeting
• Performance optimization

Payment Configuration

Stripe Integration

• smi_stripe_test_mode (default: ‘1’) – Environment selection
• smi_stripe_test_publishable_key – Frontend test key
• smi_stripe_test_secret_key – Backend test key
• smi_stripe_live_publishable_key – Production frontend key
• smi_stripe_live_secret_key – Production backend key
• smi_stripe_webhook_secret – Webhook signature validation

Environment Management
Automatic key selection based on test mode:

$test_mode = get_option('smi_stripe_test_mode', '1');
$secret_key = $test_mode ? 
    get_option('smi_stripe_test_secret_key') : 
    get_option('smi_stripe_live_secret_key');

Service Integration

Upsampler API

• smi_upsampler_api_key – AI upscaling service authentication
• Required for image processing functionality
• Secure storage in WordPress options
• Health check validation

Cost Management

• smi_markup_percentage (default: ‘200’) – Profit margin control
• Pricing calculation multiplier
• Revenue optimization setting
• Dynamic pricing support

Download Settings

Security Configuration

• smi_download_expiry_hours (default: ’24’) – Token lifetime
• Balances security with user convenience
• Configurable per business needs
• Automatic cleanup trigger

Cleanup Configuration

• smi_failed_job_cleanup_days (default: ‘7’) – Failed job retention period
• smi_abandoned_job_cleanup_hours (default: ’24’) – Abandoned job retention period
• Daily automated cleanup removes expired resources
• Configurable retention policies for maintenance

File Management

• Download chunk size: 8192 bytes (constant)
• Secure token length: 64 characters (constant)
• Cleanup schedule configuration
• Storage path customization

Display Filtering

Content Targeting

• smi_display_mode – Display mode (‘all’, ‘exclude’, ‘include’)
• smi_filter_post_types – Post type filtering array
• smi_filter_categories – Category filtering array
• smi_filter_tags – Tag filtering array
• smi_filter_post_ids – Specific post IDs (comma-separated)

Email Configuration

Notification Settings

• smi_terms_conditions_url – Legal compliance link
• smi_contact_url (default: home_url(‘/contact’)) – Support link
• Email template customization
• Branding configuration

Constants

System Constants
Defined in Constants.php:

• UPSAMPLER_COST_PER_CREDIT (0.04) – Base processing cost
• DEFAULT_MARKUP_PERCENTAGE (200) – Default profit margin
• STRIPE_MINIMUM_PAYMENT (0.50) – Payment processor minimum
• DOWNLOAD_TOKEN_LENGTH (64) – Security token size

Resolution Configuration

• VALID_RESOLUTIONS – [‘4x’, ‘8x’] supported upscaling
• RESOLUTION_MULTIPLIERS – Scaling factors
• Extensible for additional resolutions

Default Values

Initial Configuration
All settings have sensible defaults:

const DEFAULT_OPTIONS = [
    'smi_enabled' => '1',
    'smi_stripe_test_mode' => '1',
    'smi_download_expiry_hours' => '24',
    'smi_markup_percentage' => '200',
    'smi_terms_conditions_url' => '',
    // Additional options...
];

Health Validation

Configuration Checking
Daily health checks validate:

• API key presence and validity
• Stripe configuration completeness
• WordPress environment compatibility
• Database table integrity
• SSL requirement for live payments