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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 |
|---|---|
| 566 | * @since 3.6.0 |
| 567 | * @since 4.4.0 Added the `$shortcode` parameter. |
| 568 | * |
| 569 | * @param array $out The output array of shortcode attributes. |
| 570 | * @param array $pairs The supported attributes and their defaults. |
| 571 | * @param array $atts The user defined shortcode attributes. |
| 572 | * @param string $shortcode The shortcode name. |
| 573 | */ |
| 574 | if ( $shortcode ) { |
| 575 | $out = apply_filters( "shortcode_atts_{$shortcode}", $out, $pairs, $atts, $shortcode ); |
| 576 | } |
| 577 | |
| 578 | return $out; |
| 579 | } |
| 580 | |
| 581 | /** |
| 582 | * Remove all shortcode tags from the given content. |
| 583 | * |
| 584 | * @since 2.5.0 |