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file_exists
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file_exists

Name

file_exists — Determines whether a file exists.

Synopsis

bool file_exists(filename); string filename:

Returns

TRUE if the file exists; FALSE on error

Description

Checks for the existence of a file. It's a good idea to use this function before other filesystem functions to ensure that the file you need actually exists. Note: The results of this function are cached. See clearstatcache() for details.

Example

Example 320. Test whether a file exists

if(!file_exists("myfile"))
{
    echo ("File not found");
}

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PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at http://www.opencontent.org/openpub/). The authors of this book have elected not to choose any options under the OPL. This online book was obtained from http://www.fooassociates.com/phpfer/ and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.