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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 |
|---|---|
| 2091 | * Filter whether the plaintext password matches the encrypted password. |
| 2092 | * |
| 2093 | * @since 2.5.0 |
| 2094 | * |
| 2095 | * @param bool $check Whether the passwords match. |
| 2096 | * @param string $password The plaintext password. |
| 2097 | * @param string $hash The hashed password. |
| 2098 | * @param int $user_id User ID. |
| 2099 | */ |
| 2100 | return apply_filters( 'check_password', $check, $password, $hash, $user_id ); |
| 2101 | } |
| 2102 | |
| 2103 | // If the stored hash is longer than an MD5, presume the |
| 2104 | // new style phpass portable hash. |
| 2105 | if ( empty($wp_hasher) ) { |
| 2106 | require_once( ABSPATH . WPINC . '/class-phpass.php'); |
| 2107 | // By default, use the portable hash from phpass |
| 2108 | $wp_hasher = new PasswordHash(8, true); |
| 2109 | } |
| 2110 | |
| 2111 | $check = $wp_hasher->CheckPassword($password, $hash); |
| 2112 | |
| 2113 | /** This filter is documented in wp-includes/pluggable.php */ |
| 2114 | return apply_filters( 'check_password', $check, $password, $hash, $user_id ); |
| 2115 | } |
| 2116 | endif; |
| 2117 | |
| 2118 | if ( !function_exists('wp_generate_password') ) : |
| 2119 | /** |
| 2120 | * Generates a random password drawn from the defined set of characters. |
| 2121 | * |
| 2122 | * @since 2.5.0 |
| 2123 | * |