Edit: I have fixed my original issue, please skip to the body for my last remaining issue.

I need to make a plugin. That displays an input field to the user, takes that input field data and passess it to a php function, and then reloads that page and displays what ever the user has typed in.

What I have in my plugin file

 function testytest($val1,$val2)
{
 return $val1;
}

 function awepop_add_view() {

 $idPageToTest = 55;


 if ( isset($GLOBALS["post"])
 && ($GLOBALS["post"]->ID === $idPageToTest)
 ) {
 echo '<div class="row"><div class="col-md-6 col-md-offset-3"><div class="alert alert-success" role="alert"><p style="text-align: center;">

<form action="" method="get">
 Host Name:
 <input type="text" name="val1" id="val1"></input>


 <br></br>
 or
 <br></br>
 Ip Address:
 <input type="text" name="val2" id="val2"></input>

 <br></br>

 <input type="submit" name="submit" value="send"></input>
</form>

</p></div></div></div>';}
 }
 add_filter( 'the_content', 'awepop_add_view', 20 );
 #add_action("wp_head", "awepop_add_view");
 ?>

For what ever reason if I add php code to my echo my site hangs with a 500 error until I remove it. It doesn't matter if I put the code above or below my form.

and the code is this

<?php
if( isset($_GET['submit']) )
{
 //be sure to validate and clean your variables
 $val1 = htmlentities($_GET['val1']);
 $val2 = htmlentities($_GET['val2']);

 //then you can use them in a PHP function. 
 $result = testytest($val1, $val2);
 echo '$result';

}
?>

I got it from https://stackoverflow.com/questions/15055115/how-to-pass-form-input-value-to-php-function

I do devops not web stuff Sorry =)

Edit: Now when I hit submit it sends me to my sites homepage, it doesn't reload the page I am on with the users input displayed.

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