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run code in 200+ php & hhvm versions
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<?php function add(float $a, float $b) { return $a + $b; } echo add((float)1, (float)2); ?>
based on fEO1Y
Output for 7.0.0 - 7.3.0rc6
3
Output for 5.3.20 - 5.6.28
Catchable fatal error: Argument 1 passed to add() must be an instance of float, double given, called in /in/lBcmJ on line 6 and defined in /in/lBcmJ on line 2
Process exited with code 255.