Weak hands cannot be planted, meager skills have no foundation. Shallow wisdom is futile, how can one hope for a good name?扰扰从役倦，屑屑身事微。少壮轻年月，迟暮惜光辉。
post_excerpt );
if ( 'on' === et_get_option( $shortname . '_use_excerpt' ) && ! empty( $post_excerpt ) ) {
if ( $echo ) {
echo et_core_intentionally_unescaped( $post_excerpt, 'html' );
} else {
return $post_excerpt;
}
} else {
// get the post content.
$truncate = $post->post_content;
// remove caption shortcode from the post content.
$truncate = preg_replace( '@\[caption[^\]]*?\].*?\[\/caption]@si', '', $truncate );
// remove post nav shortcode from the post content.
// phpcs:ignore ET.Comments.Todo.TodoFound -- Legacy TODO: May not be tracked in GitHub issues yet. Preserve for future tracking/removal.
// TODO fix(D5, PostUtility) Replace the et_pb_post_nav with D5's post navigation module.
$truncate = preg_replace( '@\[et_pb_post_nav[^\]]*?\].*?\[\/et_pb_post_nav]@si', '', $truncate );
// Remove audio shortcode from post content to prevent unwanted audio file on the excerpt
// due to unparsed audio shortcode.
$truncate = preg_replace( '@\[audio[^\]]*?\].*?\[\/audio]@si', '', $truncate );
// Remove embed shortcode from post content.
$truncate = preg_replace( '@\[embed[^\]]*?\].*?\[\/embed]@si', '', $truncate );
// Apply the content filters to the post content to parse blocks.
$truncate = BlockParserStore::render_inner_content( $truncate );
// Remove icon markup from rendered content to prevent icon characters in excerpts.
$truncate = self::remove_icon_markup( $truncate );
// Ensure adjacent tags preserve whitespace when tags are stripped.
$truncate = self::ensure_space_between_tags( $truncate );
// Remove script and style tags from the post content.
$truncate = wp_strip_all_tags( $truncate );
if ( $strip_shortcodes ) {
$truncate = et_strip_shortcodes( $truncate );
$truncate = DynamicContentUtils::get_strip_dynamic_content( $truncate );
} else {
// Check if content should be overridden with a custom value.
$custom = apply_filters( 'et_truncate_post_use_custom_content', false, $truncate, $post );
// apply content filters.
$truncate = false === $custom ? BlockParserStore::render_inner_content( $truncate ) : $custom;
}
/**
* Filter automatically generated post excerpt before it gets truncated.
*
* @since 3.17.2
*
* @param string $excerpt
* @param integer $post_id
*/
$truncate = apply_filters( 'et_truncate_post', $truncate, $post->ID );
// decide if we need to append dots at the end of the string.
if ( strlen( $truncate ) <= $amount ) {
$echo_out = '';
} else {
$echo_out = '...';
}
$trim_words = '';
if ( $is_words_length ) {
// Reset `$echo_out` text because it will be added by wp_trim_words() with
// default WordPress `excerpt_more` text.
$echo_out = '';
$excerpt_more = apply_filters( 'excerpt_more', ' […]' );
$trim_words = wp_trim_words( $truncate, $amount, $excerpt_more );
} else {
$trim_words = et_wp_trim_words( $truncate, $amount, '' );
}
// trim text to a certain number of characters, also remove spaces from the end of a string ( space counts as a character ).
$truncate = rtrim( $trim_words );
// remove the last word to make sure we display all words correctly.
if ( ! empty( $echo_out ) ) {
$new_words_array = (array) explode( ' ', $truncate );
// Remove last word if word count is more than 1.
if ( count( $new_words_array ) > 1 ) {
array_pop( $new_words_array );
}
$truncate = implode( ' ', $new_words_array );
// Dots should not add to empty string.
if ( '' !== $truncate ) {
// append dots to the end of the string.
$truncate .= $echo_out;
}
}
if ( $echo ) {
echo et_core_intentionally_unescaped( $truncate, 'html' );
} else {
return $truncate;
}
}
}
/**
* Remove icon markup from rendered content.
*
* @since ??
*
* @param string $content Rendered content HTML.
*
* @return string Content with icon markup removed.
*/
public static function remove_icon_markup( $content ) {
// Test regex: https://regex101.com/r/v7E3sA/1.
$icon_markup_pattern = '@<(?:span|i)[^>]*class="[^"]*\b(?:et-pb-icon|et_pb_icon)\b[^"]*"[^>]*>.*?<\/(?:span|i)>@si';
return preg_replace( $icon_markup_pattern, '', $content );
}
/**
* Ensure adjacent tags preserve whitespace once tags are stripped.
*
* @since ??
*
* @param string $content Rendered content HTML.
*
* @return string Content with tag boundaries separated by spaces.
*/
public static function ensure_space_between_tags( $content ) {
return preg_replace( '/>\s* <', $content );
}
/**
* Get the first video URL and embed code from the post content.
*
* This fixes the issue with thumbnail video player not working, when video url is added to content without
* shortcode.
*
* This function is the replacement of Divi 4 function `et_get_first_video`.
*
* @since ??
*
* @return string|false First video embed code if found, false otherwise.
*/
public static function get_first_video() {
$first_url = '';
$first_video = '';
$video_width = (int) apply_filters( 'et_blog_video_width', 1080 );
$video_height = (int) apply_filters( 'et_blog_video_height', 630 );
$i = 0;
$content = get_the_content();
preg_match_all( '|^\s*https?://[^\s"]+\s*$|im', $content, $urls );
foreach ( $urls[0] as $url ) {
++$i;
if ( 1 === $i ) {
$first_url = trim( $url );
}
$oembed = wp_oembed_get( esc_url( $url ) );
if ( ! $oembed ) {
continue;
}
$first_video = $oembed;
$first_video = preg_replace( '/