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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 197 | |
| 198 | /** |
| 199 | * Filter response of WP_Customize_Control::active(). |
| 200 | * |
| 201 | * @since 4.0.0 |
| 202 | * |
| 203 | * @param bool $active Whether the Customizer control is active. |
| 204 | * @param WP_Customize_Control $control WP_Customize_Control instance. |
| 205 | */ |
| 206 | $active = apply_filters( 'customize_control_active', $active, $control ); |
| 207 | |
| 208 | return $active; |
| 209 | } |
| 210 | |
| 211 | /** |
| 212 | * Default callback used when invoking WP_Customize_Control::active(). |
| 213 | * |
| 214 | * Subclasses can override this with their specific logic, or they may |
| 215 | * provide an 'active_callback' argument to the constructor. |