Question

wp_send_json( mixed $response,  int $status_code = null )

Send a JSON response back to an Ajax request.

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description

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参数

$response

(mixed) (Required) Variable (usually an array or object) to encode as JSON, then print and die.

$status_code

(int) (Optional) The HTTP status code to output.

Default value: null

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源代码

File: wp-includes/functions.php

function wp_send_json( $response, $status_code = null ) {
	@header( 'Content-Type: application/json; charset=' . get_option( 'blog_charset' ) );
	if ( null !== $status_code ) {
		status_header( $status_code );
	}
	echo wp_json_encode( $response );

	if ( wp_doing_ajax() ) {
		wp_die( '', '', array(
			'response' => null,
		) );
	} else {
		die;
	}
}

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更新日志

Version	description
4.7.0	The $status_code parameter was added.
3.5.0	Introduced.

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相关函数

Uses

• wp-includes/load.php: wp_doing_ajax()
• wp-includes/functions.php: wp_json_encode()
• wp-includes/functions.php: wp_die()
• wp-includes/functions.php: status_header()
• wp-includes/option.php: get_option()

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Used By

• wp-admin/includes/ajax-actions.php: wp_ajax_heartbeat()
• wp-admin/includes/ajax-actions.php: wp_ajax_nopriv_heartbeat()
• wp-includes/functions.php: wp_send_json_success()
• wp-includes/functions.php: wp_send_json_error()

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User Contributed Notes