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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 |
---|---|
1708 | require_once ABSPATH . WPINC . '/functions.php'; |
1709 | } |
1710 |
|
1711 | $jsonp_callback = $_GET['_jsonp']; |
1712 | if ( ! wp_check_jsonp_callback( $jsonp_callback ) ) { |
1713 | return false; |
1714 | } |
1715 |
|
1716 | /** This filter is documented in wp-includes/rest-api/class-wp-rest-server.php */ |
1717 | $jsonp_enabled = apply_filters( 'rest_jsonp_enabled', true ); |
1718 |
|
1719 | return $jsonp_enabled; |
1720 |
|
1721 | } |
1722 |
|
1723 | /** |
1724 | * Checks whether a string is a valid JSON Media Type. |
1725 | * |
1726 | * @since 5.6.0 |