Sends a JSON response back to an Ajax request, indicating success.

Parameters

$valuemixedoptional

Data to encode as JSON, then print and die.

Default:null

$status_codeintoptional

The HTTP status code to output.

Default:null

$flagsintoptional

Options to be passed to json_encode(). Default 0.

More Information

The response object will always have a success key with the value true. If anything is passed to the function it will be encoded as the value for a data key.

Example arrays such as the following are converted to JSON:

$response = array( 'success' => true );                   //if $data is empty
$response = array( 'success' => true, 'data' => $data );  //if $data is set

Source

function wp_send_json_success( $value = null, $status_code = null, $flags = 0 ) {
	$response = array( 'success' => true );

	if ( isset( $value ) ) {
		$response['data'] = $value;
	}

	wp_send_json( $response, $status_code, $flags );
}

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