用php浏览.pdf文件

在国外的一个论坛转载
<?php
$$$$file = ‘./path/to/the.pdf‘ ;/*pdf文件地址*/
$$$$filename = ‘Custom file name for the.pdf‘ ;
/* 必须以.pdf 结尾*/
header ( ‘Content-type: application/pdf‘ ) ;
header ( ‘Content-Disposition: inline; filename=“‘ . $$$$filename . ‘“‘ ) ;
header ( ‘Content-Transfer-Encoding: binary‘ ) ;
header ( ‘Content-Length: ‘ . filesize ( $$$$file ) ) ;
header ( ‘Accept-Ranges: bytes‘ ) ;
@ readfile ( $$$$file ) ;
?>