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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 |
|---|---|
| 1313 | $salt = wp_generate_password(64); |
| 1314 | update_option('nonce_salt', $salt); |
| 1315 | } |
| 1316 | } |
| 1317 | } else { |
| 1318 | // ensure each auth scheme has its own unique salt |
| 1319 | $salt = hash_hmac('md5', $scheme, $secret_key); |
| 1320 | } |
| 1321 | |
| 1322 | return apply_filters('salt', $secret_key . $salt, $scheme); |
| 1323 | } |
| 1324 | endif; |
| 1325 | |
| 1326 | if ( !function_exists('wp_hash') ) : |
| 1327 | /** |
| 1328 | * Get hash of given string. |
| 1329 | * |
| 1330 | * @since 2.0.3 |
| 1331 | * @uses wp_salt() Get WordPress salt |