3v4l.org

run code in 300+ PHP versions simultaneously
<html> <form method='post'> <input type="text" name="name"> <input type= "submit" value="submitname"> </form> <?php $name=$_post['name']; echo "hello $name"; ?> </html>
Output for 8.3.0 - 8.3.7
<html> <form method='post'> <input type="text" name="name"> <input type= "submit" value="submitname"> </form> Warning: Undefined variable $_post in /in/IoLur on line 9 Warning: Trying to access array offset on null in /in/IoLur on line 9 hello </html>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18
<html> <form method='post'> <input type="text" name="name"> <input type= "submit" value="submitname"> </form> Warning: Undefined variable $_post in /in/IoLur on line 9 Warning: Trying to access array offset on value of type null in /in/IoLur on line 9 hello </html>
Output for 7.4.0 - 7.4.33
<html> <form method='post'> <input type="text" name="name"> <input type= "submit" value="submitname"> </form> Notice: Undefined variable: _post in /in/IoLur on line 9 Notice: Trying to access array offset on value of type null in /in/IoLur on line 9 hello </html>
Output for 7.3.32 - 7.3.33
<html> <form method='post'> <input type="text" name="name"> <input type= "submit" value="submitname"> </form> 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 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31
<html> <form method='post'> <input type="text" name="name"> <input type= "submit" value="submitname"> </form> Notice: Undefined variable: _post in /in/IoLur on line 9 hello </html>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
<html> <form method='post'> <input type="text" name="name"> <input type= "submit" value="submitname"> </form> Notice: Undefined variable: _post in /in/IoLur on line 9 hello </html>

preferences:
191.2 ms | 402 KiB | 328 Q