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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 |
|---|---|
| 1992 | * Filter whether the plaintext password matches the encrypted password. |
| 1993 | * |
| 1994 | * @since 2.5.0 |
| 1995 | * |
| 1996 | * @param bool $check Whether the passwords match. |
| 1997 | * @param string $password The plaintext password. |
| 1998 | * @param string $hash The hashed password. |
| 1999 | * @param int $user_id User ID. |
| 2000 | */ |
| 2001 | return apply_filters( 'check_password', $check, $password, $hash, $user_id ); |
| 2002 | } |
| 2003 | |
| 2004 | // If the stored hash is longer than an MD5, presume the |
| 2005 | // new style phpass portable hash. |
| 2006 | if ( empty($wp_hasher) ) { |
| 2007 | require_once( ABSPATH . WPINC . '/class-phpass.php'); |
| 2008 | // By default, use the portable hash from phpass |
| 2009 | $wp_hasher = new PasswordHash(8, true); |
| 2010 | } |
| 2011 | |
| 2012 | $check = $wp_hasher->CheckPassword($password, $hash); |
| 2013 | |
| 2014 | /** This filter is documented in wp-includes/pluggable.php */ |
| 2015 | return apply_filters( 'check_password', $check, $password, $hash, $user_id ); |
| 2016 | } |
| 2017 | endif; |
| 2018 | |
| 2019 | if ( !function_exists('wp_generate_password') ) : |
| 2020 | /** |
| 2021 | * Generates a random password drawn from the defined set of characters. |
| 2022 | * |
| 2023 | * @since 2.5.0 |
| 2024 | * |