deleteSetting() public méthode

public deleteSetting ( $name )
function upgrade()
{
    require_once $_SERVER['DOCUMENT_ROOT'] . DIRECTORY_SEPARATOR . "classes" . DIRECTORY_SEPARATOR . "common.class.php";
    $common = new common();
    try {
        // Remove the dump1090-fa map selection setting.
        $common->deleteSetting('useDump1090FaMap');
        // Update the version and patch settings..
        $common->updateSetting("version", "2.4.0");
        $common->updateSetting("patch", "");
        // The upgrade process completed successfully.
        $results['success'] = TRUE;
        $results['message'] = "Upgrade to v2.4.0 successful.";
        return $results;
    } catch (Exception $e) {
        // Something went wrong during this upgrade process.
        $results['success'] = FALSE;
        $results['message'] = $e->getMessage();
        return $results;
    }
}
function upgrade()
{
    require_once $_SERVER['DOCUMENT_ROOT'] . DIRECTORY_SEPARATOR . "classes" . DIRECTORY_SEPARATOR . "common.class.php";
    require_once $_SERVER['DOCUMENT_ROOT'] . DIRECTORY_SEPARATOR . "classes" . DIRECTORY_SEPARATOR . "settings.class.php";
    $common = new common();
    $settings = new settings();
    try {
        if ($settings::db_driver == "xml") {
            // Create XML files used to store links data.
            $xml = new XMLWriter();
            $xml->openMemory();
            $xml->setIndent(true);
            $xml->startDocument('1.0', 'UTF-8');
            $xml->startElement("links");
            $xml->endElement();
            file_put_contents($_SERVER['DOCUMENT_ROOT'] . DIRECTORY_SEPARATOR . "data" . DIRECTORY_SEPARATOR . "links.xml", $xml->flush(true));
        }
        if ($settings::db_driver == "mysql") {
            $dbh = $common->pdoOpen();
            // Add the links table.
            $sql = "CREATE TABLE " . $settings::db_prefix . "links(id INT(11) AUTO_INCREMENT PRIMARY KEY, name VARCHAR(100) NOT NULL, address VARCHAR(250) NOT NULL);";
            $sth = $dbh->prepare($sql);
            $sth->execute();
            $sth = NULL;
            $dbh = NULL;
        }
        if ($settings::db_driver == "sqlite") {
            // Create a new settings.class.php file adding the path to the SQLite database as the value for the db_host constant.
            $content = <<<EOF
<?php

    /////////////////////////////////////////////////////////////////////////////////////
    //                            ADS-B RECEIVER PORTAL                                //
    // =============================================================================== //
    // Copyright and Licensing Information:                                            //
    //                                                                                 //
    // The MIT License (MIT)                                                           //
    //                                                                                 //
    // Copyright (c) 2015-2016 Joseph A. Prochazka                                     //
    //                                                                                 //
    // Permission is hereby granted, free of charge, to any person obtaining a copy    //
    // of this software and associated documentation files (the "Software"), to deal   //
    // in the Software without restriction, including without limitation the rights    //
    // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell       //
    // copies of the Software, and to permit persons to whom the Software is           //
    // furnished to do so, subject to the following conditions:                        //
    //                                                                                 //
    // The above copyright notice and this permission notice shall be included in all  //
    // copies or substantial portions of the Software.                                 //
    //                                                                                 //
    // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR      //
    // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,        //
    // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE     //
    // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER          //
    // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,   //
    // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE   //
    // SOFTWARE.                                                                       //
    /////////////////////////////////////////////////////////////////////////////////////

    class settings {
        // Database Settings
        const db_driver = 'sqlite';
        const db_database = '';
        const db_username = '';
        const db_password = '';
        const db_host = '/var/www/html/data/portal.sqlite';
        const db_prefix = 'adsb_';

        // Security Settings
        const sec_length = 6;

        // PDO Settings
        const pdo_debug = TRUE;
    }

?>
EOF;
            file_put_contents($_SERVER['DOCUMENT_ROOT'] . DIRECTORY_SEPARATOR . "classes" . DIRECTORY_SEPARATOR . "settings.class.php", $content);
            // Open a connection to the database.
            $dbh = $common->pdoOpen();
            // Add the links table.
            $sql = "CREATE TABLE " . $settings::db_prefix . "links(INTEGER PRIMARY KEY, name TEXT NOT NULL, address TEXT NOT NULL);";
            $sth = $dbh->prepare($sql);
            $sth->execute();
            $sth = NULL;
            $dbh = NULL;
        }
        // Rename the enableFlightNotifications to enableWebNotifications.
        $enableWebNotifications = $common->getSetting('enableFlightNotifications');
        $common->addSetting('enableWebNotifications', $enableWebNotifications);
        $common->deleteSetting('enableFlightNotifications');
        // Add Google Maps API Key setting.
        $common->addSetting('googleMapsApiKey', '');
        // Add enable custom links setting.
        $common->addSetting('enableLinks', FALSE);
        // Update the version and patch settings..
        $common->updateSetting("version", "2.5.0");
        $common->updateSetting("patch", "");
        // The upgrade process completed successfully.
        $results['success'] = TRUE;
        $results['message'] = "Upgrade to v2.5.0 successful.";
        return $results;
    } catch (Exception $e) {
        // Something went wrong during this upgrade process.
        $results['success'] = FALSE;
        $results['message'] = $e->getMessage();
        return $results;
    }
}