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run code in 200+ php & hhvm versions
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<?php $boolean = 1; $boolean = (bool) $boolean; function dump_boolean(bool $var) { var_dump($var); } dump_boolean($boolean);
based on PasmE
Output for 7.0.0 - 7.2.0
bool(true)
Output for 5.4.0 - 5.6.28
Catchable fatal error: Argument 1 passed to dump_boolean() must be an instance of bool, boolean given, called in /in/OmirF on line 11 and defined in /in/OmirF on line 6
Process exited with code 255.