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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 |
|---|---|
| 559 | * An array of metadata about the available plugin update. |
| 560 | * |
| 561 | * @type int $id Plugin ID. |
| 562 | * @type string $slug Plugin slug. |
| 563 | * @type string $new_version New plugin version. |
| 564 | * @type string $url Plugin URL. |
| 565 | * @type string $package Plugin update package URL. |
| 566 | * } |
| 567 | */ |
| 568 | do_action( "in_plugin_update_message-{$file}", $plugin_data, $response ); // phpcs:ignore WordPress.NamingConventions.ValidHookName.UseUnderscores |
| 569 | |
| 570 | echo '</p></div></td></tr>'; |
| 571 | } |
| 572 | } |
| 573 | |
| 574 | /** |
| 575 | * @since 2.9.0 |
| 576 | * |
| 577 | * @return array |