3v4l.org

run code in 300+ PHP versions simultaneously
<html> <head> </head> <body> <form method="POST"> <input type="text" name="name" /> <input type="submit" value="show name" </form> <?php $name=$_POST['name']; echo "Hello "; ?> </body> </html>
Output for git.master, git.master_jit, rfc.property-hooks
<html> <head> </head> <body> <form method="POST"> <input type="text" name="name" /> <input type="submit" value="show name" </form> Warning: Undefined array key "name" in /in/vXr4e on line 10 Hello </body> </html>

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