PHP
/**
* Snippet Name: Post Reading Time
* Snippet Author: coding-bunny.com
* Description: Calculates and displays via shortcode the reading time of blog articles.
*/
if ( ! function_exists( 'post_reading_time' ) ) {
function post_reading_time( $content = null, $words_per_minute = 200, $display_label = 'Reading time: %d min' ) {
if ( is_null( $content ) ) {
global $post;
if ( ! isset( $post ) ) return '';
$content = get_post_field( 'post_content', $post->ID );
}
$word_count = str_word_count( wp_strip_all_tags( $content ) );
$minutes = max( 1, ceil( $word_count / $words_per_minute ) );
$label = sprintf( $display_label, $minutes );
return '<span class="prt-reading-time">' . esc_html( $label ) . '</span>';
}
}
if ( ! shortcode_exists( 'post_reading_time' ) ) {
add_shortcode( 'post_reading_time', function() {
return post_reading_time();
});
}
