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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 |
|---|---|
| 545 | * @since 3.6.0 |
| 546 | * @since 4.4.0 Added the `$shortcode` parameter. |
| 547 | * |
| 548 | * @param array $out The output array of shortcode attributes. |
| 549 | * @param array $pairs The supported attributes and their defaults. |
| 550 | * @param array $atts The user defined shortcode attributes. |
| 551 | * @param string $shortcode The shortcode name. |
| 552 | */ |
| 553 | if ( $shortcode ) { |
| 554 | $out = apply_filters( "shortcode_atts_{$shortcode}", $out, $pairs, $atts, $shortcode ); |
| 555 | } |
| 556 | |
| 557 | return $out; |
| 558 | } |
| 559 | |
| 560 | /** |
| 561 | * Remove all shortcode tags from the given content. |
| 562 | * |
| 563 | * @since 2.5.0 |