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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 |
|---|---|
| 83 | $this->change_locale( $locale ); |
| 84 | |
| 85 | /** |
| 86 | * Fires when the locale is switched. |
| 87 | * |
| 88 | * @since 4.7.0 |
| 89 | * |
| 90 | * @param string $locale The new locale. |
| 91 | */ |
| 92 | do_action( 'switch_locale', $locale ); |
| 93 | |
| 94 | return true; |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * Restores the translations according to the previous locale. |
| 99 | * |
| 100 | * @since 4.7.0 |
| 101 | * |