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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 |
|---|---|
| 541 | * @since 2.8.0 |
| 542 | * |
| 543 | * @param string $translation Translated text. |
| 544 | * @param string $single The text to be used if the number is singular. |
| 545 | * @param string $plural The text to be used if the number is plural. |
| 546 | * @param int $number The number to compare against to use either the singular or plural form. |
| 547 | * @param string $context Context information for the translators. |
| 548 | * @param string $domain Text domain. Unique identifier for retrieving translated strings. |
| 549 | */ |
| 550 | $translation = apply_filters( 'ngettext_with_context', $translation, $single, $plural, $number, $context, $domain ); |
| 551 | |
| 552 | /** |
| 553 | * Filters the singular or plural form of a string with gettext context for a domain. |
| 554 | * |
| 555 | * The dynamic portion of the hook name, `$domain`, refers to the text domain. |
| 556 | * |
| 557 | * @since 5.5.0 |
| 558 | * |
| 559 | * @param string $translation Translated text. |