PHP determines whether a file exists?

PHP file_exists() function

Definition and usage

file_exists() function checks files Or the directory exists. (Recommended learning: PHP programming from entry to proficiency)

Returns true if the specified file or directory exists, otherwise returns false.

Syntax

file_exists(path)

path, required. Specifies the path to be checked.

Example

$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";
}

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