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run code in 300+ PHP versions simultaneously
<?php function fib($n, $all=0){ f[0] = 1; f[1] = 1; for($i = 2; $i<= $n; $i++) f[$i] = f[$i-1]+f[$i-2]; if($all) return $f; return $f[$n]; } print fib(5); var_dump(fib(5, 1));
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.32
Parse error: syntax error, unexpected '[' in /in/9VrmE on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected '[' in /in/9VrmE on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/9VrmE on line 4
Process exited with code 255.
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223.36 ms | 1395 KiB | 123 Q