Codex

Function Reference/check admin referer

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Description

Tests if the current request was referred from an admin page, or (given $action parameter) if the current request carries a valid nonce. Used to avoid security exploits.

Parameters

$action
(string) (defaults to int -1) Action nonce
Default: -1
$query_arg
(string) (optional) where to look for nonce in $_REQUEST (since 2.5)
Default: '_wpnonce'

Usage

 <?php check_admin_referer('bcn_admin_options'); ?> 

See also

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