Ana amfani da shi a cikin iframe ɗin da PBS ke amfani da shi wajen nuna fasalinsa mai dacewa da na’urori yayin gyara. Ana kiran wannan dab da kafin alamar <head> ta rufe kuma ana iya amfani da shi wajen ƙara rubutun scripts da styles.

Sigogi

Babu.

Misali

add_action( 'pbs_iframe_header', 'change_bg_color' );

function change_bg_color() {
	?>
	<style>
	body {
		background-color: hotpink;
	}
	</style>
	<?php
}