晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 sh-3ll

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sh-3ll 1.0
DIR:/proc/thread-self/root/proc/self/root/var/softaculous/yourls/
Upload File :
Current File : //proc/thread-self/root/proc/self/root/var/softaculous/yourls/orig_upgrade.php
<?php
define( 'YOURLS_ADMIN', true );
define( 'YOURLS_UPGRADING', true );
require_once( dirname( __DIR__ ).'/includes/load-yourls.php' );
yourls_maybe_require_auth();

yourls_html_head( 'upgrade', yourls__( 'Upgrade YOURLS' ) );
yourls_html_logo();
yourls_html_menu();
?>
        <h2><?php yourls_e( 'Upgrade YOURLS' ); ?></h2>
<?php

// Check if upgrade is needed
if ( !yourls_upgrade_is_needed() ) {
    echo '<p>' . yourls_s( 'Upgrade not required. Go <a href="%s">back to play</a>!', yourls_admin_url('index.php') ) . '</p>';


} else {
    /*
    step 1: create new tables and populate them, update old tables structure,
    step 2: convert each row of outdated tables if needed
    step 3: - if applicable finish updating outdated tables (indexes etc)
            - update version & db_version in options, this is all done!
    */

    // From what are we upgrading?
    if ( isset( $_GET['oldver'] ) && isset( $_GET['oldsql'] ) ) {
        $oldver = yourls_sanitize_version($_GET['oldver']);
        $oldsql = intval($_GET['oldsql']);
    } else {
        list( $oldver, $oldsql ) = yourls_get_current_version_from_sql();
    }

    // To what are we upgrading ?
    $newver = YOURLS_VERSION;
    $newsql = YOURLS_DB_VERSION;

    // Verbose & ugly details
    yourls_debug_mode(true);

    // Let's go
    $step = ( isset( $_GET['step'] ) ? intval( $_GET['step'] ) : 0 );
    switch( $step ) {

        default:
        case 0:
            ?>
            <p><?php yourls_e( 'Your current installation needs to be upgraded.' ); ?></p>
            <p><?php yourls_e( 'Please, pretty please, it is recommended that you <strong>backup</strong> your database<br/>(you should do this regularly anyway)' ); ?></p>
            <p><?php yourls_e( "Nothing awful <em>should</em> happen, but this doesn't mean it <em>won't</em> happen, right? ;)" ); ?></p>
            <p><?php yourls_e( "On every step, if <span class='error'>something goes wrong</span>, you'll see a message and hopefully a way to fix." ); ?></p>
            <p><?php yourls_e( 'If everything goes too fast and you cannot read, <span class="success">good for you</span>, let it go :)' ); ?></p>
            <p><?php yourls_e( 'Once you are ready, press "Upgrade" !' ); ?></p>
            <?php
            echo "
            <form action='upgrade.php?' method='get'>
            <input type='hidden' name='step' value='1' />
            <input type='hidden' name='oldver' value='$oldver' />
            <input type='hidden' name='newver' value='$newver' />
            <input type='hidden' name='oldsql' value='$oldsql' />
            <input type='hidden' name='newsql' value='$newsql' />
            <input type='submit' class='primary' value='" . yourls_esc_attr__( 'Upgrade' ) . "' />
            </form>";

            break;

        case 1:
        case 2:
            $upgrade = yourls_upgrade( $step, $oldver, $newver, $oldsql, $newsql );
            break;

        case 3:
            $upgrade = yourls_upgrade( 3, $oldver, $newver, $oldsql, $newsql );
            echo '<p>' . yourls__( 'Your installation is now up to date ! ' ) . '</p>';
            echo '<p>' . yourls_s( 'Go back to <a href="%s">the admin interface</a>', yourls_admin_url('index.php') ) . '</p>';
    }

}

?>

<?php yourls_html_footer(); ?>