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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 |
---|---|
4804 | * |
4805 | * @type callable $callback Callable exporter function that accepts an |
4806 | * email address and a page and returns an array |
4807 | * of name => value pairs of personal data. |
4808 | * @type string $exporter_friendly_name Translated user facing friendly name for the |
4809 | * exporter. |
4810 | * } |
4811 | * } |
4812 | */ |
4813 | $exporters = apply_filters( 'wp_privacy_personal_data_exporters', array() ); |
4814 |
|
4815 | if ( ! is_array( $exporters ) ) { |
4816 | wp_send_json_error( __( 'An exporter has improperly used the registration filter.' ) ); |
4817 | } |
4818 |
|
4819 | // Do we have any registered exporters? |
4820 | if ( 0 < count( $exporters ) ) { |
4821 | if ( $exporter_index < 1 ) { |
4822 | wp_send_json_error( __( 'Exporter index cannot be negative.' ) ); |