Ignoring Error Handling

  • Mistake: Overlooking error handling can result in unexpected behaviors and security risks.
// Mistaken code
$result = $pdo->query("SELECT * FROM users");
  • Correction: Implement try-catch blocks to gracefully handle exceptions, enhancing application robustness.

Syntax:

try {
// Code that may throw an exception
} catch (Exception $e) {
// Handle the exception
}

Common Mistakes to Avoid in PHP

PHP is a widely used server-side scripting language for web development. However, developers often overlook best practices, leading to vulnerabilities and inefficiencies. This article delves into common PHP mistakes and offers comprehensive solutions.

Table of Content

  • Not Using Prepared Statements
  • Ignoring Error Handling
  • Poor Password Security
  • Lack of Input Validation
  • Mixing PHP and HTML

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Not Using Prepared Statements

Mistake: Embedding user input directly into SQL queries invites SQL injection attacks....

Ignoring Error Handling

Mistake: Overlooking error handling can result in unexpected behaviors and security risks....

Poor Password Security

Mistake: Storing passwords in plaintext or using weak hashing methods compromises security....

Lack of Input Validation

Mistake: Absence of input validation exposes applications to data manipulation and injection attacks....

Mixing PHP and HTML

Mistake: Excessive mixing of PHP and HTML leads to code complexity and maintenance challenges....

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