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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 |
|---|---|
| 5326 | * Placeholders (%s) are included to assist translators and then |
| 5327 | * removed before the array of strings reaches the filter. |
| 5328 | * |
| 5329 | * Please note: Ampersands and entities should be avoided here. |
| 5330 | * |
| 5331 | * @since 2.5.0 |
| 5332 | * |
| 5333 | * @param array $delimiters An array of translated delimiters. |
| 5334 | */ |
| 5335 | $l = apply_filters( |
| 5336 | 'wp_sprintf_l', |
| 5337 | array( |
| 5338 | /* translators: Used to join items in a list with more than 2 items. */ |
| 5339 | 'between' => sprintf( __( '%1$s, %2$s' ), '', '' ), |
| 5340 | /* translators: Used to join last two items in a list with more than 2 times. */ |
| 5341 | 'between_last_two' => sprintf( __( '%1$s, and %2$s' ), '', '' ), |
| 5342 | /* translators: Used to join items in a list with only 2 items. */ |
| 5343 | 'between_only_two' => sprintf( __( '%1$s and %2$s' ), '', '' ), |
| 5344 | ) |