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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 |
|---|---|
| 350 | |
| 351 | /** |
| 352 | * Filters the Read More link text. |
| 353 | * |
| 354 | * @since 2.8.0 |
| 355 | * |
| 356 | * @param string $more_link_element Read More link element. |
| 357 | * @param string $more_link_text Read More text. |
| 358 | */ |
| 359 | $output .= apply_filters( 'the_content_more_link', ' <a href="' . get_permalink( $_post ) . "#more-{$_post->ID}\" class=\"more-link\">$more_link_text</a>", $more_link_text ); |
| 360 | } |
| 361 | $output = force_balance_tags( $output ); |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | if ( $preview ) { // Preview fix for JavaScript bug with foreign languages. |
| 366 | $output = preg_replace_callback( '/\%u([0-9A-F]{4})/', '_convert_urlencoded_to_entities', $output ); |
| 367 | } |
| 368 | |