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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 |
|---|---|
| 1025 | |
| 1026 | /** |
| 1027 | * Filters a theme's locale. |
| 1028 | * |
| 1029 | * @since 3.0.0 |
| 1030 | * |
| 1031 | * @param string $locale The theme's current locale. |
| 1032 | * @param string $domain Text domain. Unique identifier for retrieving translated strings. |
| 1033 | */ |
| 1034 | $locale = apply_filters( 'theme_locale', determine_locale(), $domain ); |
| 1035 | |
| 1036 | $mofile = $domain . '-' . $locale . '.mo'; |
| 1037 | |
| 1038 | // Try to load from the languages directory first. |
| 1039 | if ( load_textdomain( $domain, WP_LANG_DIR . '/themes/' . $mofile, $locale ) ) { |
| 1040 | return true; |
| 1041 | } |
| 1042 | |
| 1043 | if ( ! $path ) { |