is_active_sidebar
Filter HookDescription
Filters whether a dynamic sidebar is considered "active".Hook Information
| File Location | 
                                wp-includes/widgets.php
                                
                                    View on GitHub
                                
                             | 
                        
| Hook Type | Filter | 
| Line Number | 997 | 
                        
Hook Parameters
| Type | Name | Description | 
|---|---|---|
                                    bool
                                 | 
                                
                                    $is_active_sidebar
                                 | 
                                Whether or not the sidebar should be considered "active". In other words, whether the sidebar contains any widgets. | 
                                    int|string
                                 | 
                                
                                    $index
                                 | 
                                Index, name, or ID of the dynamic sidebar. | 
Usage Examples
                        Basic Usage
                    
                    <?php
// Hook into is_active_sidebar
add_filter('is_active_sidebar', 'my_custom_filter', 10, 2);
function my_custom_filter($is_active_sidebar, $index) {
    // Your custom filtering logic here
    return $is_active_sidebar;
}
                        
                    Source Code Context
                        wp-includes/widgets.php:997
                        - How this hook is used in WordPress core
                    
                    <?php
 992  	 *
 993  	 * @param bool       $is_active_sidebar Whether or not the sidebar should be considered "active".
 994  	 *                                      In other words, whether the sidebar contains any widgets.
 995  	 * @param int|string $index             Index, name, or ID of the dynamic sidebar.
 996  	 */
 997  	return apply_filters( 'is_active_sidebar', $is_active_sidebar, $index );
 998  }
 999  
1000  //
1001  // Internal Functions.
1002  //
                    PHP Documentation
<?php
/**
	 * Filters whether a dynamic sidebar is considered "active".
	 *
	 * @since 3.9.0
	 *
	 * @param bool       $is_active_sidebar Whether or not the sidebar should be considered "active".
	 *                                      In other words, whether the sidebar contains any widgets.
	 * @param int|string $index             Index, name, or ID of the dynamic sidebar.
	 */
                
            
                        Quick Info
                    
                    - Hook Type: Filter
 - Parameters: 2
 - File: wp-includes/widgets.php
 
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