3v4l.org

run code in 300+ PHP versions simultaneously
<?php function isPerfect($n) { return $n[0]*$n[1]*$n[2]*$n[3]+1; } var_dump(isPerfect(['a','b','c','d']));
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
Fatal error: Uncaught TypeError: Unsupported operand types: string * string in /in/tIm0A:4 Stack trace: #0 /in/tIm0A(7): isPerfect(Array) #1 {main} thrown in /in/tIm0A on line 4
Process exited with code 255.
Output for 7.1.0 - 7.1.25, 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/tIm0A on line 4 Warning: A non-numeric value encountered in /in/tIm0A on line 4 Warning: A non-numeric value encountered in /in/tIm0A on line 4 Warning: A non-numeric value encountered in /in/tIm0A on line 4 int(1)
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20
int(1)
preferences:
219.63 ms | 402 KiB | 241 Q