3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function a(string $a) { var_dump($a); } a(1); a("a"); a(false);
based on i2Zul
Output for 7.0.0 - 7.2.0
string(1) "1" string(1) "a" string(0) ""
Output for 5.3.19 - 5.6.28
Catchable fatal error: Argument 1 passed to a() must be an instance of string, integer given, called in /in/gesDV on line 8 and defined in /in/gesDV on line 3
Process exited with code 255.