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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 |
---|---|
1448 | // If the hash is still md5... |
1449 | if ( strlen($hash) <= 32 ) { |
1450 | $check = ( $hash == md5($password) ); |
1451 | if ( $check && $user_id ) { |
1452 | // Rehash using new hash. |
1453 | wp_set_password($password, $user_id); |
1454 | $hash = wp_hash_password($password); |
1455 | } |
1456 |
|
1457 | return apply_filters('check_password', $check, $password, $hash, $user_id); |
1458 | } |
1459 |
|
1460 | // If the stored hash is longer than an MD5, presume the |
1461 | // new style phpass portable hash. |
1462 | if ( empty($wp_hasher) ) { |
1463 | require_once( ABSPATH . 'wp-includes/class-phpass.php'); |
1464 | // By default, use the portable hash from phpass |
1465 | $wp_hasher = new PasswordHash(8, true); |
1466 | } |
1467 |
|
1468 | $check = $wp_hasher->CheckPassword($password, $hash); |
1469 |
|
1470 | return apply_filters('check_password', $check, $password, $hash, $user_id); |
1471 | } |
1472 | endif; |
1473 |
|
1474 | if ( !function_exists('wp_generate_password') ) : |
1475 | /** |
1476 | * Generates a random password drawn from the defined set of characters. |
1477 | * |
1478 | * @since 2.5 |
1479 | * |