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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 |
|---|---|
| 4972 | * @type callable $callback Callable eraser that accepts an email address and |
| 4973 | * a page and returns an array with boolean values for |
| 4974 | * whether items were removed or retained and any messages |
| 4975 | * from the eraser, as well as if additional pages are |
| 4976 | * available. |
| 4977 | * @type string $exporter_friendly_name Translated user facing friendly name for the eraser. |
| 4978 | * } |
| 4979 | * } |
| 4980 | */ |
| 4981 | $erasers = apply_filters( 'wp_privacy_personal_data_erasers', array() ); |
| 4982 | |
| 4983 | // Do we have any registered erasers? |
| 4984 | if ( 0 < count( $erasers ) ) { |
| 4985 | |
| 4986 | if ( $eraser_index < 1 ) { |
| 4987 | wp_send_json_error( __( 'Eraser index cannot be less than one.' ) ); |
| 4988 | } |
| 4989 | |
| 4990 | if ( $eraser_index > count( $erasers ) ) { |