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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 |
|---|---|
| 516 | foreach ( (array) $val as $enc ) { |
| 517 | $enclosure = explode( "\n", $enc ); |
| 518 | /** |
| 519 | * Filters the atom enclosure HTML link tag for the current post. |
| 520 | * |
| 521 | * @since 2.2.0 |
| 522 | * |
| 523 | * @param string $html_link_tag The HTML link tag with a URI and other attributes. |
| 524 | */ |
| 525 | echo apply_filters( 'atom_enclosure', '<link href="' . esc_url( trim( $enclosure[0] ) ) . '" rel="enclosure" length="' . absint( trim( $enclosure[1] ) ) . '" type="' . esc_attr( trim( $enclosure[2] ) ) . '" />' . "\n" ); |
| 526 | } |
| 527 | } |
| 528 | } |
| 529 | } |
| 530 | |
| 531 | /** |
| 532 | * Determine the type of a string of data with the data formatted. |
| 533 | * |
| 534 | * Tell whether the type is text, html, or xhtml, per RFC 4287 section 3.1. |