php程序运行时出现:Fatal error: Call to undefined function bcompiler_write_header() 错误,怎么解决。谢谢。代码如下:$fh = fopen($this->targetPaths[$key].'encrypt.php', "w");
                    bcompiler_write_header($fh);
                    bcompiler_write_file($fh, $this->targetPaths[$key]);
                    bcompiler_write_footer($fh);
                    fclose($fh);
phpfunction