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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 1371 | $salt = wp_generate_password( 64, true, true ); |
| 1372 | update_site_option('nonce_salt', $salt); |
| 1373 | } |
| 1374 | } |
| 1375 | } else { |
| 1376 | // ensure each auth scheme has its own unique salt |
| 1377 | $salt = hash_hmac('md5', $scheme, $secret_key); |
| 1378 | } |
| 1379 | |
| 1380 | return apply_filters('salt', $secret_key . $salt, $scheme); |
| 1381 | } |
| 1382 | endif; |
| 1383 | |
| 1384 | if ( !function_exists('wp_hash') ) : |
| 1385 | /** |
| 1386 | * Get hash of given string. |
| 1387 | * |
| 1388 | * @since 2.0.3 |
| 1389 | * @uses wp_salt() Get WordPress salt |