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run code in 200+ php & hhvm versions
Bugs & Features
<?php function floorDiff(string $input): int { if ($input === '(') { return 1; } if ($input === ')') { return 1; } } assert(floorDiff('(') === 1); assert(floorDiff(')') === -1);
based on KFSL2
Output for 7.0.0 - 7.2.0
Warning: assert(): assert(floorDiff(')') === -1) failed in /in/LUvaQ on line 13
Output for 5.3.20 - 5.6.28
Parse error: syntax error, unexpected ':', expecting '{' in /in/LUvaQ on line 3
Process exited with code 255.