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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.
| Line | Code |
|---|---|
| 100 | if ( empty( $errors ) ) { |
| 101 | $user_data = get_userdatabylogin(trim($_POST['user_login'])); |
| 102 | // redefining user_login ensures we return the right case in the email |
| 103 | $user_login = $user_data->user_login; |
| 104 | $user_email = $user_data->user_email; |
| 105 | |
| 106 | if (!$user_email || $user_email != $_POST['user_email']) { |
| 107 | $errors['invalidcombo'] = __('<strong>ERROR</strong>: Invalid username / e-mail combination.'); |
| 108 | } else { |
| 109 | do_action('retreive_password', $user_login); // Misspelled and deprecated |
| 110 | do_action('retrieve_password', $user_login); |
| 111 | |
| 112 | // Generate something random for a password... md5'ing current time with a rand salt |
| 113 | $key = substr( md5( uniqid( microtime() ) ), 0, 8); |
| 114 | // Now insert the new pass md5'd into the db |
| 115 | $wpdb->query("UPDATE $wpdb->users SET user_activation_key = '$key' WHERE user_login = '$user_login'"); |
| 116 | $message = __('Someone has asked to reset the password for the following site and username.') . "\r\n\r\n"; |
| 117 | $message .= get_option('siteurl') . "\r\n\r\n"; |
| 118 | $message .= sprintf(__('Username: %s'), $user_login) . "\r\n\r\n"; |