3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { const function = 'bar'; function showBar(){ echo $this->function; } } (new Foo)->showBar();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined property: Foo::$function in /in/EtLCB on line 8
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined property: Foo::$function in /in/EtLCB on line 8
Output for 7.3.32 - 7.3.33
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected 'function' (T_FUNCTION), expecting identifier (T_STRING) in /in/EtLCB on line 5
Process exited with code 255.
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185.03 ms | 402 KiB | 182 Q