3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function floorDiff(string $input): int { $positiveMatches = preg_match_all ('/\(/', $input); $negativeMatches = preg_match_all ('/\)/', $input); return $positiveMatches + $negativeMatches; } assert(floorDiff('(') === 1); assert(floorDiff(')') === -1); assert(floorDiff('()') === 0); assert(floorDiff('(()))))') === -3);
based on U5SK8
Output for 7.0.0 - 7.2.0
Warning: assert(): assert(floorDiff(')') === -1) failed in /in/fm0aP on line 13 Warning: assert(): assert(floorDiff('()') === 0) failed in /in/fm0aP on line 14 Warning: assert(): assert(floorDiff('(()))))') === -3) failed in /in/fm0aP on line 15
Output for 5.3.20 - 5.6.28
Parse error: syntax error, unexpected ':', expecting '{' in /in/fm0aP on line 3
Process exited with code 255.