What potential pitfalls should be considered when implementing a feature to mark and delete table entries in PHP?

When implementing a feature to mark and delete table entries in PHP, potential pitfalls to consider include ensuring proper user authentication to prevent unauthorized deletion, implementing error handling to address any issues that may arise during the deletion process, and validating input to prevent SQL injection attacks. 

// Check user authentication before allowing deletion
if($authenticated_user) {
    // Implement error handling for deletion process
    try {
        // Validate input to prevent SQL injection
        $entry_id = $_POST['entry_id'];
        
        $query = "DELETE FROM table_name WHERE id = :entry_id";
        $stmt = $pdo->prepare($query);
        $stmt->bindParam(':entry_id', $entry_id);
        $stmt->execute();
        
        echo "Entry deleted successfully";
    } catch(PDOException $e) {
        echo "Error deleting entry: " . $e->getMessage();
    }
} else {
    echo "Unauthorized access";
}

Keywords

SQL injection CSRF protection prepared statements validation error handling

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