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vincentorback/wp-limit-image-sizes.php

Last active December 29, 2022 14:44
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Limit wordpress image sizes based on save data header
Raw
wp-limit-image-sizes.php
<?php
/**
* Limit image srcset width
* @link https://developer.wordpress.org/reference/hooks/max_srcset_image_width/
*/
function limit_image_srcset_width( $max_width = 2048, $size_array = [] ) {
$saveData = (isset($_SERVER["HTTP_SAVE_DATA"]) && stristr($_SERVER["HTTP_SAVE_DATA"], "on") !== false) ? true : false;
return $saveData ? 652 : $max_width;
}
add_filter( 'max_srcset_image_width', 'limit_image_srcset_width' );
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