3v4l.org

run code in 300+ PHP versions simultaneously
<!DOCTYPE> <html> <body> <form method="POST"> <h2>Please enter your name as input : </h2> <input type="text" name="name"/> <input type="submit" name="submit"/> </form> <?php $name=$_POST['name']; echo "HELLO $name"; ?> </body> </html>
Output for git.master, git.master_jit, rfc.property-hooks
<!DOCTYPE> <html> <body> <form method="POST"> <h2>Please enter your name as input : </h2> <input type="text" name="name"/> <input type="submit" name="submit"/> </form> Warning: Undefined array key "name" in /in/Ynvv3 on line 10 HELLO </body> </html>

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