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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 |
|---|---|
| 1286 | |
| 1287 | /** |
| 1288 | * Conditionally makes a hyperlink based on an internal class variable. |
| 1289 | * |
| 1290 | * @param string $url URL to potentially be linked. |
| 1291 | * @return string Linked URL or the original URL. |
| 1292 | */ |
| 1293 | function maybe_make_link( $url ) { |
| 1294 | $output = ( $this->linkifunknown ) ? '<a href="' . esc_attr($url) . '">' . esc_html($url) . '</a>' : $url; |
| 1295 | return apply_filters( 'embed_maybe_make_link', $output, $url ); |
| 1296 | } |
| 1297 | } |
| 1298 | $wp_embed = new WP_Embed(); |
| 1299 | |
| 1300 | /** |
| 1301 | * Register an embed handler. This function should probably only be used for sites that do not support oEmbed. |
| 1302 | * |
| 1303 | * @since 2.9.0 |
| 1304 | * @see WP_Embed::register_handler() |