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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 |
|---|---|
| 593 | return true; |
| 594 | |
| 595 | /** |
| 596 | * Fires before the text domain is unloaded. |
| 597 | * |
| 598 | * @since 3.0.0 |
| 599 | * |
| 600 | * @param string $domain Text domain. Unique identifier for retrieving translated strings. |
| 601 | */ |
| 602 | do_action( 'unload_textdomain', $domain ); |
| 603 | |
| 604 | if ( isset( $l10n[$domain] ) ) { |
| 605 | unset( $l10n[$domain] ); |
| 606 | return true; |
| 607 | } |
| 608 | |
| 609 | return false; |
| 610 | } |
| 611 | |