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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 |
|---|---|
| 5469 | * Filters the threshold for how many of the first content media elements to not lazy-load. |
| 5470 | * |
| 5471 | * For these first content media elements, the `loading` attribute will be omitted. By default, this is the case |
| 5472 | * for only the very first content media element. |
| 5473 | * |
| 5474 | * @since 5.9.0 |
| 5475 | * |
| 5476 | * @param int $omit_threshold The number of media elements where the `loading` attribute will not be added. Default 1. |
| 5477 | */ |
| 5478 | $omit_threshold = apply_filters( 'wp_omit_loading_attr_threshold', 1 ); |
| 5479 | } |
| 5480 | |
| 5481 | return $omit_threshold; |
| 5482 | } |
| 5483 | |
| 5484 | /** |
| 5485 | * Increases an internal content media count variable. |
| 5486 | * |
| 5487 | * @since 5.9.0 |