3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php const ✓ = true; const ✕ = false; function ≠($left, $right) { return $left != $right; } function ≅($left, $right) { return ($left > $right - 0.0001) && ($left < $right + 0.0001); } function ≡($left, $right) { return $left === $right; } function ≢($left, $right) { return $left !== $right; } $a = 33; $b = 2 - 1; echo ≡($a, $b)."\n"; echo ≅($a, $a + 0.000001)."\n";
based on CInH7
Output for 5.3.0 - 7.1.0
1
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.2.17
Parse error: syntax error, unexpected T_CONST in /in/NihaJ on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_CONST in /in/NihaJ on line 4
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/NihaJ on line 4
Process exited with code 255.