by
cartpauj
5 (1 reviews)
PHP Constants Manager
Safely manage PHP constants (defines) through the WordPress admin or WP-CLI with full CRUD functionality and comprehensive viewing capabilities.
PHP Constants Manager ranks #44,893 among WordPress.org plugins with 10+ active installations, a 5/5 rating from 1 reviews, and was last updated Aug 25, 2026. Data from WordPress.org, refreshed twice daily — see methodology.
Compatible with WP 7.1
v1.2.2
Current Version v1.2.2
Updated 3 weeks ago
Last Update on 25 Aug, 2026
Refreshed 13 hours ago
Last Refreshed on
Top 50% by installs
Actively maintained
Rank
#44,893
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Active Installs
10+
-37.5%
KW Avg Position
28
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Downloads
409
+1 today
Support Resolved
0%
—
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Rating
100%
Review 5 out of 5
5
(1 reviews)
Next Milestone 20
10+
20+
31,631
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1 reviews
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- Version
- 1.2.2
- Last Updated
- Aug 25, 2026
- Requires WP
- 5.0+
- Tested Up To
- 7.1
- PHP Version
- 7.4 or higher
- Author
- cartpauj
Support & Rating
- Rating
- ★ ★ ★ ★ ★ 5
- Reviews
- 1
- Support Threads
- 0
- Resolved
- 0%
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Frequently Asked Questions
Common questions about PHP Constants Manager
Yes! The plugin includes multiple security measures: - Only administrators can access the interface - All inputs are sanitized and validated - Nonce verification on all actions - Constants are checked before defining to prevent conflicts
"My Constants" shows only the constants you've created through this plugin, with full management capabilities. "All Constants" displays every constant defined in your WordPress installation (core, plugins, themes) for auditing and reference purposes.
The plugin checks if constants are already defined before attempting to define them. If a constant exists, it will show as "Predefined" in the list. Your definition is saved but won't take effect due to PHP's rule that constants cannot be redefined. This commonly happens with WordPress core constants or those defined in wp-config.php.
Yes! Each constant has an active/inactive toggle. Inactive constants remain in the database but aren't loaded into PHP.
By default, constants are loaded during the plugins_loaded action with priority 1, making them available to: - All theme code (themes load after plugins) - Most other plugins (unless they use higher priority) - WordPress hooks like init, wp_loaded, etc. For earlier loading, enable the "Early Loading" option in Settings, which creates a must-use plugin that loads constants before any regular plugins.
Yes! Use the "Screen Options" button in the top-right corner to: - Control how many constants are displayed per page (5, 10, 20, 50, 100+) - Show/hide specific columns in both tables - Your preferences are saved automatically
Check the "Predefined" column in "My Constants". If it shows "No" and the status is "Active", your constant is working. You can also test it in your code using defined('MY_CONSTANT').
This is a PHP limitation, not a plugin restriction. Constants cannot be redefined once set. Since WordPress core constants are defined very early (in wp-config.php or during WordPress bootstrap), they cannot be overridden by plugins.
Go to the "Import/Export" page in the plugin menu. You can export all your constants to a CSV file for backup or migration purposes. To import, upload a CSV file with the required format. The CSV must include at minimum: Name, Value, Type columns. Optional columns are Active and Description.
Your CSV should have these columns: - Name (required): Uppercase constant name, e.g., "MY_CONSTANT" - Value (required): The constant value - Type (required): One of: string, integer, float, boolean, null - Active (optional): 1 for active, 0 for inactive (defaults to 1) - Description (optional): Text description Example CSV: Name,Value,Type,Active,Description MY_API_KEY,abc123,string,1,API key for service MAX_POSTS,25,integer,1,Maximum posts per page DEBUG_MODE,true,boolean,0,Enable debug output
