我找到了将摘录限制在2段或更多段落的答案。但是,我发现的代码仅适用于实际摘录,而不适用于我制作的自定义摘录。我制作了两个摘录,一个用于首页上的某些帖子,另一个用于帖子页面。我想将该代码添加到我为帖子页面制作的自定义摘录中。我怎么做。
这是我创建的代码:
// Create the Custom Excerpts callback
function wpden_excerpt($length_callback = '', $more_callback = '')
{
global $post;
if (function_exists($length_callback)) {
add_filter('excerpt_length', $length_callback);
}
if (function_exists($more_callback)) {
add_filter('excerpt_more', $more_callback);
}
$output = get_the_excerpt();
$output = apply_filters('wptexturize', $output);
$output = apply_filters('convert_chars', $output);
$output = '<p>' . $output . '</p>';
echo $output;
}
// Custom Length
function wpden_mag_len($length) {
return 200;
}
function wpden_more_view($more){
global $post;
return '... <a class="view-article" href="' . get_permalink($post->ID) . '">' . __('', 'wpden') . '</a>';
}
我在template_post.php中调用它:
<?php wpden_excerpt('wpden_mag_len','wpden_more_view'); ?>
我想用于自定义wpden_excerpt的代码是:
add_filter( 'wp_trim_excerpt', 'my_custom_excerpt', 10, 2 );
function my_custom_excerpt($text, $raw_excerpt) {
if( ! $raw_excerpt ) {
$content = apply_filters( 'the_content', get_the_content() );
$text = substr( $content, 0, strpos( $content, '</p>' ) + 4 );
}
return $text;
}
来自this site或来自其他stack overflow question
$wpse0001_excerpt = get_the_content('');
$wpse0001_excerpt = strip_shortcodes( $wpse0001_excerpt );
$wpse0001_excerpt = apply_filters('the_content', $wpse0001_excerpt);
// Here we choose how many paragraphs do we want to cutthe excerpt at, This part thanks to Clément Malet
$wpse0001_excerpt = "<p>$wpse0001_excerpt</p>";
$wanted_number_of_paragraph = 2;
$tmp = explode ('</p>', $wpse0001_excerpt);
for ($i = 0; $i < $wanted_number_of_paragraph; ++$i) {
if (isset($tmp[$i]) && $tmp[$i] != '') {
$tmp_to_add[$i] = $tmp[$i];
}
}
$wpse0001_excerpt = implode('</p>', $tmp_to_add) . '</p>';
$wpse0001_excerpt = str_replace(']]>', ']]>', $wpse0001_excerpt);
$excerpt_end = ' <a href="'. esc_url( get_permalink() ) . '">' . ' » ' . sprintf(__( 'Read more about: %s »', 'pietergoosen' ), get_the_title()) . '</a>';
$excerpt_more = apply_filters('excerpt_more', ' ' . $excerpt_end);
//$pos = strrpos($wpse0001_excerpt, '</');
//if ($pos !== false)
// Inside last HTML tag
//$wpse0001_excerpt = substr_replace($wpse0001_excerpt, $excerpt_end, $pos, 0);
//else
// After the content
$wpse0001_excerpt .= $excerpt_end;
return $wpse0001_excerpt;
}
return apply_filters('wpse0001_custom_wp_trim_excerpt', $wpse0001_excerpt, $raw_excerpt);
}
endif;
remove_filter('get_the_excerpt', 'wp_trim_excerpt');
add_filter('get_the_excerpt', 'wpse0001_custom_wp_trim_excerpt');
问题是那些有问题的代码适用于the_excerpt并覆盖我所做的自定义摘录。我试着像这样格式化代码:
function wpden_excerpt($text = '')
{
global $post;
if ( '' == $text ) {
$text = get_the_content('');
$text = apply_filters('the_content', $text);
$text = str_replace('\]\]\>', ']]>', $text);
$text = preg_replace('@<script[^>]*?>.*?</script>@si', '', $text);
$text = strip_tags($text, '<p>');
$excerpt_length = 80;
$words = explode(' ', $text, $excerpt_length + 1);
if (count($words)> $excerpt_length) {
array_pop($words);
array_push($words, '[...]');
$text = implode(' ', $words);
}
}
return $text;
}
并在模板中将其称为
<?php wpden_excerpt('text'); ?>
但它没有用。出了什么问题,如何解决?
更新
我仍然需要帮助!我尝试了许多不同的自定义摘录组合,并将摘录限制为一个段落,我无法这样做......请帮助!!
答案 0 :(得分:0)
感谢我兄弟的帮助,我能够编辑代码以显示自定义摘录的两个段落:
// Create the Custom Excerpts callback
function wpden_excerpt()
{
global $post;
$output = get_the_content();
$wanted_number_of_paragraph = 2;
$tmp = explode ('</p>', $output);
for ($i = 0; $i < $wanted_number_of_paragraph; ++$i) {
if (isset($tmp[$i]) && $tmp[$i] != '') {
$tmp_to_add[$i] = $tmp[$i];
}
}
$output = implode('</p>', $tmp_to_add) . '</p>';
echo $output;
}
并在我的模板文件中将其称为
<?php wpden_excerpt(); ?>