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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 |
|---|---|
| 88 | $user_email = $user_data->user_email; |
| 89 | |
| 90 | do_action('retreive_password', $user_login); // Misspelled and deprecated |
| 91 | do_action('retrieve_password', $user_login); |
| 92 | |
| 93 | $key = $wpdb->get_var("SELECT user_activation_key FROM $wpdb->users WHERE user_login = '$user_login'"); |
| 94 | if ( empty($key) ) { |
| 95 | // Generate something random for a key... |
| 96 | $key = wp_generate_password(); |
| 97 | do_action('retrieve_password_key', $user_login, $key); |
| 98 | // Now insert the new md5 key into the db |
| 99 | $wpdb->query("UPDATE $wpdb->users SET user_activation_key = '$key' WHERE user_login = '$user_login'"); |
| 100 | } |
| 101 | $message = __('Someone has asked to reset the password for the following site and username.') . "\r\n\r\n"; |
| 102 | $message .= get_option('siteurl') . "\r\n\r\n"; |
| 103 | $message .= sprintf(__('Username: %s'), $user_login) . "\r\n\r\n"; |
| 104 | $message .= __('To reset your password visit the following address, otherwise just ignore this email and nothing will happen.') . "\r\n\r\n"; |
| 105 | $message .= get_option('siteurl') . "/wp-login.php?action=rp&key=$key\r\n"; |
| 106 | |