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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 |
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288 |
|
289 | /** |
290 | * Filter the Read More link text. |
291 | * |
292 | * @since 2.8.0 |
293 | * |
294 | * @param string $more_link_element Read More link element. |
295 | * @param string $more_link_text Read More text. |
296 | */ |
297 | $output .= apply_filters( 'the_content_more_link', ' <a href="' . get_permalink() . "#more-{$post->ID}\" class=\"more-link\">$more_link_text</a>", $more_link_text ); |
298 | $output = force_balance_tags( $output ); |
299 | } |
300 | } |
301 |
|
302 | if ( $preview ) // Preview fix for JavaScript bug with foreign languages. |
303 | $output = preg_replace_callback( '/\%u([0-9A-F]{4})/', '_convert_urlencoded_to_entities', $output ); |
304 |
|
305 | return $output; |
306 | } |