Gets the threshold for how many of the first content media elements to not lazy-load.
Description
This function runs the ‘wp_omit_loading_attr_threshold’ filter, which uses a default threshold value of 3.
The filter is only run once per page load, unless the $force parameter is used.
Parameters
$forcebooloptional- If set to true, the filter will be (re-)applied even if it already has been before.
Default:
false
Source
* The key function logic starts here.
*/
$maybe_in_viewport = null;
$increase_count = false;
$maybe_increase_count = false;
// Logic to handle a `loading` attribute that is already provided.
if ( isset( $attr['loading'] ) ) {
/*
* Interpret "lazy" as not in viewport. Any other value can be
* interpreted as in viewport (realistically only "eager" or `false`
* to force-omit the attribute are other potential values).
*/
if ( 'lazy' === $attr['loading'] ) {
$maybe_in_viewport = false;
} else {
$maybe_in_viewport = true;
}
}
// Logic to handle a `fetchpriority` attribute that is already provided.
Changelog
| Version | Description |
|---|---|
| 5.9.0 | Introduced. |
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