#25: the_modified_date

the_modified_date.php

<?php
/**
 * Modifed date emphasis
 *
 * @param string $modified_date The modified date output.
 * @param string $date The date format. Defaults to 'date_format' option value.
 * @param string $before What to output before the date.
 * @param string $after What to output after the date.
 *
 * @return string The modified modified date (heh)
 */
function wpdocs_the_modified_date( $modified_date, $format, $before, $after ) {
	// Add emphasis tags before and after the date
	$modified_date = '<em>' . get_the_modified_date( $format ) . '</em>';
	return $modified_date;
}
add_filter( 'the_modified_date', 'wpdocs_the_modified_date', 10, 4 );