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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 |
|---|---|
| 924 | /** |
| 925 | * Filters whether to send an email following an automatic background plugin update. |
| 926 | * |
| 927 | * @since 5.5.0 |
| 928 | * @since 5.5.1 Added the `$update_results` parameter. |
| 929 | * |
| 930 | * @param bool $enabled True if plugin update notifications are enabled, false otherwise. |
| 931 | * @param array $update_results The results of plugins update tasks. |
| 932 | */ |
| 933 | $notifications_enabled = apply_filters( 'auto_plugin_update_send_email', true, $update_results['plugin'] ); |
| 934 | |
| 935 | if ( $notifications_enabled ) { |
| 936 | foreach ( $update_results['plugin'] as $update_result ) { |
| 937 | if ( true === $update_result->result ) { |
| 938 | $successful_updates['plugin'][] = $update_result; |
| 939 | } else { |
| 940 | $failed_updates['plugin'][] = $update_result; |
| 941 | } |
| 942 | } |