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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 |
|---|---|
| 750 | |
| 751 | /** |
| 752 | * Filters MO file path for loading translations for a specific text domain. |
| 753 | * |
| 754 | * @since 2.9.0 |
| 755 | * |
| 756 | * @param string $mofile Path to the MO file. |
| 757 | * @param string $domain Text domain. Unique identifier for retrieving translated strings. |
| 758 | */ |
| 759 | $mofile = apply_filters( 'load_textdomain_mofile', $mofile, $domain ); |
| 760 | |
| 761 | if ( ! is_readable( $mofile ) ) { |
| 762 | return false; |
| 763 | } |
| 764 | |
| 765 | if ( ! $locale ) { |
| 766 | $locale = determine_locale(); |
| 767 | } |
| 768 | |