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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 |
|---|---|
| 215 | $teaser = ''; |
| 216 | |
| 217 | $output .= $teaser; |
| 218 | |
| 219 | if ( count( $content ) > 1 ) { |
| 220 | if ( $more ) { |
| 221 | $output .= '<span id="more-' . $post->ID . '"></span>' . $content[1]; |
| 222 | } else { |
| 223 | if ( ! empty( $more_link_text ) ) |
| 224 | $output .= apply_filters( 'the_content_more_link', ' <a href="' . get_permalink() . "#more-{$post->ID}\" class=\"more-link\">$more_link_text</a>", $more_link_text ); |
| 225 | $output = force_balance_tags( $output ); |
| 226 | } |
| 227 | } |
| 228 | |
| 229 | if ( $preview ) // preview fix for javascript bug with foreign languages |
| 230 | $output = preg_replace_callback( '/\%u([0-9A-F]{4})/', '_convert_urlencoded_to_entities', $output ); |
| 231 | |
| 232 | return $output; |
| 233 | } |