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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 211 | $teaser = $content[0]; |
| 212 | if ( $more && $stripteaser && $hasTeaser ) |
| 213 | $teaser = ''; |
| 214 | $output .= $teaser; |
| 215 | if ( count($content) > 1 ) { |
| 216 | if ( $more ) { |
| 217 | $output .= '<span id="more-' . $post->ID . '"></span>' . $content[1]; |
| 218 | } else { |
| 219 | if ( ! empty($more_link_text) ) |
| 220 | $output .= apply_filters( 'the_content_more_link', ' <a href="' . get_permalink() . "#more-{$post->ID}\" class=\"more-link\">$more_link_text</a>", $more_link_text ); |
| 221 | $output = force_balance_tags($output); |
| 222 | } |
| 223 | |
| 224 | } |
| 225 | if ( $preview ) // preview fix for javascript bug with foreign languages |
| 226 | $output = preg_replace_callback('/\%u([0-9A-F]{4})/', '_convert_urlencoded_to_entities', $output); |
| 227 | |
| 228 | return $output; |
| 229 | } |