What debugging techniques can be used to identify issues with CSV attachments in PHP?

When dealing with CSV attachments in PHP, common issues can arise due to incorrect file paths, formatting errors, or encoding problems. To identify and resolve these issues, debugging techniques such as checking file permissions, verifying file paths, using error handling functions like `error_get_last()`, and checking for encoding mismatches can be helpful. 

// Example code snippet to debug CSV attachment issues in PHP

// Check file path and permissions
$csvFile = 'path/to/your/file.csv';
if (!file_exists($csvFile) || !is_readable($csvFile)) {
    echo "CSV file does not exist or is not readable.";
}

// Read CSV file
$csvData = file_get_contents($csvFile);
if ($csvData === false) {
    $error = error_get_last();
    echo "Error reading CSV file: " . $error['message'];
}

// Check for encoding issues
if (!mb_check_encoding($csvData, 'UTF-8')) {
    echo "CSV file is not encoded in UTF-8.";
}

// Process CSV data
// Your code to process the CSV data goes here

Keywords

CSV debugging PHP attachments issues

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