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run code in 300+ PHP versions simultaneously
<?php namespace Foo; abstract class Base { function dump() { var_dump(static::class, array_pop(explode("\\", static::class))); } } class Concrete extends Base {} (new Concrete)->dump();
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
Notice: Only variables should be passed by reference in /in/inBZS on line 9 string(12) "Foo\Concrete" string(8) "Concrete"
Output for 7.3.32 - 7.3.33
string(12) "Foo\Concrete" string(8) "Concrete"

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105.54 ms | 1593 KiB | 4 Q