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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 |
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735 | * the loading, returning the passed value instead. |
736 | * |
737 | * @since 6.3.0 |
738 | * |
739 | * @param bool|null $loaded The result of loading a .mo file. Default null. |
740 | * @param string $domain Text domain. Unique identifier for retrieving translated strings. |
741 | * @param string $mofile Path to the MO file. |
742 | * @param string|null $locale Locale. |
743 | */ |
744 | $loaded = apply_filters( 'pre_load_textdomain', null, $domain, $mofile, $locale ); |
745 | if ( null !== $loaded ) { |
746 | if ( true === $loaded ) { |
747 | unset( $l10n_unloaded[ $domain ] ); |
748 | } |
749 |
|
750 | return $loaded; |
751 | } |
752 |
|
753 | /** |