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PHP怎么判断文件或目录是否存在?

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2016-06-13 11:58:192041browse

PHP怎么判断文件或目录是否存在?

php 判断文件或目录是否存在

判断文件或目录是否存在有自带的函数

file_exists:文件是否存在

$file = "check.txt";

if(file_exists($file))
{
    echo "当前目录中,文件".$file."存在";
}
else
{
     echo "当前目录中,文件".$file."不存在";
}

is_dir:目录是否存在

$dir = "c:/datacheck";

if(is_dir($dir))
{
    echo "当前目录下,目录".$dir."存在";
}
else
{
     echo "当前目录下,目录".$dir."不存在";
}

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