How can PHP beginners effectively troubleshoot and solve issues with file reading functions like fgets?

When troubleshooting issues with file reading functions like fgets in PHP, beginners should ensure that the file they are trying to read from exists and is accessible. They should also check for any errors or warnings that may be generated during the file reading process. Using proper error handling techniques, such as try-catch blocks, can help identify and resolve any issues with file reading functions. 

<?php
$filename = "example.txt";

try {
    $file = fopen($filename, "r");
    
    if ($file) {
        while (!feof($file)) {
            $line = fgets($file);
            echo $line;
        }
        
        fclose($file);
    } else {
        throw new Exception("Unable to open file.");
    }
} catch (Exception $e) {
    echo "Error: " . $e->getMessage();
}
?>

Keywords

PHP file reading fgets troubleshooting error handling

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