Estimated Reading Time

functions.php

<?php

/**
 * Estimated Reading Time
 *
 * Use by adding it to a hook like add_action( 'genesis_after_entry', 'fm_estimated_reading_time' );
 *
 * @link http://briancray.com/posts/estimated-reading-time-web-design/
 * @return void
 */
function fm_estimated_reading_time() {

	// load the content
	$thecontent = $post->post_content;
	// count the number of words
	$words = str_word_count( strip_tags( $thecontent ) );
	// rounding off and deviding per 200 words per minute
	$m = floor( $words / 200 );
	// rounding off to get the seconds
	$s = floor( $words % 200 / ( 200 / 60 ) );
	// calculate the amount of time needed to read
	$estimate = $m . ' minute' . ( $m == 1 ? '' : 's' ) . ', ' . $s . ' second' . ( $s == 1 ? '' : 's' );
	// create output
	$output = '<p>Estimated reading time: ' . $estimate . '</p>';
	// return the estimate
	return $output;

}