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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 |
|---|---|
| 5772 | * |
| 5773 | * For these first content media elements, the `loading` attribute will be omitted. By default, this is the case |
| 5774 | * for only the very first content media element. |
| 5775 | * |
| 5776 | * @since 5.9.0 |
| 5777 | * @since 6.3.0 The default threshold was changed from 1 to 3. |
| 5778 | * |
| 5779 | * @param int $omit_threshold The number of media elements where the `loading` attribute will not be added. Default 3. |
| 5780 | */ |
| 5781 | $omit_threshold = apply_filters( 'wp_omit_loading_attr_threshold', 3 ); |
| 5782 | } |
| 5783 | |
| 5784 | return $omit_threshold; |
| 5785 | } |
| 5786 | |
| 5787 | /** |
| 5788 | * Increases an internal content media count variable. |
| 5789 | * |
| 5790 | * @since 5.9.0 |