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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 |
|---|---|
| 1096 | |
| 1097 | /** |
| 1098 | * Filters a theme's locale. |
| 1099 | * |
| 1100 | * @since 3.0.0 |
| 1101 | * |
| 1102 | * @param string $locale The theme's current locale. |
| 1103 | * @param string $domain Text domain. Unique identifier for retrieving translated strings. |
| 1104 | */ |
| 1105 | $locale = apply_filters( 'theme_locale', determine_locale(), $domain ); |
| 1106 | |
| 1107 | $mofile = $domain . '-' . $locale . '.mo'; |
| 1108 | |
| 1109 | // Try to load from the languages directory first. |
| 1110 | if ( load_textdomain( $domain, WP_LANG_DIR . '/themes/' . $mofile, $locale ) ) { |
| 1111 | return true; |
| 1112 | } |
| 1113 | |
| 1114 | if ( ! $path ) { |