function _wp_post_thumbnail_class_filter_add( $attr ) {}

Adds _wp_post_thumbnail_class_filter to the wp_get_attachment_image_attributes filter


  • $attr

Source code

function _wp_post_thumbnail_class_filter_add( $attr ) {

	add_filter( 'wp_get_attachment_image_attributes', '_wp_post_thumbnail_class_filter' );



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