3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function foo(bool $b) {} foo('foo'); var_dump('foo' == (bool) 'foo');
based on 2d6Nv
Output for 7.0.0 - 7.2.0
bool(true)
Output for 5.3.19 - 5.6.28
Catchable fatal error: Argument 1 passed to foo() must be an instance of bool, string given, called in /in/Z5OMI on line 5 and defined in /in/Z5OMI on line 3
Process exited with code 255.