3v4l.org

run code in 300+ PHP versions simultaneously
<!DOCTYPE html>   <html>   <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">      </head>      <body> <html> <form method='post'> <input type="text" name="name"> <input type= "submit" value="submitname"> </form> </body> <?php $name=$_post['name']; echo "hello $name"; ?> </html>
Output for 8.3.0 - 8.3.6
<!DOCTYPE html>   <html>   <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">      </head>      <body> <html> <form method='post'> <input type="text" name="name"> <input type= "submit" value="submitname"> </form> </body> Warning: Undefined variable $_post in /in/gv3XU on line 16 Warning: Trying to access array offset on null in /in/gv3XU on line 16 hello </html>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
<!DOCTYPE html>   <html>   <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">      </head>      <body> <html> <form method='post'> <input type="text" name="name"> <input type= "submit" value="submitname"> </form> </body> Warning: Undefined variable $_post in /in/gv3XU on line 16 Warning: Trying to access array offset on value of type null in /in/gv3XU on line 16 hello </html>
Output for 7.4.0 - 7.4.33
<!DOCTYPE html>   <html>   <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">      </head>      <body> <html> <form method='post'> <input type="text" name="name"> <input type= "submit" value="submitname"> </form> </body> Notice: Undefined variable: _post in /in/gv3XU on line 16 Notice: Trying to access array offset on value of type null in /in/gv3XU on line 16 hello </html>
Output for 7.3.32 - 7.3.33
<!DOCTYPE html>   <html>   <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">      </head>      <body> <html> <form method='post'> <input type="text" name="name"> <input type= "submit" value="submitname"> </form> </body> hello </html>
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
<!DOCTYPE html>   <html>   <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">      </head>      <body> <html> <form method='post'> <input type="text" name="name"> <input type= "submit" value="submitname"> </form> </body> Notice: Undefined variable: _post in /in/gv3XU on line 16 hello </html>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
<!DOCTYPE html>   <html>   <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">      </head>      <body> <html> <form method='post'> <input type="text" name="name"> <input type= "submit" value="submitname"> </form> </body> Notice: Undefined variable: _post in /in/gv3XU on line 16 hello </html>

preferences:
221.91 ms | 402 KiB | 341 Q