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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 |
|---|---|
| 265 | |
| 266 | /** |
| 267 | * Conditionally makes a hyperlink based on an internal class variable. |
| 268 | * |
| 269 | * @param string $url URL to potentially be linked. |
| 270 | * @return string Linked URL or the original URL. |
| 271 | */ |
| 272 | function maybe_make_link( $url ) { |
| 273 | $output = ( $this->linkifunknown ) ? '<a href="' . esc_url($url) . '">' . esc_html($url) . '</a>' : $url; |
| 274 | return apply_filters( 'embed_maybe_make_link', $output, $url ); |
| 275 | } |
| 276 | } |
| 277 | $GLOBALS['wp_embed'] = new WP_Embed(); |
| 278 | |