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---
title: Genesis Constants
menuTitle: Constants
layout: layouts/base.njk
permalink: developer-features/constants/index.html
tags: docs
---
## Directory and URL constants
These constants are available to child theme developers for convenience and performance:
<table>
<tr>
<th>Constant</th>
<th>Equivalent</th>
</tr>
<tr>
<td><code>PARENT_DIR</code></td>
<td><a href="https://codex.wordpress.org/Function_Reference/get_template_directory"><code>get_template_directory()</code></a></td>
</tr>
<tr>
<td><code>CHILD_DIR</code></td>
<td><a href="https://codex.wordpress.org/Function_Reference/get_stylesheet_directory"><code>get_stylesheet_directory()</code></a></td>
</tr>
<tr>
<td><code>PARENT_URL</code></td>
<td><a href="https://codex.wordpress.org/Function_Reference/get_template_directory_uri"><code>get_template_directory_uri()</code></a></td>
</tr>
<tr>
<td><code>CHILD_URL</code></td>
<td><a href="https://codex.wordpress.org/Function_Reference/get_stylesheet_directory_uri"><code>get_stylesheet_directory_uri()</code></a></td>
</tr>
</table>
You can use the code in the *Constant* column wherever you might use the code in the *Equivalent* column in your child theme. So instead of:
```php
wp_enqueue_script(
'custom-theme',
get_stylesheet_directory_uri() . '/js/custom-theme.js',
array( 'jquery' ),
wp_get_theme()->get( 'Version' ),
true
);
```
You can do this for brevity and to avoid an additional function call:
```php
wp_enqueue_script(
'custom-theme',
CHILD_URL . '/js/custom-theme.js', // <-- Constant used here.
array( 'jquery' ),
wp_get_theme()->get( 'Version' ),
true
);
```
## Additional constants
Genesis uses additional constants that are mostly useful for those contributing to Genesis itself:
<table>
<tr>
<th>Constant</th>
<th>Example Values</th>
</tr>
<tr>
<td><code>PARENT_THEME_NAME</code></td>
<td>Genesis</td>
</tr>
<tr>
<td><code>PARENT_THEME_VERSION</code></td>
<td>2.8.0, 2.8.0-beta2</td>
</tr>
<tr>
<td><code>PARENT_THEME_BRANCH</code></td>
<td>2.8</td>
</tr>
<tr>
<td><code>GENESIS_IMAGES_URL</code></td>
<td>https://example.com/wp-content/themes/genesis/images</td>
</tr>
<tr>
<td><code>GENESIS_ADMIN_IMAGES_URL</code></td>
<td>https://example.com/wp-content/themes/genesis/lib/admin/images</td>
</tr>
<tr>
<td><code>GENESIS_CSS_URL</code></td>
<td>https://example.com/wp-content/themes/genesis/lib/css</td>
</tr>
<tr>
<td><code>GENESIS_VIEWS_DIR</code></td>
<td>/path/to/site/wp-content/themes/genesis/lib/views</td>
</tr>
<tr>
<td><code>GENESIS_CONFIG_DIR</code></td>
<td>/path/to/site/wp-content/themes/genesis/config</td>
</tr>
<tr>
<td><code>GENESIS_SETTINGS_FIELD</code></td>
<td>genesis-settings</td>
</tr>
<tr>
<td><code>GENESIS_SEO_SETTINGS_FIELD</code></td>
<td>genesis-seo-settings</td>
</tr>
<tr>
<td><code>GENESIS_CPT_ARCHIVE_SETTINGS_FIELD_PREFIX</code></td>
<td>genesis-cpt-archive-settings-</td>
</tr>
</table>
### Testing for Genesis features
It is generally better to test for a specific function or class rather than using the Genesis version constants. We recommend this:
```php
if ( function_exists( 'genesis_get_config' ) ) {
// `genesis_get_config()` exists and is safe to use.
}
```
Over comparisons like this:
```php
if ( version_compare( PARENT_THEME_VERSION, '2.8.0', '>=' ) ) {
// Genesis version is 2.8.0 or higher.
}
```
Checking for the function by name ensures your code will not throw a fatal error if that function is deprecated and removed in a future version of Genesis.