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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 |
|---|---|
| 739 | * Filters a Customize setting value for use in JavaScript. |
| 740 | * |
| 741 | * The dynamic portion of the hook name, `$this->id`, refers to the setting ID. |
| 742 | * |
| 743 | * @since 3.4.0 |
| 744 | * |
| 745 | * @param mixed $value The setting value. |
| 746 | * @param WP_Customize_Setting $this WP_Customize_Setting instance. |
| 747 | */ |
| 748 | $value = apply_filters( "customize_sanitize_js_{$this->id}", $this->value(), $this ); |
| 749 | |
| 750 | if ( is_string( $value ) ) |
| 751 | return html_entity_decode( $value, ENT_QUOTES, 'UTF-8'); |
| 752 | |
| 753 | return $value; |
| 754 | } |
| 755 | |
| 756 | /** |
| 757 | * Retrieves the data to export to the client via JSON. |