What are some common reasons for the file_exists function to return false even when the file actually exists?

The file_exists function may return false even when the file actually exists due to incorrect file paths, permission issues, or symbolic links. To solve this issue, double-check the file path for accuracy, ensure that the file has the correct permissions set, and consider resolving any symbolic links that may be causing the function to fail. 

$file_path = '/path/to/file.txt';

// Check if the file exists using file_exists function
if (file_exists($file_path)) {
    echo 'File exists!';
} else {
    echo 'File does not exist.';
}

Keywords

file_exists PHP permissions absolute path symbolic link

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