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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 |
|---|---|
| 519 | /** |
| 520 | * Filter text domain and/or MO file path for loading translations. |
| 521 | * |
| 522 | * @since 2.9.0 |
| 523 | * |
| 524 | * @param bool $override Whether to override the text domain. Default false. |
| 525 | * @param string $domain Text domain. Unique identifier for retrieving translated strings. |
| 526 | * @param string $mofile Path to the MO file. |
| 527 | */ |
| 528 | $plugin_override = apply_filters( 'override_load_textdomain', false, $domain, $mofile ); |
| 529 | |
| 530 | if ( true == $plugin_override ) { |
| 531 | return true; |
| 532 | } |
| 533 | |
| 534 | /** |
| 535 | * Fires before the MO translation file is loaded. |
| 536 | * |
| 537 | * @since 2.9.0 |