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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 |
---|---|
1673 | require_once ABSPATH . WPINC . '/functions.php'; |
1674 | } |
1675 |
|
1676 | $jsonp_callback = $_GET['_jsonp']; |
1677 | if ( ! wp_check_jsonp_callback( $jsonp_callback ) ) { |
1678 | return false; |
1679 | } |
1680 |
|
1681 | /** This filter is documented in wp-includes/rest-api/class-wp-rest-server.php */ |
1682 | $jsonp_enabled = apply_filters( 'rest_jsonp_enabled', true ); |
1683 |
|
1684 | return $jsonp_enabled; |
1685 |
|
1686 | } |
1687 |
|
1688 | /** |
1689 | * Checks whether a string is a valid JSON Media Type. |
1690 | * |
1691 | * @since 5.6.0 |