PHP tips for Getting Started page value analysis

The content of this section:
A simple example of PHP page passing value

1,index.html

Copy Code code example:

2,post.php

Copy Code code example:

<?    if (Empty ($_post[' id ')))   {    echo ' account cannot be empty and will automatically return to the login screen after 5 seconds;    Header ("Refresh:5; Url= ' index.htm ');   }   ElseIf (Empty ($_post[' guess '))   {    echo "text cannot be empty and will automatically return to the login page after 5 seconds";    Header ("Refresh:5; Url= ' index.htm ');   }     else {      $id =$_post[' id '];      $guess =$_post[' guess ');     echo "Hello". $id. " Your message is ". $guess." <br/> ";     } ?>
For more tutorials on getting started with PHP, please refer to the introductory tutorial in PHP for more information.