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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 |
|---|---|
| 2027 | * Filter whether the plaintext password matches the encrypted password. |
| 2028 | * |
| 2029 | * @since 2.5.0 |
| 2030 | * |
| 2031 | * @param bool $check Whether the passwords match. |
| 2032 | * @param string $password The plaintext password. |
| 2033 | * @param string $hash The hashed password. |
| 2034 | * @param int $user_id User ID. |
| 2035 | */ |
| 2036 | return apply_filters( 'check_password', $check, $password, $hash, $user_id ); |
| 2037 | } |
| 2038 | |
| 2039 | // If the stored hash is longer than an MD5, presume the |
| 2040 | // new style phpass portable hash. |
| 2041 | if ( empty($wp_hasher) ) { |
| 2042 | require_once( ABSPATH . WPINC . '/class-phpass.php'); |
| 2043 | // By default, use the portable hash from phpass |
| 2044 | $wp_hasher = new PasswordHash(8, true); |
| 2045 | } |
| 2046 | |
| 2047 | $check = $wp_hasher->CheckPassword($password, $hash); |
| 2048 | |
| 2049 | /** This filter is documented in wp-includes/pluggable.php */ |
| 2050 | return apply_filters( 'check_password', $check, $password, $hash, $user_id ); |
| 2051 | } |
| 2052 | endif; |
| 2053 | |
| 2054 | if ( !function_exists('wp_generate_password') ) : |
| 2055 | /** |
| 2056 | * Generates a random password drawn from the defined set of characters. |
| 2057 | * |
| 2058 | * @since 2.5.0 |
| 2059 | * |