91 lines
2.4 KiB
PHP
91 lines
2.4 KiB
PHP
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<?php
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/**
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* Language functions
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*
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* @package Top_Ten
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*/
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/**
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* Function to create an excerpt for the post.
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*
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* @since 1.6
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* @param int $id Post ID.
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* @param int|string $excerpt_length Length of the excerpt in words.
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* @param bool $use_excerpt Use Excerpt.
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* @return string Excerpt
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*/
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function tptn_excerpt( $id, $excerpt_length = 0, $use_excerpt = true ) {
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$content = '';
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$post = get_post( $id );
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if ( empty( $post ) ) {
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return '';
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}
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if ( $use_excerpt ) {
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$content = $post->post_excerpt;
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}
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if ( empty( $content ) ) {
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$content = $post->post_content;
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}
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$output = wp_strip_all_tags( strip_shortcodes( $content ) );
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if ( $excerpt_length > 0 ) {
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$output = wp_trim_words( $output, $excerpt_length );
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}
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if ( post_password_required( $post ) ) {
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$output = __( 'There is no excerpt because this is a protected post.', 'top-10' );
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}
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/**
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* Filters excerpt generated by tptn.
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*
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* @since 1.9.10.1
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*
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* @param array $output Formatted excerpt
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* @param int $id Post ID
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* @param int $excerpt_length Length of the excerpt
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* @param boolean $use_excerpt Use the excerpt?
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*/
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return apply_filters( 'tptn_excerpt', $output, $id, $excerpt_length, $use_excerpt );
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}
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/**
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* Truncate a string to a certain length.
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*
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* @since 2.5.4
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*
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* @param string $string String to truncate.
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* @param int $count Maximum number of characters to take.
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* @param string $more What to append if $string needs to be trimmed.
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* @param bool $break_words Optionally choose to break words.
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* @return string Truncated string.
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*/
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function tptn_trim_char( $string, $count = 60, $more = '…', $break_words = false ) {
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$string = wp_strip_all_tags( $string, true );
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if ( 0 === $count ) {
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return '';
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}
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if ( mb_strlen( $string ) > $count && $count > 0 ) {
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$count -= min( $count, mb_strlen( $more ) );
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if ( ! $break_words ) {
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$string = preg_replace( '/\s+?(\S+)?$/u', '', mb_substr( $string, 0, $count + 1 ) );
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}
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$string = mb_substr( $string, 0, $count ) . $more;
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}
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/**
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* Filters truncated string.
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*
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* @since 2.4.0
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*
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* @param string $string String to truncate.
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* @param int $count Maximum number of characters to take.
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* @param string $more What to append if $string needs to be trimmed.
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* @param bool $break_words Optionally choose to break words.
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*/
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return apply_filters( 'tptn_trim_char', $string, $count, $more, $break_words );
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}
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