Chapter 1 - Validation basics
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Variable validation
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Type checking
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Integer checking
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Float checking
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Numbers limits
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Text strings limits
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JSON validation
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JSON validation: example
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String functions and filters
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Custom validation functions
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Regular expressions
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Blacklists
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Static and dynamic blacklists
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Whitelists
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Static and dynamic whitelists
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Type casting for validation?
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Quiz time
Chapter 2: Sessions security
Chapter 3: XSS prevention
Chapter 4: Cross-Site Request Forgery (CSRF)
Chapter 5: Remote file upload
Appendix: PHP configuration
