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php is_executable 判断文件是可执行文件

Jun 13, 2016 am 11:17 AM
php judgment document yes

php is_executable 判断文件是可执行文件  

is_executable
( PHP 4中, PHP 5中)

is_executable -告诉是否是可执行文件名

描述
布尔is_executable (字符串$文件名)
告诉是否filename是可执行文件。

参数

文件名
文件路径。


返回值
返回TRUE ,如果文件存在且可执行,或FALSE的错误。

修改

版本说明
5.0.0 is_executable ( )成为可与Windows


实例

例如# 1 is_executable ( )的例子

$file = '/home/vincent/somefile.sh';

if (is_executable($file)) {
    echo $file.' is executable';
} else {
    echo $file.' is not executable';
}

?>


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