How to get input field value using PHP

Question

I have a input field as follows    lt input type  text  name  subject  id  subject  value  Car Loan  gt    I would like to get the input fields value Car Loan and assign it to a session  How do I do this using PHP or jQuery

User · Answer

If its a get request use    GET  subject   or if its a post request use    POST  subject

User · Answer

lt form action    method  post  gt   lt input type  text  name  subject  id  subject  value  Car Loan  gt   lt button type  submit  name  ok  gt OK lt  button gt   lt  form gt   lt  php if isset   POST  ok      echo   POST  subject        gt

User · Answer

For global use  you may use    val     REQUEST  subject      and to add yo your session  simply   session start      SESSION  subject       val    And you dont need jQuery in this case

User · Answer

Use PHP s   POST or   GET superglobals to retrieve the value of the input tag via the name of the HTML tag    For Example  change the method in your form and then echo out the value by the name of the input   Using   GET method    lt form name  form  action    method  get  gt     lt input type  text  name  subject  id  subject  value  Car Loan  gt   lt  form gt    To show the value     lt  php echo   GET  subject      gt    Using   POST method    lt form name  form  action    method  post  gt     lt input type  text  name  subject  id  subject  value  Car Loan  gt   lt  form gt    To show the value     lt  php echo   POST  subject      gt

User · Answer

function get input tags  html         post data   array            a new dom object      dom   new DomDocument          load the html into the object      dom- gt loadHTML  html          discard white space      dom- gt preserveWhiteSpace   false          all input tags as a list      input tags    dom- gt getElementsByTagName  input            get all rows from the table     for   i   0   i  lt   input tags- gt length   i                   if  is object  input tags- gt item  i                            name    value                    name o    input tags- gt item  i - gt attributes- gt getNamedItem  name                if is object  name o                                  name    name o- gt value                    value o    input tags- gt item  i - gt attributes- gt getNamedItem  value                    if is object  value o                                          value    input tags- gt item  i - gt attributes- gt getNamedItem  value  - gt value                                      post data  name     value                                     return  post data      error reporting  E WARNING    html   file get contents  https   accounts google com ServiceLoginAuth     print r get input tags  html

User · Answer

Example of using PHP to get a value from a form   Put this in foobar php    lt html gt   lt body gt     lt form action  foobar submit php  method  post  gt       lt input name  my html input tag   value  PILLS HERE   gt        lt input type  submit  name  my form submit button              value  Click here for penguins   gt        lt  form gt   lt  body gt   lt  html gt    Read the above code so you understand what it is doing      foobar php is an HTML document containing an HTML form   When the user presses the submit button inside the form  the form s action property is run  foobar submit php   The form will be submitted as a POST request   Inside the form is an input tag with the name  my html input tag    It s default value is  PILLS HERE    That causes a text box to appear with text   PILLS HERE  on the browser   To the right is a submit button  when you click it  the browser url changes to foobar submit php and the below code is run   Put this code in foobar submit php in the same directory as foobar php    lt  php   echo   POST  my html input tag      echo   lt br gt  lt br gt      print r   POST      gt    Read the above code so you know what its doing   The HTML form from above populated the   POST superglobal with key value pairs representing the html elements inside the form   The echo prints out the value by key   my html input tag    If the key is found  which it is  its value is returned   PILLS HERE      Then print r prints out all the keys and values from   POST so you can peek as to what else is in there   The value of the input tag with name my html input tag was put into the   POST and you retrieved it inside another PHP file

User · Answer

You can get the value  value as     value      POST  subject      or    value     GET  subject     depending upon the form method used   session start      SESSION  subject       value    the value is assigned to session variable subject

[php] How to get input field value using PHP

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