ErrorException] filter_var(): explicit use of FILTER_FLAG_SCHEME_REQUIRED and FILTER_FLAG_HOST_REQUIRED is deprecated · Issue #189 · sleimanx2/plastic · GitHub
SSRF技巧之如何绕过filter_var( )-安全客- 安全资讯平台
How to Validate (and Sanitize) User Input In PHP Using Filter_Input() and Filter_Var() | by John Morris | Medium