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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 |
|---|---|
| 338 | */ |
| 339 | function unload_textdomain( $domain ) { |
| 340 | global $l10n; |
| 341 | |
| 342 | $plugin_override = apply_filters( 'override_unload_textdomain', false, $domain ); |
| 343 | |
| 344 | if ( $plugin_override ) |
| 345 | return true; |
| 346 | |
| 347 | do_action( 'unload_textdomain', $domain ); |
| 348 | |
| 349 | if ( isset( $l10n[$domain] ) ) { |
| 350 | unset( $l10n[$domain] ); |
| 351 | return true; |
| 352 | } |
| 353 | |
| 354 | return false; |
| 355 | } |
| 356 | |