======file_exists======
WMPRO, WMMINI FW >= 1.0 WMMEGA FW >= 2.0
Check if a file exists
====Description====
int
file_exists (
string
$filename
)
Return 1 (true) if the file exists, otherwise return 0 (false)
====Parameter====
$filename: Full path and file name to check
====Return Values====
Integer: 1 if file exists, 0 if file does not exist
====Examples====
===Simple existence report===
===Create a new file with a unique non-conflicting filename===
This example is extracted from the Wattmon OS "/scripts/logrotate.cgi":
====See Also====
[[findfirst()]] - Start searching the current folder for files matching a pattern and attributes
[[strftime()]] - Format a Linux Timestamp using a format string
[[time()]] - Return the current system timestamp
[[rename()]] - Rename or move a file or directory from source to destination
[[log()]] - Print to the System Log (or optional file)
[[uphp:uphp_special_variables]] - Special arrays that are populated automatically (including ''$_GLOBALS'')