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PHP Manual

is_file

(PHP 3, PHP 4, PHP 5)

is_file -- Tells whether the filename is a regular file

Description

bool is_file ( string filename )

Returns TRUE if the filename exists and is a regular file.

Example 1. is_file() example
<?php var_dump(is_file('a_file.txt')) . "\n"; var_dump(is_file('/usr/bin/')) . "\n"; ?>
The above example will output:
bool(true) bool(false)

Note: The results of this function are cached. See clearstatcache() for more details.

Tip: As of PHP 5.0.0 this function can also be used with some URL wrappers. Refer to Appendix M for a listing of which wrappers support stat() family of functionality.

See also is_dir() and is_link().

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