WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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.
This hook occurs 2 times in this file.
| Line | Code | 
|---|---|
| 2248 |                /** | 
| 2249 |                 * Filters the WordPress salt. | 
| 2250 |                 * | 
| 2251 |                 * @since 2.5.0 | 
| 2252 |                 * | 
| 2253 |                 * @param string $cached_salt Cached salt for the given scheme. | 
| 2254 |                 * @param string $scheme      Authentication scheme. Values include 'auth', | 
| 2255 |                 *                            'secure_auth', 'logged_in', and 'nonce'. | 
| 2256 |                 */ | 
| 2257 |                return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme ); | 
| 2258 |           } | 
| 2259 |  | 
| 2260 |           static $duplicated_keys; | 
| 2261 |           if ( null === $duplicated_keys ) { | 
| 2262 |                $duplicated_keys = array( 'put your unique phrase here' => true ); | 
| 2263 |                foreach ( array( 'AUTH', 'SECURE_AUTH', 'LOGGED_IN', 'NONCE', 'SECRET' ) as $first ) { | 
| 2264 |                     foreach ( array( 'KEY', 'SALT' ) as $second ) { | 
| 2265 |                          if ( ! defined( "{$first}_{$second}" ) ) { | 
| 2266 |                               continue; | 
| Line | Code | 
| 2303 |                          update_site_option( 'secret_key', $values['key'] ); | 
| 2304 |                     } | 
| 2305 |                } | 
| 2306 |                $values['salt'] = hash_hmac( 'md5', $scheme, $values['key'] ); | 
| 2307 |           } | 
| 2308 |  | 
| 2309 |           $cached_salts[ $scheme ] = $values['key'] . $values['salt']; | 
| 2310 |  | 
| 2311 |           /** This filter is documented in wp-includes/pluggable.php */ | 
| 2312 |           return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme ); | 
| 2313 |      } | 
| 2314 | endif; | 
| 2315 |  | 
| 2316 | if ( ! function_exists( 'wp_hash' ) ) : | 
| 2317 |      /** | 
| 2318 |       * Get hash of given string. | 
| 2319 |       * | 
| 2320 |       * @since 2.0.3 | 
| 2321 |       * |