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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 |
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201 |
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202 | /** |
203 | * Filters response of WP_Customize_Section::active(). |
204 | * |
205 | * @since 4.1.0 |
206 | * |
207 | * @param bool $active Whether the Customizer section is active. |
208 | * @param WP_Customize_Section $section WP_Customize_Section instance. |
209 | */ |
210 | $active = apply_filters( 'customize_section_active', $active, $section ); |
211 |
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212 | return $active; |
213 | } |
214 |
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215 | /** |
216 | * Default callback used when invoking WP_Customize_Section::active(). |
217 | * |
218 | * Subclasses can override this with their specific logic, or they may provide |
219 | * an 'active_callback' argument to the constructor. |