使用 ACTION 和 POST 方法在搜索表单中使用值重定向到 URL

Question

I have a search form, where user enter a keyword:

<form method="post" action="domain.com/gallery/<?php echo $_POST["something"]; ?>" >
<input type="text" name="something" required/>
<input type="submit"/>
</form>

<?php
if (isset($_POST["something"])) {
echo $_POST["something"];
}
?>

I want go to url "domain.com/gallery/keyword" after form submission.

The problem is that I can't, with the code above it redirects to "domain.com/gallery/", without keyword value...

I'm using POST and ACTION, because "isset($_POST["something"])" is not working with other methods like onsubmit, eg "onsubmit="window.location = 'domain.com/gallery/' + something.value; return false;""

Answer 1

Try this

<form method="post" action="{samePage}.php" >
<input type="text" name="something" required/>
<input type="submit"/>
</form>

<?php
if (isset($_POST["something"])) {
$url="domain.com/gallery/".<?php echo $_POST["something"]; 
header("Location: $url")?>
}
?>

Answer 2

I think you have to change the value of action attribute. You can doing it with javascript:

<form method="post" action="domain.com/gallery/" onSubmit="changeTarget(this)">

The javascript:

function changeTarget(currentForm)
{
   //read initial attribute value
   actionAttribute = currentForm.getAttribute('action');
   //read form field value
   enteredKeyword =  currentForm.omething.value;
   //Concantinate both values and set it as new target
   currentForm.setAtrribute('action') = actionAttribute + enteredKeyword;
   
   //Nessacary return statement
   return true;
}