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August 29, 2015 13:57
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| function get_excerpt_by_id( $post_id, $charlength = 140, $ending = '[…]' ) { | |
| global $post; | |
| if ( $post->ID !== $post_id ) | |
| $post = get_post( $post_id ); | |
| if ( has_excerpt( $post->ID ) ) | |
| return $post->post_excerpt; | |
| $subex = mb_substr( $post->post_content, 0, $charlength - 5 ); | |
| $exwords = explode( ' ', $subex ); | |
| $excut = - ( mb_strlen( $exwords[ count( $exwords ) - 1 ] ) ); | |
| if ( $excut < 0 ) { | |
| $subex = mb_substr( $subex, 0, $excut ); | |
| } | |
| return $subex . $ending; | |
| } |
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