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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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342 | * in a theme. |
343 | * |
344 | * @since 4.4.0 |
345 | * |
346 | * @see WP_Customize_Manager::__construct() |
347 | * |
348 | * @param string[] $components Array of core components to load. |
349 | * @param WP_Customize_Manager $manager WP_Customize_Manager instance. |
350 | */ |
351 | $components = apply_filters( 'customize_loaded_components', $this->components, $this ); |
352 |
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353 | require_once ABSPATH . WPINC . '/customize/class-wp-customize-selective-refresh.php'; |
354 | $this->selective_refresh = new WP_Customize_Selective_Refresh( $this ); |
355 |
|
356 | if ( in_array( 'widgets', $components, true ) ) { |
357 | require_once ABSPATH . WPINC . '/class-wp-customize-widgets.php'; |
358 | $this->widgets = new WP_Customize_Widgets( $this ); |
359 | } |
360 |
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