3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a(bool $a){} a('a');
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Catchable fatal error: Argument 1 passed to a() must be an instance of bool, string given, called in /in/20YDL on line 5 and defined in /in/20YDL on line 3
Process exited with code 255.

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225.77 ms | 402 KiB | 372 Q