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run code in 300+ PHP versions simultaneously
<html> <head> <title>A BASIC HTML FORM</title> <?PHP function Hello($inName) { print "Hello " + $inName; } $username = $_POST['username']; print ($username); Hello($username); if ($username == "Tom") { print "Welcome Back"; } ?> </head> <body> <FORM NAME ="form1" METHOD ="POST" ACTION = "t1.php"> <INPUT TYPE = "TEXT" VALUE ="First Name"NAME="username"> <INPUT TYPE = "Submit" Name = "Submit1" VALUE = "Login"> </FORM> </body> </html>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
<html> <head> <title>A BASIC HTML FORM</title> Warning: Undefined array key "username" in /in/vBSF3 on line 9 Fatal error: Uncaught TypeError: Unsupported operand types: string + null in /in/vBSF3:7 Stack trace: #0 /in/vBSF3(11): Hello(NULL) #1 {main} thrown in /in/vBSF3 on line 7
Process exited with code 255.
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
<html> <head> <title>A BASIC HTML FORM</title> Notice: Undefined index: username in /in/vBSF3 on line 9 Warning: A non-numeric value encountered in /in/vBSF3 on line 7 0 </head> <body> <FORM NAME ="form1" METHOD ="POST" ACTION = "t1.php"> <INPUT TYPE = "TEXT" VALUE ="First Name"NAME="username"> <INPUT TYPE = "Submit" Name = "Submit1" VALUE = "Login"> </FORM> </body> </html>
Output for 7.3.32 - 7.3.33
<html> <head> <title>A BASIC HTML FORM</title> Warning: A non-numeric value encountered in /in/vBSF3 on line 7 0 </head> <body> <FORM NAME ="form1" METHOD ="POST" ACTION = "t1.php"> <INPUT TYPE = "TEXT" VALUE ="First Name"NAME="username"> <INPUT TYPE = "Submit" Name = "Submit1" VALUE = "Login"> </FORM> </body> </html>
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33
<html> <head> <title>A BASIC HTML FORM</title> Notice: Undefined index: username in /in/vBSF3 on line 9 0 </head> <body> <FORM NAME ="form1" METHOD ="POST" ACTION = "t1.php"> <INPUT TYPE = "TEXT" VALUE ="First Name"NAME="username"> <INPUT TYPE = "Submit" Name = "Submit1" VALUE = "Login"> </FORM> </body> </html>
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
<html> <head> <title>A BASIC HTML FORM</title> Notice: Undefined index: username in /in/vBSF3 on line 9 0 </head> <body> <FORM NAME ="form1" METHOD ="POST" ACTION = "t1.php"> <INPUT TYPE = "TEXT" VALUE ="First Name"NAME="username"> <INPUT TYPE = "Submit" Name = "Submit1" VALUE = "Login"> </FORM> </body> </html>

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