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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 |
|---|---|
| 272 | * The dynamic portion of the hook name, `$domain`, refers to the text domain. |
| 273 | * |
| 274 | * @since 5.5.0 |
| 275 | * |
| 276 | * @param string $translation Translated text. |
| 277 | * @param string $text Text to translate. |
| 278 | * @param string $context Context information for the translators. |
| 279 | * @param string $domain Text domain. Unique identifier for retrieving translated strings. |
| 280 | */ |
| 281 | $translation = apply_filters( "gettext_with_context_{$domain}", $translation, $text, $context, $domain ); |
| 282 | |
| 283 | return $translation; |
| 284 | } |
| 285 | |
| 286 | /** |
| 287 | * Retrieves the translation of $text. |
| 288 | * |
| 289 | * If there is no translation, or the text domain isn't loaded, the original text is returned. |
| 290 | * |