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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 |
|---|---|
| 737 | $locale = get_locale(); |
| 738 | /** |
| 739 | * Filter a theme's locale. |
| 740 | * |
| 741 | * @since 3.0.0 |
| 742 | * |
| 743 | * @param string $locale The theme's current locale. |
| 744 | * @param string $domain Text domain. Unique identifier for retrieving translated strings. |
| 745 | */ |
| 746 | $locale = apply_filters( 'theme_locale', $locale, $domain ); |
| 747 | |
| 748 | if ( ! $path ) |
| 749 | $path = get_template_directory(); |
| 750 | |
| 751 | // Load the textdomain according to the theme |
| 752 | $mofile = untrailingslashit( $path ) . "/{$locale}.mo"; |
| 753 | if ( $loaded = load_textdomain( $domain, $mofile ) ) |
| 754 | return $loaded; |
| 755 | |