diff --git a/functions-install.php b/functions-install.php
deleted file mode 100644
index 2ccd118..0000000
--- a/functions-install.php
+++ /dev/null
@@ -1,351 +0,0 @@
-mysql_version());
-}
-
-/**
- * Check if PHP > 7.2
- *
- * As of 1.8 we advertise YOURLS as being 7.4+ but it should work on 7.2 (although untested)
- * so we don't want to strictly enforce a limitation that may not be necessary.
- *
- * @return bool
- */
-function yourls_check_php_version() {
- return version_compare( PHP_VERSION, '7.2.0', '>=' );
-}
-
-/**
- * Check if server is an Apache
- *
- * @return bool
- */
-function yourls_is_apache() {
- if( !array_key_exists( 'SERVER_SOFTWARE', $_SERVER ) )
- return false;
- return (
- strpos( $_SERVER['SERVER_SOFTWARE'], 'Apache' ) !== false
- || strpos( $_SERVER['SERVER_SOFTWARE'], 'LiteSpeed' ) !== false
- );
-}
-
-/**
- * Check if server is running IIS
- *
- * @return bool
- */
-function yourls_is_iis() {
- return ( array_key_exists( 'SERVER_SOFTWARE', $_SERVER ) ? ( strpos( $_SERVER['SERVER_SOFTWARE'], 'IIS' ) !== false ) : false );
-}
-
-
-/**
- * Create .htaccess or web.config. Returns boolean
- *
- * @return bool
- */
-function yourls_create_htaccess() {
- $host = parse_url( yourls_get_yourls_site() );
- $path = ( isset( $host['path'] ) ? $host['path'] : '' );
-
- if ( yourls_is_iis() ) {
- // Prepare content for a web.config file
- $content = array(
- '',
- '',
- ' ',
- ' ',
- ' ',
- ' ',
- ' ',
- ' ',
- ' ',
- ' ',
- ' ',
- ' ',
- ' ',
- ' ',
- ' ',
- ' ',
- ' ',
- ' ',
- ' ',
- '',
- );
-
- $filename = YOURLS_ABSPATH.'/web.config';
- $marker = 'none';
-
- } else {
- // Prepare content for a .htaccess file
- $content = array(
- '',
- 'RewriteEngine On',
- 'RewriteBase '.$path.'/',
- 'RewriteCond %{REQUEST_FILENAME} !-f',
- 'RewriteCond %{REQUEST_FILENAME} !-d',
- 'RewriteRule ^.*$ '.$path.'/yourls-loader.php [L]',
- '',
- );
-
- $filename = YOURLS_ABSPATH.'/.htaccess';
- $marker = 'YOURLS';
-
- }
-
- return ( yourls_insert_with_markers( $filename, $marker, $content ) );
-}
-
-/**
- * Insert text into a file between BEGIN/END markers, return bool. Stolen from WP
- *
- * Inserts an array of strings into a file (eg .htaccess ), placing it between
- * BEGIN and END markers. Replaces existing marked info. Retains surrounding
- * data. Creates file if none exists.
- *
- * @since 1.3
- *
- * @param string $filename
- * @param string $marker
- * @param array $insertion
- * @return bool True on write success, false on failure.
- */
-function yourls_insert_with_markers( $filename, $marker, $insertion ) {
- if ( !file_exists( $filename ) || is_writeable( $filename ) ) {
- if ( !file_exists( $filename ) ) {
- $markerdata = '';
- } else {
- $markerdata = explode( "\n", implode( '', file( $filename ) ) );
- }
-
- if ( !$f = @fopen( $filename, 'w' ) )
- return false;
-
- $foundit = false;
- if ( $markerdata ) {
- $state = true;
- foreach ( $markerdata as $n => $markerline ) {
- if ( strpos( $markerline, '# BEGIN ' . $marker ) !== false )
- $state = false;
- if ( $state ) {
- if ( $n + 1 < count( $markerdata ) )
- fwrite( $f, "{$markerline}\n" );
- else
- fwrite( $f, "{$markerline}" );
- }
- if ( strpos( $markerline, '# END ' . $marker ) !== false ) {
- if ( $marker != 'none' )
- fwrite( $f, "# BEGIN {$marker}\n" );
- if ( is_array( $insertion ) )
- foreach ( $insertion as $insertline )
- fwrite( $f, "{$insertline}\n" );
- if ( $marker != 'none' )
- fwrite( $f, "# END {$marker}\n" );
- $state = true;
- $foundit = true;
- }
- }
- }
- if ( !$foundit ) {
- if ( $marker != 'none' )
- fwrite( $f, "\n\n# BEGIN {$marker}\n" );
- foreach ( $insertion as $insertline )
- fwrite( $f, "{$insertline}\n" );
- if ( $marker != 'none' )
- fwrite( $f, "# END {$marker}\n\n" );
- }
- fclose( $f );
- return true;
- } else {
- return false;
- }
-}
-
-/**
- * Create MySQL tables. Return array( 'success' => array of success strings, 'errors' => array of error strings )
- *
- * @since 1.3
- * @return array An array like array( 'success' => array of success strings, 'errors' => array of error strings )
- */
-function yourls_create_sql_tables() {
- // Allow plugins (most likely a custom db.php layer in user dir) to short-circuit the whole function
- $pre = yourls_apply_filter( 'shunt_yourls_create_sql_tables', null );
- // your filter function should return an array of ( 'success' => $success_msg, 'error' => $error_msg ), see below
- if ( null !== $pre ) {
- return $pre;
- }
-
- $ydb = yourls_get_db();
-
- $error_msg = array();
- $success_msg = array();
-
- // Create Table Query
- $create_tables = array();
- $create_tables[YOURLS_DB_TABLE_URL] =
- 'CREATE TABLE IF NOT EXISTS `'.YOURLS_DB_TABLE_URL.'` ('.
- '`keyword` varchar(100) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL DEFAULT "",'.
- '`url` text CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL,'.
- '`title` text COLLATE utf8mb4_unicode_ci DEFAULT NULL,'.
- '`timestamp` timestamp NOT NULL DEFAULT current_timestamp(),'.
- '`ip` varchar(41) COLLATE utf8mb4_unicode_ci NOT NULL,'.
- '`clicks` int(10) unsigned NOT NULL,'.
- 'PRIMARY KEY (`keyword`),'.
- 'KEY `ip` (`ip`),'.
- 'KEY `timestamp` (`timestamp`)'.
- ') DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;';
-
- $create_tables[YOURLS_DB_TABLE_OPTIONS] =
- 'CREATE TABLE IF NOT EXISTS `'.YOURLS_DB_TABLE_OPTIONS.'` ('.
- '`option_id` bigint(20) unsigned NOT NULL auto_increment,'.
- '`option_name` varchar(64) COLLATE utf8mb4_unicode_ci NOT NULL default "",'.
- '`option_value` longtext COLLATE utf8mb4_unicode_ci NOT NULL,'.
- 'PRIMARY KEY (`option_id`,`option_name`),'.
- 'KEY `option_name` (`option_name`)'.
- ') AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;';
-
- $create_tables[YOURLS_DB_TABLE_LOG] =
- 'CREATE TABLE IF NOT EXISTS `'.YOURLS_DB_TABLE_LOG.'` ('.
- '`click_id` int(11) NOT NULL auto_increment,'.
- '`click_time` datetime NOT NULL,'.
- '`shorturl` varchar(100) BINARY NOT NULL,'.
- '`referrer` varchar(200) NOT NULL,'.
- '`user_agent` varchar(255) NOT NULL,'.
- '`ip_address` varchar(41) NOT NULL,'.
- '`country_code` char(2) NOT NULL,'.
- 'PRIMARY KEY (`click_id`),'.
- 'KEY `shorturl` (`shorturl`)'.
- ') AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;';
-
-
- $create_table_count = 0;
-
- yourls_debug_mode(true);
-
- // Create tables
- foreach ( $create_tables as $table_name => $table_query ) {
- $ydb->perform( $table_query );
- $create_success = $ydb->fetchAffected( "SHOW TABLES LIKE '$table_name'" );
- if( $create_success ) {
- $create_table_count++;
- $success_msg[] = yourls_s( "Table '%s' created.", $table_name );
- } else {
- $error_msg[] = yourls_s( "Error creating table '%s'.", $table_name );
- }
- }
-
- // Initializes the option table
- if( !yourls_initialize_options() )
- $error_msg[] = yourls__( 'Could not initialize options' );
-
- // Insert sample links
- if( !yourls_insert_sample_links() )
- $error_msg[] = yourls__( 'Could not insert sample short URLs' );
-
- // Check results of operations
- if ( sizeof( $create_tables ) == $create_table_count ) {
- $success_msg[] = yourls__( 'YOURLS tables successfully created.' );
- } else {
- $error_msg[] = yourls__( 'Error creating YOURLS tables.' );
- }
-
- return array( 'success' => $success_msg, 'error' => $error_msg );
-}
-
-/**
- * Initializes the option table
- *
- * Each yourls_update_option() returns either true on success (option updated) or false on failure (new value == old value, or
- * for some reason it could not save to DB).
- * Since true & true & true = 1, we cast it to boolean type to return true (or false)
- *
- * @since 1.7
- * @return bool
- */
-function yourls_initialize_options() {
- return ( bool ) (
- yourls_update_option( 'version', YOURLS_VERSION )
- & yourls_update_option( 'db_version', YOURLS_DB_VERSION )
- & yourls_update_option( 'next_id', 1 )
- & yourls_update_option( 'active_plugins', array() )
- );
-}
-
-/**
- * Populates the URL table with a few sample links
- *
- * @since 1.7
- * @return bool
- */
-function yourls_insert_sample_links() {
- $link1 = yourls_add_new_link( 'https://blog.yourls.org/', 'yourlsblog', 'YOURLS\' Blog' );
- $link2 = yourls_add_new_link( 'https://yourls.org/', 'yourls', 'YOURLS: Your Own URL Shortener' );
- $link3 = yourls_add_new_link( 'https://ozh.org/', 'ozh', 'ozh.org' );
- return ( bool ) (
- $link1['status'] == 'success'
- & $link2['status'] == 'success'
- & $link3['status'] == 'success'
- );
-}
-
-
-/**
- * Toggle maintenance mode. Inspired from WP. Returns true for success, false otherwise
- *
- * @param bool $maintenance True to enable, false to disable
- * @return bool True on success, false on failure
- */
-function yourls_maintenance_mode( $maintenance = true ) {
-
- $file = YOURLS_ABSPATH . '/.maintenance' ;
-
- // Turn maintenance mode on : create .maintenance file
- if ( (bool)$maintenance ) {
- if ( ! ( $fp = @fopen( $file, 'w' ) ) )
- return false;
-
- $maintenance_string = '';
- @fwrite( $fp, $maintenance_string );
- @fclose( $fp );
- @chmod( $file, 0644 ); // Read and write for owner, read for everybody else
-
- // Not sure why the fwrite would fail if the fopen worked... Just in case
- return( is_readable( $file ) );
-
- // Turn maintenance mode off : delete the .maintenance file
- } else {
- return @unlink($file);
- }
-}