nginx-luaCalculating crc32

server {
  location / {
    content_by_lua_block {
      local sign = ngx.crc32_long('Hi all')
    }
  }
}ctrl + cyoutubegithub

`ngx.crc32_long` returns crc32 for specified string	`'Hi all'` string to calculate crc32 for
`sign` this variable will store generated crc32	`content_by_lua_block` nginx-lua module directive to specify block of Lua code

local sign = ngx.crc32_long('Hi all')
ngx.say( sign )

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