September 2001
Intermediate to advanced
768 pages
32h 45m
English
Content preview from PHP Functions Essential Reference
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is_executable
bool is_executable(string filename) Checks whether a file is executable.
Returns:
TRUE if executable; FALSE otherwise
Description:
Checks whether the specified file is executable.
Note:
The results of this function are cached. See clearstatcache() for details.
Example:
Determine whether a file is executable
$file = "testfile";
if(is_executable($file))
{
echo ("File $file is executable.");
}
else
{
echo ("File $file is not executable.");
}
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