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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 |
|---|---|
| 2661 | * Filters whether the plaintext password matches the encrypted password. |
| 2662 | * |
| 2663 | * @since 2.5.0 |
| 2664 | * |
| 2665 | * @param bool $check Whether the passwords match. |
| 2666 | * @param string $password The plaintext password. |
| 2667 | * @param string $hash The hashed password. |
| 2668 | * @param string|int $user_id User ID. Can be empty. |
| 2669 | */ |
| 2670 | return apply_filters( 'check_password', $check, $password, $hash, $user_id ); |
| 2671 | } |
| 2672 | |
| 2673 | /* |
| 2674 | * If the stored hash is longer than an MD5, |
| 2675 | * presume the new style phpass portable hash. |
| 2676 | */ |
| 2677 | if ( empty( $wp_hasher ) ) { |
| 2678 | require_once ABSPATH . WPINC . '/class-phpass.php'; |
| 2679 | // By default, use the portable hash from phpass. |
| 2680 | $wp_hasher = new PasswordHash( 8, true ); |
| 2681 | } |
| 2682 | |
| 2683 | $check = $wp_hasher->CheckPassword( $password, $hash ); |
| 2684 | |
| 2685 | /** This filter is documented in wp-includes/pluggable.php */ |
| 2686 | return apply_filters( 'check_password', $check, $password, $hash, $user_id ); |
| 2687 | } |
| 2688 | endif; |
| 2689 | |
| 2690 | if ( ! function_exists( 'wp_generate_password' ) ) : |
| 2691 | /** |
| 2692 | * Generates a random password drawn from the defined set of characters. |
| 2693 | * |
| 2694 | * Uses wp_rand() to create passwords with far less predictability |
| 2695 | * than similar native PHP functions like `rand()` or `mt_rand()`. |