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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 3689 | * @return WP_Customize_Setting The instance of the setting that was added. |
| 3690 | */ |
| 3691 | public function add_setting( $id, $args = array() ) { |
| 3692 | if ( $id instanceof WP_Customize_Setting ) { |
| 3693 | $setting = $id; |
| 3694 | } else { |
| 3695 | $class = 'WP_Customize_Setting'; |
| 3696 | |
| 3697 | /** This filter is documented in wp-includes/class-wp-customize-manager.php */ |
| 3698 | $args = apply_filters( 'customize_dynamic_setting_args', $args, $id ); |
| 3699 | |
| 3700 | /** This filter is documented in wp-includes/class-wp-customize-manager.php */ |
| 3701 | $class = apply_filters( 'customize_dynamic_setting_class', $class, $id, $args ); |
| 3702 | |
| 3703 | $setting = new $class( $this, $id, $args ); |
| 3704 | } |
| 3705 | |
| 3706 | $this->settings[ $setting->id ] = $setting; |
| 3707 | return $setting; |
| Line | Code |
| 3738 | * For a dynamic setting to be registered, this filter must be employed |
| 3739 | * to override the default false value with an array of args to pass to |
| 3740 | * the WP_Customize_Setting constructor. |
| 3741 | * |
| 3742 | * @since 4.2.0 |
| 3743 | * |
| 3744 | * @param false|array $setting_args The arguments to the WP_Customize_Setting constructor. |
| 3745 | * @param string $setting_id ID for dynamic setting, usually coming from `$_POST['customized']`. |
| 3746 | */ |
| 3747 | $setting_args = apply_filters( 'customize_dynamic_setting_args', $setting_args, $setting_id ); |
| 3748 | if ( false === $setting_args ) { |
| 3749 | continue; |
| 3750 | } |
| 3751 | |
| 3752 | /** |
| 3753 | * Allow non-statically created settings to be constructed with custom WP_Customize_Setting subclass. |
| 3754 | * |
| 3755 | * @since 4.2.0 |
| 3756 | * |