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PHP is_executable () function

PHP Filesystem Reference Manual Complete PHP Filesystem Reference Manual

Definition and Usage

Are is_executable () function checks the specified executable file.

If an executable file, the function returns TRUE.

grammar

is_executable(file)

参数 描述
file 必需。规定要检查的文件。


Tips and Notes

Note: The results of this function are cached.Use clearstatcache () to clear the cache.

Note: Starting from PHP 5.0 version, is_executable () function can be used in Windows.


Examples

<?php
$file = "setup.exe";
if(is_executable($file))
{
echo ("$file is executable");
}
else
{
echo ("$file is not executable");
}
?>

The code above will output:

setup.exe is executable


PHP Filesystem Reference Manual Complete PHP Filesystem Reference Manual