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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 2250 | * Filters whether the plaintext password matches the encrypted password. |
| 2251 | * |
| 2252 | * @since 2.5.0 |
| 2253 | * |
| 2254 | * @param bool $check Whether the passwords match. |
| 2255 | * @param string $password The plaintext password. |
| 2256 | * @param string $hash The hashed password. |
| 2257 | * @param string|int $user_id User ID. Can be empty. |
| 2258 | */ |
| 2259 | return apply_filters( 'check_password', $check, $password, $hash, $user_id ); |
| 2260 | } |
| 2261 | |
| 2262 | // If the stored hash is longer than an MD5, presume the |
| 2263 | // new style phpass portable hash. |
| 2264 | if ( empty($wp_hasher) ) { |
| 2265 | require_once( ABSPATH . WPINC . '/class-phpass.php'); |
| 2266 | // By default, use the portable hash from phpass |
| 2267 | $wp_hasher = new PasswordHash(8, true); |
| 2268 | } |
| 2269 | |
| 2270 | $check = $wp_hasher->CheckPassword($password, $hash); |
| 2271 | |
| 2272 | /** This filter is documented in wp-includes/pluggable.php */ |
| 2273 | return apply_filters( 'check_password', $check, $password, $hash, $user_id ); |
| 2274 | } |
| 2275 | endif; |
| 2276 | |
| 2277 | if ( !function_exists('wp_generate_password') ) : |
| 2278 | /** |
| 2279 | * Generates a random password drawn from the defined set of characters. |
| 2280 | * |
| 2281 | * @since 2.5.0 |
| 2282 | * |