WordPress开发手册:check_admin_referer()

函数原型

check_admin_referer( int|string $action = -1, string $query_arg = ‘_wpnonce’ ): int|false

函数描述

是否弃用

未弃用

函数参数

$action
int|string
Optional

The nonce action.

Default: -1

$query_arg
string
Optional

Key to check for nonce in $_REQUEST. Default '_wpnonce'.

Default: '_wpnonce'

函数返回值

函数位置

函数源码

function check_admin_referer( $action = -1, $query_arg = '_wpnonce' ) {
	if ( -1 === $action ) {
		_doing_it_wrong( __FUNCTION__, __( 'You should specify an action to be verified by using the first parameter.' ), '3.2.0' );
	}

	$adminurl = strtolower( admin_url() );
	$referer  = strtolower( wp_get_referer() );
	$result   = isset( $_REQUEST[ $query_arg ] ) ? wp_verify_nonce( $_REQUEST[ $query_arg ], $action ) : false;

	/**
	 * Fires once the admin request has been validated or not.
	 *
	 * @since 1.5.1
	 *
	 * @param string    $action The nonce action.
	 * @param false|int $result False if the nonce is invalid, 1 if the nonce is valid and generated between
	 *                          0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
	 */
	do_action( 'check_admin_referer', $action, $result );

	if ( ! $result && ! ( -1 === $action && strpos( $referer, $adminurl ) === 0 ) ) {
		wp_nonce_ays( $action );
		die();
	}

	return $result;
}

源码链接

WordPress
Github

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