3v4l.org

run code in 300+ PHP versions simultaneously
<?php $name = "Wanda"; print "W"+"anda"; print $name === "W"+"anda"; print $name == "W"+"anda"; print $name != False and name != True; print $name !== False and name !== True;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Fatal error: Uncaught TypeError: Unsupported operand types: string + string in /in/28Tn0:3 Stack trace: #0 {main} thrown in /in/28Tn0 on line 3
Process exited with code 255.
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: A non-numeric value encountered in /in/28Tn0 on line 3 Warning: A non-numeric value encountered in /in/28Tn0 on line 3 0 Warning: A non-numeric value encountered in /in/28Tn0 on line 4 Warning: A non-numeric value encountered in /in/28Tn0 on line 4 Warning: A non-numeric value encountered in /in/28Tn0 on line 5 Warning: A non-numeric value encountered in /in/28Tn0 on line 5 11 Warning: Use of undefined constant name - assumed 'name' (this will throw an Error in a future version of PHP) in /in/28Tn0 on line 6 1 Warning: Use of undefined constant name - assumed 'name' (this will throw an Error in a future version of PHP) in /in/28Tn0 on line 7
Output for 7.1.0 - 7.1.33
Warning: A non-numeric value encountered in /in/28Tn0 on line 3 Warning: A non-numeric value encountered in /in/28Tn0 on line 3 0 Warning: A non-numeric value encountered in /in/28Tn0 on line 4 Warning: A non-numeric value encountered in /in/28Tn0 on line 4 Warning: A non-numeric value encountered in /in/28Tn0 on line 5 Warning: A non-numeric value encountered in /in/28Tn0 on line 5 11 Notice: Use of undefined constant name - assumed 'name' in /in/28Tn0 on line 6 1 Notice: Use of undefined constant name - assumed 'name' in /in/28Tn0 on line 7
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, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.35, 5.6.0 - 5.6.28, 7.0.0 - 7.0.20
011 Notice: Use of undefined constant name - assumed 'name' in /in/28Tn0 on line 6 1 Notice: Use of undefined constant name - assumed 'name' in /in/28Tn0 on line 7

preferences:
260.64 ms | 404 KiB | 391 Q