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PHP Academy · Lesson

Secure Password Storage

Hash passwords with password_hash and verify with password_verify.

Never Store Plaintext Passwords

Storing passwords in plaintext means a database breach exposes every user's password. Always store a cryptographic hash — ideally bcrypt, Argon2id, or scrypt.

password_hash()

PHP's built-in password_hash() creates a secure hash with a random salt included in the output.

<?php
$hash = password_hash("mysecretpassword", PASSWORD_BCRYPT);
// Output: $2y$10$... (includes algorithm, cost, salt, hash)

All lessons in this course

  1. Cross-Site Scripting (XSS) Prevention
  2. SQL Injection and Parameterized Queries
  3. CSRF Protection
  4. Secure Password Storage
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