3v4l.org

run code in 300+ PHP versions simultaneously
$comma_separated = 1; $$comma_separated1 = 2; //OP's code <?php echo "[". $comma_separated."],[". $comma_separated1."]"?> //your code <?php echo "[". $comma_separated.",". $comma_separated1."]"?>
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
$comma_separated = 1; $$comma_separated1 = 2; //OP's code Warning: Undefined variable $comma_separated in /in/9mWgY on line 5 Warning: Undefined variable $comma_separated1 in /in/9mWgY on line 5 [],[] //your code Warning: Undefined variable $comma_separated in /in/9mWgY on line 8 Warning: Undefined variable $comma_separated1 in /in/9mWgY on line 8 [,]
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, 5.6.7 - 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, 7.4.0 - 7.4.33
$comma_separated = 1; $$comma_separated1 = 2; //OP's code Notice: Undefined variable: comma_separated in /in/9mWgY on line 5 Notice: Undefined variable: comma_separated1 in /in/9mWgY on line 5 [],[] //your code Notice: Undefined variable: comma_separated in /in/9mWgY on line 8 Notice: Undefined variable: comma_separated1 in /in/9mWgY on line 8 [,]
Output for 7.3.32 - 7.3.33
$comma_separated = 1; $$comma_separated1 = 2; //OP's code [],[] //your code [,]
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.3
$comma_separated = 1; $$comma_separated1 = 2; //OP's code Notice: Undefined variable: comma_separated in /in/9mWgY on line 5 Notice: Undefined variable: comma_separated1 in /in/9mWgY on line 5 [],[] //your code Notice: Undefined variable: comma_separated in /in/9mWgY on line 8 Notice: Undefined variable: comma_separated1 in /in/9mWgY on line 8 [,]
preferences:
226.61 ms | 402 KiB | 328 Q