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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 |
|---|---|
| 1350 | $salt = wp_generate_password(64); |
| 1351 | update_option('nonce_salt', $salt); |
| 1352 | } |
| 1353 | } |
| 1354 | } else { |
| 1355 | // ensure each auth scheme has its own unique salt |
| 1356 | $salt = hash_hmac('md5', $scheme, $secret_key); |
| 1357 | } |
| 1358 | |
| 1359 | return apply_filters('salt', $secret_key . $salt, $scheme); |
| 1360 | } |
| 1361 | endif; |
| 1362 | |
| 1363 | if ( !function_exists('wp_hash') ) : |
| 1364 | /** |
| 1365 | * Get hash of given string. |
| 1366 | * |
| 1367 | * @since 2.0.3 |
| 1368 | * @uses wp_salt() Get WordPress salt |