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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 |
|---|---|
| 494 | |
| 495 | /** |
| 496 | * Filter the text domain for loading translation. |
| 497 | * |
| 498 | * @since 3.0.0 |
| 499 | * |
| 500 | * @param bool $override Whether to override unloading the text domain. Default false. |
| 501 | * @param string $domain Text domain. Unique identifier for retrieving translated strings. |
| 502 | */ |
| 503 | $plugin_override = apply_filters( 'override_unload_textdomain', false, $domain ); |
| 504 | |
| 505 | if ( $plugin_override ) |
| 506 | return true; |
| 507 | |
| 508 | /** |
| 509 | * Fires before the text domain is unloaded. |
| 510 | * |
| 511 | * @since 3.0.0 |
| 512 | * |