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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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725 | public function wp_loaded() { |
726 |
|
727 | /** |
728 | * Fires once WordPress has loaded, allowing scripts and styles to be initialized. |
729 | * |
730 | * @since 3.4.0 |
731 | * |
732 | * @param WP_Customize_Manager $this WP_Customize_Manager instance. |
733 | */ |
734 | do_action( 'customize_register', $this ); |
735 |
|
736 | /* |
737 | * Note that settings must be previewed here even outside the customizer preview |
738 | * and also in the customizer pane itself. This is to enable loading an existing |
739 | * changeset into the customizer. Previewing the settings only has to be prevented |
740 | * in the case of a customize_save action because then update_option() |
741 | * may short-circuit because it will detect that there are no changes to |
742 | * make. |
743 | */ |