3v4l.org

run code in 500+ PHP versions simultaneously
<?php function greet(string $name) { return "Hello {$name}"; } echo greet('World');
Output for 7.0.0, 8.3.5 - 8.3.18, 8.4.9 - 8.4.18, 8.5.3
Hello World
Output for 5.6.40
Catchable fatal error: Argument 1 passed to greet() must be an instance of string, string given, called in /in/TfdT4 on line 8 and defined in /in/TfdT4 on line 3
Process exited with code 255.
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