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WPDB: Check that AUTH_SALT is not empty, Fix a PHP notice when AUTH_SALT is undefined.

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Props jsonfry, mkomar, pento.
Merges [42119] and [42120] to the 4.3 branch.
Fixes #42431 and #42401 for 4.3.


git-svn-id: https://develop.svn.wordpress.org/branches/4.3@42235 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Dion Hulse 2017-11-27 01:10:13 +00:00
parent c4d712b498
commit c60e988ffb
1 changed files with 1 additions and 1 deletions
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src/wp-includes/wp-db.php
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@ -1836,7 +1836,7 @@ class wpdb {
// If ext/hash is not present, compat.php's hash_hmac() does not support sha256.
$algo = function_exists( 'hash' ) ? 'sha256' : 'sha1';
// Old WP installs may not have AUTH_SALT defined.
$salt = defined( 'AUTH_SALT' ) ? AUTH_SALT : rand();
$salt = defined( 'AUTH_SALT' ) && AUTH_SALT ? AUTH_SALT : (string) rand();
$placeholder = '{' . hash_hmac( $algo, uniqid( $salt, true ), $salt ) . '}';
}