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The WordPress function load_textdomain is used to load a translation file for a specific text domain. This function is usually used to translate the text strings from a theme or plugin to the desired language.

When a WordPress theme or plugin is developed, text strings are often hardcoded into the code. To make it easier for non-English speaking users to use the theme or plugin, developers can use the load_textdomain function to load a translation file that contains translations for all the text strings in the theme or plugin.

The load_textdomain function takes two parameters: the text domain and the path to the translation file. The text domain is a unique identifier for the theme or plugin, and the translation file is a .mo file that contains the translations.

Here is an example usage code for the load_textdomain function:

function mytheme_load_textdomain() {
    load_textdomain( 'mytheme', get_template_directory() . '/languages/mytheme-fr_FR.mo' );
add_action( 'after_setup_theme', 'mytheme_load_textdomain' );

In this example, the load_textdomain function is used to load a translation file for the "mytheme" text domain. The translation file is located in the "/languages" directory of the theme, and is named "mytheme-fr_FR.mo". The "fr_FR" at the end of the file name indicates that it contains translations for French.

Once the translation file is loaded, WordPress will automatically use the translations for all the text strings in the theme or plugin that have been properly internationalized with the __() or _e() functions.

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WordPress snippets using the load_textdomain function

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