![How to Validate (and Sanitize) User Input In PHP Using Filter_Input() and Filter_Var() | by John Morris | Medium How to Validate (and Sanitize) User Input In PHP Using Filter_Input() and Filter_Var() | by John Morris | Medium](https://miro.medium.com/max/1400/0*LOK4EwFmpQ_Ypn00.png)
How to Validate (and Sanitize) User Input In PHP Using Filter_Input() and Filter_Var() | by John Morris | Medium
ErrorException] filter_var(): explicit use of FILTER_FLAG_SCHEME_REQUIRED and FILTER_FLAG_HOST_REQUIRED is deprecated · Issue #189 · sleimanx2/plastic · GitHub
![Andreas Heigl @ 🏡 on Twitter: "@hollodotme Because filter-var treats the input as string? so "false" becomes "" which is not a valid float? But "true" becomes "1" which is valid? I'm Andreas Heigl @ 🏡 on Twitter: "@hollodotme Because filter-var treats the input as string? so "false" becomes "" which is not a valid float? But "true" becomes "1" which is valid? I'm](https://pbs.twimg.com/media/EbGvWIpX0AIsf3r.jpg)
Andreas Heigl @ 🏡 on Twitter: "@hollodotme Because filter-var treats the input as string? so "false" becomes "" which is not a valid float? But "true" becomes "1" which is valid? I'm
![RIPS Technologies on Twitter: "Be careful when using filter_var() for validating user input. Can you spot the vulnerability? #PHP #coding #codechallenge https://t.co/NM8r7DLl0k" / Twitter RIPS Technologies on Twitter: "Be careful when using filter_var() for validating user input. Can you spot the vulnerability? #PHP #coding #codechallenge https://t.co/NM8r7DLl0k" / Twitter](https://pbs.twimg.com/media/Dy4OsxIXQAEBu8T.jpg)