How can one handle errors or exceptions when checking for file existence in PHP?

When checking for file existence in PHP, it's important to handle errors or exceptions that may occur. One way to do this is by using the file_exists() function to check if a file exists before attempting to access or manipulate it. If the file does not exist, you can use conditional statements or try-catch blocks to handle the error gracefully. 

$filename = 'example.txt';

if (file_exists($filename)) {
    // File exists, perform operations here
    echo "File exists!";
} else {
    // File does not exist, handle error or exception here
    echo "File does not exist!";
}

Keywords

try-catch file_exists error handling exceptions PHP

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