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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 |
|---|---|
| 4472 | * Placeholders (%s) are included to assist translators and then |
| 4473 | * removed before the array of strings reaches the filter. |
| 4474 | * |
| 4475 | * Please note: Ampersands and entities should be avoided here. |
| 4476 | * |
| 4477 | * @since 2.5.0 |
| 4478 | * |
| 4479 | * @param array $delimiters An array of translated delimiters. |
| 4480 | */ |
| 4481 | $l = apply_filters( 'wp_sprintf_l', array( |
| 4482 | /* translators: used to join items in a list with more than 2 items */ |
| 4483 | 'between' => sprintf( __('%s, %s'), '', '' ), |
| 4484 | /* translators: used to join last two items in a list with more than 2 times */ |
| 4485 | 'between_last_two' => sprintf( __('%s, and %s'), '', '' ), |
| 4486 | /* translators: used to join items in a list with only 2 items */ |
| 4487 | 'between_only_two' => sprintf( __('%s and %s'), '', '' ), |
| 4488 | ) ); |
| 4489 | |
| 4490 | $args = (array) $args; |