php 使用ACF Pro将输出自定义字段截断为指定的单词数

Posted 2021-05-05

<?php echo custom_field_excerpt(); ?>

<?php 

function custom_field_excerpt() {
    global $post;
    $text = get_field('field_name');
    if ( '' != $text ) {
        $text = strip_shortcodes( $text );
        $text = apply_filters('the_content', $text);
        $text = str_replace(']]>', ']]>', $text);
        $excerpt_length = 12; // 12 words
        $excerpt_more = '...';
        $text = wp_trim_words( $text, $excerpt_length, $excerpt_more );
    }
    return apply_filters('the_excerpt', $text);
}