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Introduce wp_send_json() to json-encode a variable, print it, and die, for Ajax requests. Effectively replaces WP_Ajax_Response, which was an XML-based response. 

Introduce wp_send_json_success() and wp_send_json_error(), which will allow us to fire appropriate done() or fail() callbacks in JS.

props koopersmith. see #21390.



git-svn-id: http://core.svn.wordpress.org/trunk@21679 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Andrew Nacin 2012-08-31 01:56:00 +00:00
parent e286612fda
commit c8a328f100
1 changed files with 50 additions and 2 deletions
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48
wp-includes/functions.php
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@ -2142,6 +2142,54 @@ function _scalar_wp_die_handler( $message = '' ) {
die();
}
/**
* Send a JSON response back to an Ajax request.
*
* @since 3.5.0
*
* @param mixed $response Variable (usually an array or object) to encode as JSON, then print and die.
*/
function wp_send_json( $response ) {
@header( 'Content-Type: application/json; charset=' . get_option( 'blog_charset' ) );
echo json_encode( $json );
if ( defined( 'DOING_AJAX' ) && DOING_AJAX )
wp_die();
else
die;
}
/**
* Send a JSON response back to an Ajax request, indicating success.
*
* @since 3.5.0
*
* @param mixed $data Data to encode as JSON, then print and die.
*/
function wp_send_json_success( $data = null ) {
$response = array( 'success' => true );
if ( isset( $data ) )
$response['data'] = $data;
wp_send_json( $response );
}
/**
* Send a JSON response back to an Ajax request, indicating failure.
*
* @since 3.5.0
*
* @param mixed $data Data to encode as JSON, then print and die.
*/
function wp_send_json_error( $data = null ) {
$response = array( 'success' => false );
if ( isset( $data ) )
$response['data'] = $data;
wp_send_json( $response );
}
/**
* Retrieve the WordPress home page URL.
*