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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 |
|---|---|
| 4876 | * |
| 4877 | * @type callable $callback Callable exporter function that accepts an |
| 4878 | * email address and a page and returns an array |
| 4879 | * of name => value pairs of personal data. |
| 4880 | * @type string $exporter_friendly_name Translated user facing friendly name for the |
| 4881 | * exporter. |
| 4882 | * } |
| 4883 | * } |
| 4884 | */ |
| 4885 | $exporters = apply_filters( 'wp_privacy_personal_data_exporters', array() ); |
| 4886 | |
| 4887 | if ( ! is_array( $exporters ) ) { |
| 4888 | wp_send_json_error( __( 'An exporter has improperly used the registration filter.' ) ); |
| 4889 | } |
| 4890 | |
| 4891 | // Do we have any registered exporters? |
| 4892 | if ( 0 < count( $exporters ) ) { |
| 4893 | if ( $exporter_index < 1 ) { |
| 4894 | wp_send_json_error( __( 'Exporter index cannot be negative.' ) ); |