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run code in 300+ PHP versions simultaneously
<?php class A { function b(){return 'A';} } $a = new A; var_dump( new ${!${''}= (new class { function a() { return 'A'; } })->a() } );
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
object(A)#2 (0) { }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/2p8YD on line 12
Process exited with code 255.

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