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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 |
|---|---|
| 495 | * |
| 496 | * Custom columns are registered using the {@see 'manage_export-personal-data_columns'} |
| 497 | * and the {@see 'manage_erase-personal-data_columns'} filters. |
| 498 | * |
| 499 | * @since 5.7.0 |
| 500 | * |
| 501 | * @param string $column_name The name of the column to display. |
| 502 | * @param WP_User_Request $item The item being shown. |
| 503 | */ |
| 504 | do_action( "manage_{$this->screen->id}_custom_column", $column_name, $item ); |
| 505 | } |
| 506 | |
| 507 | /** |
| 508 | * Created timestamp column. Overridden by children. |
| 509 | * |
| 510 | * @since 5.7.0 |
| 511 | * |
| 512 | * @param WP_User_Request $item Item being shown. |
| 513 | * @return string Human readable date. |