Delete all files from a given FTP directory using PHP

DeleteAllFilesFromFtpDir.php

<?php

class ftpDelete {

	const TEMP_DIRECTORY = '/Temp';
	
	const PASSIVE = true;
	const ACTIVE = false;
	
	private $connection;
	private $loggedIn = false;
	
	public function __construct( $server, $username, $password, $mode ) {
		$this->connection = ftp_connect( $server );

		$this->loggedIn = ftp_login( $this->connection, $username, $password );	
		if ( $this->loggedIn ) {
			ftp_pasv ( $this->connection , $mode );
		}
	}
	
	public function deleteAllFromDirectory( $directory ) {
		if ( !$this->loggedIn ) {
			return false;
		}	
		$fileList = ftp_nlist( $this->connection, $directory );
		if( $fileList === false ) {
			return false;
		}
		foreach( $fileList as $fileToRemove ) {
			$this->deleteFile( $this->appendTrailingSlash( $directory ) . $fileToRemove );
		}
		return true;
	}
	
	private function appendTrailingSlash( $directory ) {
		return preg_replace( '@([^/])$@', '\1/', $directory );
	}
	
	private function deleteFile( $filename ) {
		if ( !$this->loggedIn ) {
			return false;
		}
		if ( ftp_delete( $this->connection, $filename ) ) {
			return true;
		} 
		return false;
	}
	
	public function closeConnection() {
		if ( !$this->connection ) {
			return;
		}
		ftp_close( $this->connection );	
	}
}

$ftp = new ftpDelete( 'ftp.server.address', 'username', 'password', ftpDelete::PASSIVE );

$ftp->deleteAllFromDirectory( ftpDelete::TEMP_DIRECTORY );

$ftp->closeConnection();