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split get content before / after read more tag outside loop #php #wordpress
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| <?php | |
| // with wordpress native functions | |
| echo get_extended($p->post_content)['main']; | |
| echo get_extended($p->post_content)['extended']; | |
| // with own function (wordpress own function has problems with enabled p tags) | |
| function wp_split_more($content, $type, $more_html = null) { | |
| $return = [ | |
| 'before' => null, | |
| 'after' => null | |
| ]; | |
| // split up | |
| if ( preg_match('/<!--more(.*?)?-->/', $content, $matches) ) { | |
| list($return['before'], $return['after']) = explode($matches[0], $content, 2); | |
| } | |
| else { | |
| $return['before'] = $content; | |
| $return['after'] = ''; | |
| } | |
| // clean up | |
| // remove gutenberg tags | |
| $return['before'] = str_replace('<!-- wp:paragraph -->','',$return['before']); | |
| $return['before'] = str_replace('<!-- /wp:paragraph -->','',$return['before']); | |
| $return['before'] = str_replace('<!-- wp:more -->','',$return['before']); | |
| $return['after'] = str_replace('<!-- /wp:more -->','',$return['after']); | |
| foreach($return as $key=>$value) { | |
| // remove whitespace | |
| $return[$key] = trim(preg_replace('/^[\s]*(.*)[\s]*$/', '\\1', $return[$key])); | |
| // remove falsly opening p tag | |
| if( strpos($return[$key], '</p>') === 0 ) { $return[$key] = trim(substr($return[$key], strlen('</p>'))); } | |
| // remove opening p tag | |
| if( strpos($return[$key], '<p>') === 0 ) { $return[$key] = trim(substr($return[$key], strlen('<p>'))); } | |
| // remove closing p tag | |
| if( strrpos($return[$key], '<p>') === strlen($return[$key])-strlen('<p>') ) { $return[$key] = trim(substr($return[$key], 0, strlen($return[$key])-strlen('<p>'))); } | |
| if( strrpos($return[$key], '</p>') === strlen($return[$key])-strlen('</p>') ) { $return[$key] = trim(substr($return[$key], 0, strlen($return[$key])-strlen('</p>'))); } | |
| } | |
| // add more tag | |
| if( $more_html !== null && $return['after'] !== '' ) { | |
| $return['before'] = $return['before'].''.$more_html; | |
| } | |
| // add opening / closing p-tags | |
| $return['before'] = (($return['before'][0] != '<')?('<p>'):('')).$return['before'].(($return['before'][strlen($return['before'])-1] != '>')?('</p>'):('')); | |
| $return['after'] = (($return['after'][0] != '<')?('<p>'):('')).$return['after'].(($return['after'][strlen($return['after'])-1] != '>')?('</p>'):('')); | |
| return $return[$type]; | |
| } | |
| // example usage | |
| echo '<div class="content">'; | |
| echo '<div class="before">'; | |
| echo wp_split_more(get_post_field('post_content', get_the_ID()), 'before', '<a href="'.get_permalink(get_the_ID()).'" class="more">>>></a>'); | |
| echo '</div>'; | |
| if( wp_split_more(get_post_field('post_content', get_the_ID()), 'after') !== null && wp_split_more(get_post_field('post_content', get_the_ID()), 'after') != "" ) { | |
| echo '<div class="after">'; | |
| echo wp_split_more(get_post_field('post_content', get_the_ID()), 'after'); | |
| echo '</div>'; | |
| echo '</div>'; | |
| } | |
| ?> |
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