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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 |
---|---|
997 |
|
998 | /** |
999 | * Filters a theme's locale. |
1000 | * |
1001 | * @since 3.0.0 |
1002 | * |
1003 | * @param string $locale The theme's current locale. |
1004 | * @param string $domain Text domain. Unique identifier for retrieving translated strings. |
1005 | */ |
1006 | $locale = apply_filters( 'theme_locale', determine_locale(), $domain ); |
1007 |
|
1008 | $mofile = $domain . '-' . $locale . '.mo'; |
1009 |
|
1010 | // Try to load from the languages directory first. |
1011 | if ( load_textdomain( $domain, WP_LANG_DIR . '/themes/' . $mofile, $locale ) ) { |
1012 | return true; |
1013 | } |
1014 |
|
1015 | if ( ! $path ) { |