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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 |
|---|---|
| 436 | /** |
| 437 | * Filter text domain and/or MO file path for loading translations. |
| 438 | * |
| 439 | * @since 2.9.0 |
| 440 | * |
| 441 | * @param bool $override Whether to override the text domain. Default false. |
| 442 | * @param string $domain Text domain. Unique identifier for retrieving translated strings. |
| 443 | * @param string $mofile Path to the MO file. |
| 444 | */ |
| 445 | $plugin_override = apply_filters( 'override_load_textdomain', false, $domain, $mofile ); |
| 446 | |
| 447 | if ( true == $plugin_override ) { |
| 448 | return true; |
| 449 | } |
| 450 | |
| 451 | /** |
| 452 | * Fires before the MO translation file is loaded. |
| 453 | * |
| 454 | * @since 2.9.0 |