File system function Library: file_exists

Source: Internet
Author: User
Keywords file_exists php Chinese function manual file system function library
Tags aliyun check file file system function library file_exists function function library html

File_exists

(PHP3, PHP4)

File_exists---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Check for file existence

Syntax: int file_exists (string filename)

Description:

Returns true if the specified file filename exists, or returns false.

File_exists () will not operate at the far end of the file, the files to be checked must be accessible via the server file system.

The result of this function will exist in the cache buffer, please refer to Clearstatcache () for more information.

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