Zxcvbn PHP

Identifies common weaknesses like dictionary words, sequences, repeats, dates, and QWERTY keyboard patterns, as highlighted in the README's feature list, ensuring realistic password analysis.

Estimates strength based on minimum guessability rather than optimistic assumptions, providing accurate scores from 0 to 4 for different attack scenarios.

Allows checking passwords against user-specific data such as names and emails, preventing personal information leaks, as demonstrated in the usage example with the $userData parameter.

Provides warnings and suggestions for weak passwords (score ≤ 2), guiding users toward better password creation without relying on arbitrary rules.