3v4l.org

run code in 300+ PHP versions simultaneously
<?php header/("content-type:text/html;chartset=utf-8"); $a=2; $b=5; $c=3; $D=$b*$b - 4*$a*$c; if ($D>0){ $x1= (-$b + sqrt($D)) / 2*$a; $x2= (-$b - sqrt($D)) / 2*$a; echo $x1; echo $x2; } else if ($D==0){ $x1 = $x2 = -$b / 2*$a; echo $x1; echo $x2; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
Fatal error: Uncaught Error: Undefined constant "header" in /in/aRhVo:3 Stack trace: #0 {main} thrown in /in/aRhVo 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: Use of undefined constant header - assumed 'header' (this will throw an Error in a future version of PHP) in /in/aRhVo on line 3 Warning: A non-numeric value encountered in /in/aRhVo on line 3 Warning: A non-numeric value encountered in /in/aRhVo on line 3 Warning: Division by zero in /in/aRhVo on line 3 -4-6
Output for 7.1.0 - 7.1.33
Notice: Use of undefined constant header - assumed 'header' in /in/aRhVo on line 3 Warning: A non-numeric value encountered in /in/aRhVo on line 3 Warning: A non-numeric value encountered in /in/aRhVo on line 3 Warning: Division by zero in /in/aRhVo on line 3 -4-6
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20
Notice: Use of undefined constant header - assumed 'header' in /in/aRhVo on line 3 Warning: Division by zero in /in/aRhVo on line 3 -4-6
preferences:
158.28 ms | 402 KiB | 215 Q