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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 |
|---|---|
| 236 | |
| 237 | /** |
| 238 | * Filter response of WP_Customize_Control::active(). |
| 239 | * |
| 240 | * @since 4.0.0 |
| 241 | * |
| 242 | * @param bool $active Whether the Customizer control is active. |
| 243 | * @param WP_Customize_Control $control WP_Customize_Control instance. |
| 244 | */ |
| 245 | $active = apply_filters( 'customize_control_active', $active, $control ); |
| 246 | |
| 247 | return $active; |
| 248 | } |
| 249 | |
| 250 | /** |
| 251 | * Default callback used when invoking WP_Customize_Control::active(). |
| 252 | * |
| 253 | * Subclasses can override this with their specific logic, or they may |
| 254 | * provide an 'active_callback' argument to the constructor. |