GET parameters in the URL with CodeIgniter

Question

I know that codeIgniter turns off GET parameters by default    But by having everything done in POST  don t you get annoyed by the re-send data requests if  ever you press back after a form submission   It annoys me  but I m not sure if I want to allow GET purely for this reason   Is it such a big security issue to allow GET parameters too

User · Answer

don t you get annoyed by the re-send data requests if ever you press back after a form submission   you can get around this by doing a redirect from the page that processes your form submission to the success page  the last  action  was the loading of the success page  not the form submission  which means if users do an F5 it will just reload that page and not submit the form again

User · Answer

This worked for me     lt  php  url   parse url   SERVER  REQUEST URI     parse str  url  query     params     gt     params array contains the parameters passed after the   character

User · Answer

my parameter is  uid 4 and get it with    this- gt uid    this- gt input- gt get  uid   TRUE     echo  this- gt uid    wis

User · Answer

allesklar  That is slightly misleading  as scripts and bots can POST data nearly as easily as sending a normal request  It s not a secret  it s part of HTTP

User · Answer

parse str   SERVER  QUERY STRING     GET   ONLY worked for me after I added the following line to applications config config php   config  uri protocol      quot PATH INFO quot   I found   GET params not to really be necessary in CI  but Facebook and other sites dump GET params to the end of links which would 404 for my CI site   By adding the line above in config php  those pages worked  I hope this helps people   from https   web archive org web 20101227060818 http   www maheshchari com work-to-get-method-on-codeigniter

User · Answer

Even easier    curl -X POST -d  param value amp param2 value  http   example com form cgi   that plugin s pretty cool though

User · Answer

You simply need to enable it in the config php and you can use  this- gt input- gt get  param name    to get parameters

User · Answer

GET parameters are cached by the web browser  POST is not   So with a POST you don t have to worry about caching  so that is why it is usually prefered

User · Answer

GET parameters are cached by the web browser  POST is not   So with a POST you don t have to worry about caching  so that is why it is usually prefered

User · Answer

You can Try this    this- gt uri- gt segment

User · Answer

This function is identical to the post function  only it fetches get data    this- gt input- gt get     https   www codeigniter com user guide libraries input html

User · Answer

GET parameters are cached by the web browser  POST is not   So with a POST you don t have to worry about caching  so that is why it is usually prefered

User · Answer

When I first started working with CodeIgniter  not using GET really threw me off as well  But then I realized that you can simulate GET parameters by manipulating the URI using the built-in URI Class  It s fantastic and it makes your URLs look better   Or if you really need GETs working you can put this into your controller   parse str   SERVER  QUERY STRING      GET      Which will put the variables back into the GET array

User · Answer

Do this below  Worked for me  I took values from a select box and another textbox  Then on button click I took the entire data in Javascript function and redirected using javascript     Search Form   document  ready  function             searchbtn   click function showAlert e           e preventDefault            var cat       category   val            var srch       srch   val             if srch                   alert  Search is empty                         else              var url   baseurl  categories search   cat     srch                          window location href url                          The above code worked for me

User · Answer

MY Input php     lt  php    this class extension allows for   GET access class MY Input extends CI input        function  sanitize globals                    setting allow get array to true is the only real modification          this- gt allow get array   TRUE           parent   sanitize globals                End of file MY Input php       Location   application libraries MY Input php      MY URI php     lt  php       this class extension allows for   GET access by retaining the    standard functionality of allowing query strings to build the     URI String  but checks if enable query strings is TRUE    class MY URI extends CI URI       function  fetch uri string                 if  strtoupper  this- gt config- gt item  uri protocol        AUTO                            If the URL has a question mark then it s simplest to just                build the URI string from the zero index of the   GET array                 This avoids having to deal with   SERVER variables  which                can be unreliable in some environments                                    THE ONLY MODIFICATION  EXTENSION  TO THIS METHOD IS TO CHECK                      IF enable query strings IS TRUE IN THE LINE BELOW                 if   this- gt config- gt item  enable query strings       TRUE  amp  amp  is array   GET   amp  amp  count   GET     1  amp  amp  trim key   GET                                              this- gt uri string   key   GET                   return                                Is there a PATH INFO variable                 Note  some servers seem to have trouble with getenv   so we ll test it two ways              path    isset   SERVER  PATH INFO         SERVER  PATH INFO      getenv  PATH INFO                if  trim  path              amp  amp   path        SELF                                 this- gt uri string    path                  return                                No PATH INFO     What about QUERY STRING               path     isset   SERVER  QUERY STRING         SERVER  QUERY STRING      getenv  QUERY STRING                if  trim  path                                             this- gt uri string    path                  return                                No QUERY STRING     Maybe the ORIG PATH INFO variable exists               path   str replace   SERVER  SCRIPT NAME         isset   SERVER  ORIG PATH INFO         SERVER  ORIG PATH INFO      getenv  ORIG PATH INFO                 if  trim  path              amp  amp   path        SELF                                   remove path and script information so we have good URI data                  this- gt uri string    path                  return                                We ve exhausted all our options                 this- gt uri string                         else                        uri   strtoupper  this- gt config- gt item  uri protocol                  if   uri     REQUEST URI                                  this- gt uri string    this- gt  parse request uri                    return                              this- gt uri string    isset   SERVER  uri        SERVER  uri     getenv  uri                         If the URI contains only a slash we ll kill it         if   this- gt uri string                                this- gt uri string                             End of file MY URI php       Location   application libraries MY URI php

User · Answer

You can enable query strings if you really insist  In your config php you can enable query strings    config  enable query strings     TRUE    For more info you can look at the bottom of this Wiki page   http   codeigniter com user guide general urls html  Still  learning to work with clean urls is a better suggestion

User · Answer

A little bit out of topic  but I was looking for a get function in CodeIgniter just to pass some variables between controllers and come across Flashdata    see   http   codeigniter com user guide libraries sessions html   Flashdata allows you to create a quick session data that will only be available for the next server request  and are then automatically cleared

User · Answer

parse str   SERVER  QUERY STRING     GET   ONLY worked for me after I added the following line to applications config config php   config  uri protocol      quot PATH INFO quot   I found   GET params not to really be necessary in CI  but Facebook and other sites dump GET params to the end of links which would 404 for my CI site   By adding the line above in config php  those pages worked  I hope this helps people   from https   web archive org web 20101227060818 http   www maheshchari com work-to-get-method-on-codeigniter

User · Answer

A little bit out of topic  but I was looking for a get function in CodeIgniter just to pass some variables between controllers and come across Flashdata    see   http   codeigniter com user guide libraries sessions html   Flashdata allows you to create a quick session data that will only be available for the next server request  and are then automatically cleared

User · Answer

If your your need to first parameter use it    this- gt uri- gt segment  3      And your need second parameter use it    this- gt uri- gt segment  4      Have your many parameter enhance parameter

User · Answer

Even easier    curl -X POST -d  param value amp param2 value  http   example com form cgi   that plugin s pretty cool though

User · Answer

If your your need to first parameter use it    this- gt uri- gt segment  3      And your need second parameter use it    this- gt uri- gt segment  4      Have your many parameter enhance parameter

User · Answer

MY Input php     lt  php    this class extension allows for   GET access class MY Input extends CI input        function  sanitize globals                    setting allow get array to true is the only real modification          this- gt allow get array   TRUE           parent   sanitize globals                End of file MY Input php       Location   application libraries MY Input php      MY URI php     lt  php       this class extension allows for   GET access by retaining the    standard functionality of allowing query strings to build the     URI String  but checks if enable query strings is TRUE    class MY URI extends CI URI       function  fetch uri string                 if  strtoupper  this- gt config- gt item  uri protocol        AUTO                            If the URL has a question mark then it s simplest to just                build the URI string from the zero index of the   GET array                 This avoids having to deal with   SERVER variables  which                can be unreliable in some environments                                    THE ONLY MODIFICATION  EXTENSION  TO THIS METHOD IS TO CHECK                      IF enable query strings IS TRUE IN THE LINE BELOW                 if   this- gt config- gt item  enable query strings       TRUE  amp  amp  is array   GET   amp  amp  count   GET     1  amp  amp  trim key   GET                                              this- gt uri string   key   GET                   return                                Is there a PATH INFO variable                 Note  some servers seem to have trouble with getenv   so we ll test it two ways              path    isset   SERVER  PATH INFO         SERVER  PATH INFO      getenv  PATH INFO                if  trim  path              amp  amp   path        SELF                                 this- gt uri string    path                  return                                No PATH INFO     What about QUERY STRING               path     isset   SERVER  QUERY STRING         SERVER  QUERY STRING      getenv  QUERY STRING                if  trim  path                                             this- gt uri string    path                  return                                No QUERY STRING     Maybe the ORIG PATH INFO variable exists               path   str replace   SERVER  SCRIPT NAME         isset   SERVER  ORIG PATH INFO         SERVER  ORIG PATH INFO      getenv  ORIG PATH INFO                 if  trim  path              amp  amp   path        SELF                                   remove path and script information so we have good URI data                  this- gt uri string    path                  return                                We ve exhausted all our options                 this- gt uri string                         else                        uri   strtoupper  this- gt config- gt item  uri protocol                  if   uri     REQUEST URI                                  this- gt uri string    this- gt  parse request uri                    return                              this- gt uri string    isset   SERVER  uri        SERVER  uri     getenv  uri                         If the URI contains only a slash we ll kill it         if   this- gt uri string                                this- gt uri string                             End of file MY URI php       Location   application libraries MY URI php

User · Answer

don t you get annoyed by the re-send data requests if ever you press back after a form submission   you can get around this by doing a redirect from the page that processes your form submission to the success page  the last  action  was the loading of the success page  not the form submission  which means if users do an F5 it will just reload that page and not submit the form again

User · Answer

allesklar  That is slightly misleading  as scripts and bots can POST data nearly as easily as sending a normal request  It s not a secret  it s part of HTTP

User · Answer

This function is identical to the post function  only it fetches get data    this- gt input- gt get     https   www codeigniter com user guide libraries input html

User · Answer

When I first started working with CodeIgniter  not using GET really threw me off as well  But then I realized that you can simulate GET parameters by manipulating the URI using the built-in URI Class  It s fantastic and it makes your URLs look better   Or if you really need GETs working you can put this into your controller   parse str   SERVER  QUERY STRING      GET      Which will put the variables back into the GET array

User · Answer

You can Try this    this- gt uri- gt segment

User · Answer

my parameter is  uid 4 and get it with    this- gt uid    this- gt input- gt get  uid   TRUE     echo  this- gt uid    wis

User · Answer

Now it works ok from CodeIgniter 2 1 0        By default CodeIgniter enables access to the   GET array   If for some       reason you would like to disable it  set  allow get array  to FALSE    config  allow get array          TRUE

User · Answer

Do this below  Worked for me  I took values from a select box and another textbox  Then on button click I took the entire data in Javascript function and redirected using javascript     Search Form   document  ready  function             searchbtn   click function showAlert e           e preventDefault            var cat       category   val            var srch       srch   val             if srch                   alert  Search is empty                         else              var url   baseurl  categories search   cat     srch                          window location href url                          The above code worked for me

User · Answer

You simply need to enable it in the config php and you can use  this- gt input- gt get  param name    to get parameters

User · Answer

Now it works ok from CodeIgniter 2 1 0        By default CodeIgniter enables access to the   GET array   If for some       reason you would like to disable it  set  allow get array  to FALSE    config  allow get array          TRUE

User · Answer

You can enable query strings if you really insist  In your config php you can enable query strings    config  enable query strings     TRUE    For more info you can look at the bottom of this Wiki page   http   codeigniter com user guide general urls html  Still  learning to work with clean urls is a better suggestion

User · Answer

GET parameters are cached by the web browser  POST is not   So with a POST you don t have to worry about caching  so that is why it is usually prefered

User · Answer

This worked for me     lt  php  url   parse url   SERVER  REQUEST URI     parse str  url  query     params     gt     params array contains the parameters passed after the   character

User · Answer

When I first started working with CodeIgniter  not using GET really threw me off as well  But then I realized that you can simulate GET parameters by manipulating the URI using the built-in URI Class  It s fantastic and it makes your URLs look better   Or if you really need GETs working you can put this into your controller   parse str   SERVER  QUERY STRING      GET      Which will put the variables back into the GET array

User · Answer

When I first started working with CodeIgniter  not using GET really threw me off as well  But then I realized that you can simulate GET parameters by manipulating the URI using the built-in URI Class  It s fantastic and it makes your URLs look better   Or if you really need GETs working you can put this into your controller   parse str   SERVER  QUERY STRING      GET      Which will put the variables back into the GET array

[html] GET parameters in the URL with CodeIgniter

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